{"title":"Mercury 25 (4-STROKE) (0T409000 THRU 1B344298) Parts \u0026 Diagrams","description":"\u003cp\u003eOEM and aftermarket replacement parts for Mercury 25 (4-STROKE). Scroll down for exploded parts diagrams (31), specifications, and maintenance reference.\u003c\/p\u003e","products":[{"product_id":"fuel-pump-for-mercury-25-60-hp-892874t01","title":"881862T1 Fuel Pump Assembly for Mercury Mariner 25HP 30HP 40HP 45HP 50HP 55HP 60HP | JLM Marine","description":"\u003ch2\u003eFuel Pump Assembly – Fits Mercury Mariner 4-Stroke 25HP 30HP 40HP 45HP 50HP 55HP 60HP Outboard Engines\u003c\/h2\u003e\n\n\u003cp\u003eThis fuel pump assembly is engineered to fit \u003cstrong\u003eMercury Mariner 4-Stroke outboard engines ranging from 25HP to 60HP\u003c\/strong\u003e, providing reliable fuel delivery for consistent engine performance. Designed for 3-cylinder configurations, this assembly ensures proper fuel flow for your marine outboard motor.\u003c\/p\u003e\n\n\u003cp\u003eDirect replacement for OEM part numbers \u003cstrong\u003e881862T1, 881862T07, 892874T, 899106T, and 8M0141844\u003c\/strong\u003e, offering a cost-effective aftermarket solution without sacrificing quality or reliability.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eIncludes fuel pump assembly, 3 cable ties for secure installation\u003c\/li\u003e\n  \u003cli\u003eCompatible with Mercury Mariner 4-Stroke 25HP, 30HP, and 40HP 3-cylinder outboard engines\u003c\/li\u003e\n  \u003cli\u003e\u003cspan style=\"color:red;\"\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e This pump features two hose connectors on one side—verify configuration against your original part\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Cross-Reference\u003c\/h2\u003e\n\n\u003cp\u003eUse this table to confirm equivalent part numbers across OEM and aftermarket brands.\u003c\/p\u003e\n\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n  \u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width:100%; border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003ePart Number\u003c\/th\u003e\n        \u003cth\u003eNotes\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003e881862T1\u003c\/td\u003e\n        \u003ctd\u003ePrimary OEM reference\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003e881862T 1\u003c\/td\u003e\n        \u003ctd\u003eAlternate format\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003e881862T07\u003c\/td\u003e\n        \u003ctd\u003eCross-reference\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003e892874T\u003c\/td\u003e\n        \u003ctd\u003eCross-reference\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003e899106T\u003c\/td\u003e\n        \u003ctd\u003eCross-reference\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003e8M0141844\u003c\/td\u003e\n        \u003ctd\u003eCross-reference\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eCompatible Engine Models\u003c\/h2\u003e\n\n\u003cp\u003eConfirm your engine model\/year in the table below. For Mercury owners, here's a guide to help you identify your engine's serial\/model: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/mercury-outboard-serial-number-guide\" rel=\"nofollow noopener\" target=\"_blank\"\u003eMercury Serial Number Guide\u003c\/a\u003e. You can also review exploded diagrams to verify part numbers: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/diagrams\/mercury-parts-catalog\" rel=\"nofollow noopener\" target=\"_blank\"\u003eMercury Parts Diagrams \u0026amp; Catalog\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n  \u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width:100%; border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eModel\u003c\/th\u003e\n        \u003cth\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eStroke\u003c\/th\u003e\n        \u003cth\u003eNotes\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury Mariner\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke Outboard\u003c\/td\u003e\n        \u003ctd\u003e25HP\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003eOil Fuel Pump\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury Mariner\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke 3 CYL Outboard\u003c\/td\u003e\n        \u003ctd\u003e30HP\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003eOil Fuel Pump\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury Mariner\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke 3 CYL Outboard\u003c\/td\u003e\n        \u003ctd\u003e40HP\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003eOil Fuel Pump\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke Outboard\u003c\/td\u003e\n        \u003ctd\u003e45HP\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003eBoat Engine\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke Outboard\u003c\/td\u003e\n        \u003ctd\u003e50HP\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003eBoat Engine\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke Outboard\u003c\/td\u003e\n        \u003ctd\u003e55HP\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003eBoat Engine\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke Outboard\u003c\/td\u003e\n        \u003ctd\u003e60HP\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003eBoat Engine\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eSpecification\u003c\/th\u003e\n      \u003cth\u003eValue\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOEM Part Number\u003c\/td\u003e\n      \u003ctd\u003e881862T1\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eEngine Type\u003c\/td\u003e\n      \u003ctd\u003e4-Stroke Outboard\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCompatible HP Range\u003c\/td\u003e\n      \u003ctd\u003e25HP, 30HP, 40HP, 45HP, 50HP, 55HP, 60HP\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCylinder Configuration\u003c\/td\u003e\n      \u003ctd\u003e3 Cylinder (applicable models)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eHose Connector Configuration\u003c\/td\u003e\n      \u003ctd\u003eTwo connectors on one side\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\u003cstrong\u003e1 × Fuel Pump Assembly\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3 × Cable Ties\u003c\/strong\u003e (for secure hose connections)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cspan style=\"color:red;\"\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Verify the hose connector configuration—this pump has two hose connectors on one side. Compare with your original part before installation.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSafety First:\u003c\/strong\u003e Disconnect the battery and ensure the fuel system is depressurized before beginning work.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccess the Fuel Pump:\u003c\/strong\u003e Locate the existing fuel pump assembly on your outboard engine. You may need to remove cowling or access panels.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisconnect Fuel Lines:\u003c\/strong\u003e Carefully disconnect the fuel inlet and outlet hoses from the old pump, noting their positions and orientation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRemove Electrical Connections:\u003c\/strong\u003e Unplug any electrical connectors attached to the fuel pump.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUnbolt the Old Pump:\u003c\/strong\u003e Remove the mounting bolts securing the fuel pump to the engine block and carefully extract the old assembly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInspect Mounting Surface:\u003c\/strong\u003e Clean the mounting area and inspect for debris, corrosion, or damage. Replace gaskets if needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePosition the New Pump:\u003c\/strong\u003e Align the new fuel pump assembly with the mounting holes, ensuring the two-hose-connector side matches your configuration.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSecure with Bolts:\u003c\/strong\u003e Install and torque the mounting bolts to manufacturer specifications in a cross-pattern sequence.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReconnect Fuel Lines:\u003c\/strong\u003e Attach the fuel inlet and outlet hoses to the correct ports on the new pump. Use the included cable ties to secure connections.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReconnect Electrical:\u003c\/strong\u003e Plug in all electrical connectors, ensuring a firm and complete connection.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTest for Leaks:\u003c\/strong\u003e Reconnect the battery, prime the fuel system, and inspect all connections for fuel leaks before starting the engine.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRun Test:\u003c\/strong\u003e Start the engine and verify smooth operation, proper fuel delivery, and no abnormal sounds or leaks.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this fuel pump fits my Mercury engine?\u003c\/strong\u003e\u003cbr\u003e\nA: Check your engine's serial number and horsepower rating against the compatibility table above. This pump fits Mercury Mariner 4-stroke engines from 25HP to 60HP, particularly 3-cylinder models. If unsure, provide your engine serial number to verify fitment before purchasing.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What's the difference between this pump and the 21FP005 model?\u003c\/strong\u003e\u003cbr\u003e\nA: While both may appear similar, the key difference is the hose connector configuration. This 881862T1 pump has two hose connectors on one side, whereas other models may have different layouts. Always compare the connector orientation and number with your original part to ensure proper fitment.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my outboard fuel pump?\u003c\/strong\u003e\u003cbr\u003e\nA: Fuel pump replacement intervals vary based on usage and fuel quality. Typical signs that replacement is needed include difficulty starting, engine sputtering or stalling, loss of power at high RPM, or visible fuel leaks. Most manufacturers recommend inspection every 100-200 hours of operation or annually.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What are common signs that my fuel pump is failing?\u003c\/strong\u003e\u003cbr\u003e\nA: Watch for these symptoms: engine struggling to start, inconsistent idling, sudden power loss during operation, engine misfiring or hesitation, whining or buzzing noises from the pump area, or fuel smell\/visible leaks around the pump assembly. If you experience any of these, inspect or replace the fuel pump promptly.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: OEM vs. Aftermarket?\u003c\/strong\u003e\u003cbr\u003e\nA: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How fast do you ship and how much does it cost?\u003c\/strong\u003e\u003cbr\u003e\nA: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is your warranty and return policy?\u003c\/strong\u003e\u003cbr\u003e\nA: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused \u0026amp; in original condition); please see our policy page or reach out for instructions.\u003c\/p\u003e\n\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003eVerify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.\u003c\/li\u003e\n  \u003cli\u003eThis product is an aftermarket replacement part and is not an OEM component.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended to ensure safety and optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose JLM MARINE?\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuality Assured:\u003c\/strong\u003e As a trusted manufacturer for over 20 years, we supply top marine brands globally.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast Global Shipping:\u003c\/strong\u003e Free delivery worldwide in 5–15 days.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect from Manufacturer:\u003c\/strong\u003e Competitive pricing without compromising quality.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JLM Marine","offers":[{"title":"Default Title","offer_id":49444246585657,"sku":"21FP004","price":46.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/JLM21FP004-1_70ea77c1-1f88-4663-afe3-81a90983f693.jpg?v=1755138891"},{"product_id":"lower-unit-non-magnetic-oil-plug-for-mercury-mariner-outboard-and-mercruiser-sterndrive-79953q04","title":"Gearcase Drain Plug – Fits Mercury\/MerCruiser Marine Engines (Replaces 10-79953Q04, 79953Q04)","description":"\n\u003ch2\u003eGearcase Drain Plug – Fits Mercury\/MerCruiser Marine Engines (Replaces 10-79953Q04, 79953Q04)\u003c\/h2\u003e\n\n\u003cp\u003eThis gearcase drain and fill plug is designed for a wide range of Mercury outboard engines, including 30-125 HP EFI models, and various MerCruiser sterndrive units. It serves as a crucial component for draining and refilling gearcase lubricant in the lower unit.\u003c\/p\u003e\n\n\u003cp\u003eThis part is a direct replacement for Mercury part numbers \u003cstrong\u003e10-79953Q04, 79953Q04, 10-79953A2, 10-79953Q2\u003c\/strong\u003e and Sierra part number \u003cstrong\u003e18-2244\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eInstallation Method:\u003c\/strong\u003e Simple threaded screw-in installation.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Constructed from durable brass for corrosion resistance in marine environments.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eComplete Assembly:\u003c\/strong\u003e Includes the required sealing washer\/gasket for a leak-proof fit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Cross-Reference\u003c\/h2\u003e\n\u003cp\u003eUse this table to confirm equivalent part numbers across OEM and aftermarket brands.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n\u003ctable\u003e\n    \u003cthead\u003e\n        \u003ctr\u003e\n            \u003cth\u003eBrand\u003c\/th\u003e\n            \u003cth\u003ePart Number\u003c\/th\u003e\n        \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eMercury\u003c\/td\u003e\n            \u003ctd\u003e10-79953Q04\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eMercury\u003c\/td\u003e\n            \u003ctd\u003e79953Q04\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eMercury\u003c\/td\u003e\n            \u003ctd\u003e10-79953A2\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eMercury\u003c\/td\u003e\n            \u003ctd\u003e10-79953Q2\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eSierra\u003c\/td\u003e\n            \u003ctd\u003e18-2244\u003c\/td\u003e\n        \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eCompatible Engine Models\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below. For Mercury owners, here’s a guide to help you identify your engine’s serial\/model: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/mercury-outboard-serial-number-guide\" rel=\"nofollow noopener\" target=\"_blank\"\u003eMercury Serial Number Guide\u003c\/a\u003e. You can also review exploded diagrams to verify part numbers: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/diagrams\/mercury-parts-catalog\" rel=\"nofollow noopener\" target=\"_blank\"\u003eMercury Parts Diagrams \u0026amp; Catalog\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n\u003ctable\u003e\n    \u003cthead\u003e\n        \u003ctr\u003e\n            \u003cth\u003eBrand\u003c\/th\u003e\n            \u003cth\u003eModel\u003c\/th\u003e\n            \u003cth\u003eRated HP\u003c\/th\u003e\n            \u003cth\u003eNotes\u003c\/th\u003e\n        \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eMercury\u003c\/td\u003e\n            \u003ctd\u003eEFI Outboards\u003c\/td\u003e\n            \u003ctd\u003e30, 40, 75, 80, 90, 115, 125\u003c\/td\u003e\n            \u003ctd\u003e3 Cyl EFI models\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eMercury\/MerCruiser\u003c\/td\u003e\n            \u003ctd\u003eVarious Sterndrive\/Outdrive\u003c\/td\u003e\n            \u003ctd\u003eN\/A\u003c\/td\u003e\n            \u003ctd\u003eUsed in gearcase\/lower unit\u003c\/td\u003e\n        \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n    \u003cthead\u003e\n        \u003ctr\u003e\n            \u003cth\u003eSpecification\u003c\/th\u003e\n            \u003cth\u003eValue\u003c\/th\u003e\n        \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eGearcase Drain\/Fill Plug\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eThreaded\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eConnection\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eLower Unit Gearcase\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eHousing Material\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eMetal (Brass)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eHousing Color\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eSilver\/Metallic\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eFitting Type\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eScrew with Gasket\/Seal\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003e\u003cstrong\u003eOther Technical Attributes\u003c\/strong\u003e\u003c\/td\u003e\n            \u003ctd\u003eIncludes sealing washer\/gasket; used for both draining and filling gear oil in lower units\u003c\/td\u003e\n        \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e1 x Lower Unit Gear Lube Drain w\/Fill Hole Screw (79953Q04)\u003c\/li\u003e\n    \u003cli\u003e1 x \u003cspan style=\"color:red;\"\u003eSeal\/Gasket (included with assembly)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\u003col\u003e\n    \u003cli\u003eLocate the gearcase drain\/fill plugs on the lower unit. There are typically two: an upper (vent) and a lower (drain).\u003c\/li\u003e\n    \u003cli\u003ePosition a suitable drain pan underneath the lower plug.\u003c\/li\u003e\n    \u003cli\u003eRemove the lower drain plug using a large flathead screwdriver, allowing the old gear lube to drain completely.\u003c\/li\u003e\n    \u003cli\u003eRemove the upper vent plug to allow air to enter, which speeds up the draining process.\u003c\/li\u003e\n    \u003cli\u003eInspect the old plugs and magnetic tips for any metal shavings, which can indicate excessive gear wear.\u003c\/li\u003e\n    \u003cli\u003eClean the threads on the gearcase housing before installation.\u003c\/li\u003e\n    \u003cli\u003eInstall the new drain plug with its gasket in the lower hole and tighten it securely, but do not overtighten.\u003c\/li\u003e\n    \u003cli\u003eFill the gearcase with the manufacturer-specified lubricant through the upper vent hole until fluid begins to flow out.\u003c\/li\u003e\n    \u003cli\u003eInstall the new upper vent plug with its gasket and tighten securely.\u003c\/li\u003e\n    \u003cli\u003eClean any excess lubricant from the lower unit housing.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I confirm this fits my engine?\u003c\/strong\u003e\u003cbr\u003e\nFirst, check your existing part for a part number and compare it to those listed in our cross-reference table. Second, review the compatible engine models table. For Mercury engines, use the provided \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/mercury-outboard-serial-number-guide\" rel=\"nofollow noopener\" target=\"_blank\"\u003eMercury Serial Number Guide\u003c\/a\u003e to confirm your model details.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs this used for both draining and filling the gearcase?\u003c\/strong\u003e\u003cbr\u003e\nYes, this screw and seal assembly is used for both the lower drain hole and the upper vent\/fill hole on compatible Mercury and MerCruiser lower units.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the purpose of the included gasket?\u003c\/strong\u003e\u003cbr\u003e\nThe gasket (seal) is critical for preventing gear lube from leaking out and water from entering the gearcase. \u003cstrong\u003eAlways use a new gasket\u003c\/strong\u003e with each installation to ensure a proper seal.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eOEM vs. Aftermarket?\u003c\/strong\u003e\u003cbr\u003e\nThis listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow fast do you ship and how much does it cost?\u003c\/strong\u003e\u003cbr\u003e\nWe offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is your warranty and return policy?\u003c\/strong\u003e\u003cbr\u003e\nThis product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused \u0026amp; in original condition); please see our policy page or reach out for instructions.\u003c\/p\u003e\n\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003eVerify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.\u003c\/li\u003e\n    \u003cli\u003eThis product is an aftermarket replacement part and is not an OEM component.\u003c\/li\u003e\n    \u003cli\u003eProfessional installation is recommended to ensure safety and optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose JLM MARINE?\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eQuality Assured:\u003c\/strong\u003e As a trusted manufacturer for over 20 years, we supply top marine brands globally.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFast Global Shipping:\u003c\/strong\u003e Free delivery worldwide in 5–15 days.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDirect from Manufacturer:\u003c\/strong\u003e Competitive pricing without compromising quality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n","brand":"JLM Marine","offers":[{"title":"Default Title","offer_id":49546754785593,"sku":"22GK033","price":15.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/Lower_Unit_Non-Magnetic_Oil_Plug_for_Mercury_Mariner_Outboard_and_MerCruiser_Sterndrive_______79953Q04_-_JLM_MARINE-8287053.jpg?v=1755052041"},{"product_id":"lower-unit-magnetic-oil-plug-for-mercury-mariner-outboard-and-mercruiser-sterndrive-8m0058389","title":"22-8M0058389 Gearbox Drain \u0026 Fill Screw Kit for Mercury MerCruiser | JLM Marine","description":"\u003ch2\u003eGearbox Drain \u0026amp; Fill Screw Kit for Mercury MerCruiser | JLM Marine\u003c\/h2\u003e\n\n\u003cp\u003eThis \u003cstrong\u003eGearbox Drain \u0026amp; Fill Screw Kit\u003c\/strong\u003e is designed for use with \u003cstrong\u003e3\/8 - 16 drain and fill hole screws\u003c\/strong\u003e on all MerCruiser stern drives, Mercury and Mariner outboards (except the Verado series). Engineered to help prevent gear lube from leaking out and water from seeping into the gear case, this kit plays a critical role in protecting your lower unit from serious damage.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDirect Replacements:\u003c\/strong\u003e 10-79953Q04, 22-8M0058389\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eIncludes \u003cstrong\u003e1 magnetic drain screw\u003c\/strong\u003e, \u003cstrong\u003e1 standard fill screw\u003c\/strong\u003e, and \u003cstrong\u003e2 new design yellow washer seals\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003eHigh-performance design ensures reliable sealing and easy maintenance\u003c\/li\u003e\n  \u003cli\u003eBroad cross-reference compatibility with OEM and aftermarket brands\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Cross-Reference\u003c\/h2\u003e\n\n\u003cp\u003eUse this table to confirm equivalent part numbers across OEM and aftermarket brands.\u003c\/p\u003e\n\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eBrand\u003c\/th\u003e\n      \u003cth\u003ePart Number\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMercury MerCruiser\u003c\/td\u003e\n      \u003ctd\u003e10-79953Q04\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMercury MerCruiser\u003c\/td\u003e\n      \u003ctd\u003e22-8M0058389\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMercury MerCruiser\u003c\/td\u003e\n      \u003ctd\u003e10-79953Q2\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMercury MerCruiser\u003c\/td\u003e\n      \u003ctd\u003e10-79953A2\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMercury MerCruiser\u003c\/td\u003e\n      \u003ctd\u003e22420\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSierra\u003c\/td\u003e\n      \u003ctd\u003e18-2244\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eChrysler\/Force\/US Marine\u003c\/td\u003e\n      \u003ctd\u003e22-67892\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eChrysler\/Force\/US Marine\u003c\/td\u003e\n      \u003ctd\u003e22-67892A1\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eGLM\u003c\/td\u003e\n      \u003ctd\u003e21731\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMallory\u003c\/td\u003e\n      \u003ctd\u003e9-72651\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMerCruiser Stern Drive\u003c\/td\u003e\n      \u003ctd\u003e10-14834\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMerCruiser Stern Drive\u003c\/td\u003e\n      \u003ctd\u003e10-14834A1\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMerCruiser Stern Drive\u003c\/td\u003e\n      \u003ctd\u003e22-67892\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMerCruiser Stern Drive\u003c\/td\u003e\n      \u003ctd\u003e22-67892A06\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMerCruiser Stern Drive\u003c\/td\u003e\n      \u003ctd\u003e22-67892A1\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMerCruiser Stern Drive\u003c\/td\u003e\n      \u003ctd\u003e22-8M0058389\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMercury Marine\u003c\/td\u003e\n      \u003ctd\u003e10-14834A1\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMercury Marine\u003c\/td\u003e\n      \u003ctd\u003e22-67892\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMercury Marine\u003c\/td\u003e\n      \u003ctd\u003e22-67892A05\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMercury Marine\u003c\/td\u003e\n      \u003ctd\u003e22-67892A06\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMercury Marine\u003c\/td\u003e\n      \u003ctd\u003e22-67892A1\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eCompatible Engine Models\u003c\/h2\u003e\n\n\u003cp\u003eConfirm your engine model\/year in the table below. For Mercury owners, here's a guide to help you identify your engine's serial\/model: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/mercury-outboard-serial-number-guide\" rel=\"nofollow noopener\" target=\"_blank\"\u003eMercury Serial Number Guide\u003c\/a\u003e. You can also review exploded diagrams to verify part numbers: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/diagrams\/mercury-parts-catalog\" rel=\"nofollow noopener\" target=\"_blank\"\u003eMercury Parts Diagrams \u0026amp; Catalog\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003eThis kit is compatible with \u003cstrong\u003eall MerCruiser stern drives\u003c\/strong\u003e, \u003cstrong\u003eMercury and Mariner outboards\u003c\/strong\u003e (except the Verado series) that use \u003cstrong\u003e3\/8 - 16 drain and fill hole screws\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eSpecification\u003c\/th\u003e\n      \u003cth\u003eValue\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOEM Number\u003c\/td\u003e\n      \u003ctd\u003e22-8M0058389\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eThread Size\u003c\/td\u003e\n      \u003ctd\u003e3\/8 - 16\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eApplication\u003c\/td\u003e\n      \u003ctd\u003eAll MerCruiser stern drives, Mercury and Mariner outboards (except Verado series)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eKit Type\u003c\/td\u003e\n      \u003ctd\u003eGearbox Drain \u0026amp; Fill Screw Kit\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\u003cspan style=\"color:red;\"\u003e1 × Magnetic Drain Screw\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan style=\"color:red;\"\u003e1 × Standard Fill Screw\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan style=\"color:red;\"\u003e2 × New Design Yellow Washer Seals\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\n\u003col\u003e\n  \u003cli\u003ePosition the boat so the lower unit is accessible and the engine has cooled completely. Gather the new drain screw, fill screw, and yellow washer seals from the kit.\u003c\/li\u003e\n  \u003cli\u003ePlace a suitable drain pan beneath the lower unit to catch gear lube. Carefully remove the existing drain screw and allow all old lube to fully drain.\u003c\/li\u003e\n  \u003cli\u003eOnce drained, clean the drain hole threads and inspect for debris or damage. Install the new yellow washer seal onto the new magnetic drain screw.\u003c\/li\u003e\n  \u003cli\u003eThread the magnetic drain screw (with washer) into the drain hole by hand first to avoid cross-threading. Tighten to manufacturer's torque specification using a socket or wrench.\u003c\/li\u003e\n  \u003cli\u003eLocate the fill hole and remove the existing fill screw. Install the new yellow washer seal onto the new standard fill screw.\u003c\/li\u003e\n  \u003cli\u003eUsing a suitable gear lube pump, slowly refill the lower unit with the correct type and quantity of gear oil until it begins to flow from the fill hole. Thread the fill screw (with washer) in by hand, then tighten to specification.\u003c\/li\u003e\n  \u003cli\u003eWipe away any spilled lube and inspect both screws to confirm they are seated properly and not leaking. Dispose of old lube and washers according to local regulations.\u003c\/li\u003e\n  \u003cli\u003eRun the engine briefly in a test tank or on the water and re-check both screws for any signs of leakage. Top off gear lube if necessary.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow do I confirm this kit fits my lower unit?\u003c\/strong\u003e\u003cbr\u003e\nVerify that your MerCruiser stern drive, Mercury, or Mariner outboard (excluding Verado) uses \u003cstrong\u003e3\/8 - 16 drain and fill screws\u003c\/strong\u003e. Cross-reference your existing part numbers with the table above or consult your engine's parts diagram.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the magnetic drain screw and the standard fill screw?\u003c\/strong\u003e\u003cbr\u003e\nThe \u003cstrong\u003emagnetic drain screw\u003c\/strong\u003e attracts and captures metal particles that circulate in the gear lube, helping to identify wear or damage early. The \u003cstrong\u003estandard fill screw\u003c\/strong\u003e seals the upper fill hole and does not have a magnet.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow often should I replace the washer seals?\u003c\/strong\u003e\u003cbr\u003e\nReplace the yellow washer seals every time you remove the drain or fill screws during gear oil changes. Reusing old washers can lead to leaks and water intrusion.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy is gear lube leaking from the drain screw after installation?\u003c\/strong\u003e\u003cbr\u003e\nEnsure the yellow washer seal is properly seated on the screw and that the screw is tightened to the correct torque specification. If leakage persists, inspect the drain hole threads for damage or debris.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan I use this kit on a Verado outboard?\u003c\/strong\u003e\u003cbr\u003e\nNo, this kit is \u003cstrong\u003enot compatible\u003c\/strong\u003e with Mercury Verado series outboards. Verado models use a different drain and fill screw design.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eOEM vs. Aftermarket?\u003c\/strong\u003e\u003cbr\u003e\nThis listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow fast do you ship and how much does it cost?\u003c\/strong\u003e\u003cbr\u003e\nWe offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is your warranty and return policy?\u003c\/strong\u003e\u003cbr\u003e\nThis product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused \u0026amp; in original condition); please see our policy page or reach out for instructions.\u003c\/p\u003e\n\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003eVerify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.\u003c\/li\u003e\n  \u003cli\u003eThis product is an aftermarket replacement part and is not an OEM component.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended to ensure safety and optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose JLM MARINE?\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuality Assured:\u003c\/strong\u003e As a trusted manufacturer for over 20 years, we supply top marine brands globally.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast Global Shipping:\u003c\/strong\u003e Free delivery worldwide in 5–15 days.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect from Manufacturer:\u003c\/strong\u003e Competitive pricing without compromising quality.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JLM Marine","offers":[{"title":"Default Title","offer_id":49546784014649,"sku":"23GK493","price":18.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/Lower_Unit_Magnetic_Oil_Plug_for_Mercury_Mariner_Outboard_and_MerCruiser_Sterndrive___8M0058389_-_JLM_MARINE-8287063.jpg?v=1755400185"},{"product_id":"drain-screw-gasket-for-mercury-mercruiser-and-johnson-evinrude-lower-unit-12-19183","title":"Drain Screw Gasket for Mercury MerCruiser and Johnson Evinrude Lower Unit 12-19183","description":"\u003ch2\u003eDrain Screw Gasket – Fits Mercury MerCruiser \u0026amp; Johnson Evinrude Outboards\u003c\/h2\u003e\n\u003cp\u003eThis rubber-coated stainless steel washer forms a tear-resistant seal for the \u003cstrong\u003e3\/8-16 drain\/fill screw holes\u003c\/strong\u003e in outboard and stern drive gearcases. It is designed for use on a wide range of Mercury, MerCruiser, Johnson, and Evinrude marine engines, providing a reliable, leak-free fit without requiring compression.\u003c\/p\u003e\n\u003cp\u003eThis part directly replaces Mercury 12-19183Q02, 12-19183K02, 12-191833, 191832, 19183, 19183B, 20260B, 20260, F8186, F50556, F8077; Johnson Evinrude 307552, 300434; Sierra 18-2244, 18-2945, 18-29451-9; GLM 31170; Mallory 9-60101, 9-60102; and SEI Marine 98-102-09.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTear-Resistant Seal:\u003c\/strong\u003e Creates a durable seal for 3\/8-16 drain\/fill screw holes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Material:\u003c\/strong\u003e Made from high-quality, rubber-coated stainless steel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern Design:\u003c\/strong\u003e The newer yellow design seals effectively without needing to be crushed like older fiber gaskets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePart Number Cross-Reference\u003c\/h2\u003e\n\u003cp\u003eUse this table to confirm equivalent part numbers across OEM and aftermarket brands.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury \/ MerCruiser\u003c\/td\u003e\n\u003ctd\u003e12-19183Q02, 12-19183K02, 12-191833, 191832, 19183, 19183B, 20260B, 20260, F8186, F50556, F8077\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJohnson \/ Evinrude\u003c\/td\u003e\n\u003ctd\u003e307552, 300434\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-2244, 18-2945, 18-29451-9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGLM\u003c\/td\u003e\n\u003ctd\u003e31170\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMallory\u003c\/td\u003e\n\u003ctd\u003e9-60101, 9-60102\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSEI Marine\u003c\/td\u003e\n\u003ctd\u003e98-102-09\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eCompatible Engine Models\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below. For Mercury owners, here’s a guide to help you identify your engine’s serial\/model: \u003ca rel=\"nofollow noopener\" href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/mercury-outboard-serial-number-guide\" target=\"_blank\"\u003eMercury Serial Number Guide\u003c\/a\u003e. You can also review exploded diagrams to verify part numbers: \u003ca rel=\"nofollow noopener\" href=\"https:\/\/jlmmarine.com\/blogs\/diagrams\/mercury-parts-catalog\" target=\"_blank\"\u003eMercury Parts Diagrams \u0026amp; Catalog\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below. For Johnson\/Evinrude owners, here’s a guide to help you identify your engine’s serial\/model: \u003ca rel=\"nofollow noopener\" href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/johnson-serial-number-guide\" target=\"_blank\"\u003eJohnson\/Evinrude Serial Number Guide\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\u003ch3\u003eMercury\/MerCruiser\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eOEM Part No.\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eOutboard Motors\u003c\/td\u003e\n\u003ctd\u003eAll*\u003c\/td\u003e\n\u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003e12-19183\u003c\/td\u003e\n\u003ctd\u003e*Except Japanese origin models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eOutboard Lower Units\u003c\/td\u003e\n\u003ctd\u003eAll*\u003c\/td\u003e\n\u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003e12-19183\u003c\/td\u003e\n\u003ctd\u003e*For 3\/8-16 drain\/fill screw holes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003eAll Stern Drives\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003e12-19183\u003c\/td\u003e\n\u003ctd\u003eFor 3\/8-16 drain\/fill screw holes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e4.3L, 5.0L, 5.7L, 6.2L\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003e12-19183\u003c\/td\u003e\n\u003ctd\u003eConfirmed fit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMerCruiser\u003c\/td\u003e\n\u003ctd\u003e350, 377, 383 MPI\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003eN\/A\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003e12-19183\u003c\/td\u003e\n\u003ctd\u003eConfirmed fit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3\u003eJohnson\/Evinrude\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eOEM Part No.\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eOutboard Lower Units\u003c\/td\u003e\n\u003ctd\u003eAll*\u003c\/td\u003e\n\u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n\u003ctd\u003e307552\u003c\/td\u003e\n\u003ctd\u003e*For 3\/8-16 drain\/fill screw holes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eMultiple Models\u003c\/td\u003e\n\u003ctd\u003e18-75 HP\u003c\/td\u003e\n\u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n\u003ctd\u003e307552\u003c\/td\u003e\n\u003ctd\u003eUsed with compatible drain screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3\u003eChrysler\/Force\/US Marine\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto;\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eOEM Part No.\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eChrysler\/Force\/US Marine\u003c\/td\u003e\n\u003ctd\u003eOutboard Lower Units\u003c\/td\u003e\n\u003ctd\u003eAll*\u003c\/td\u003e\n\u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003eF50556, F8077, F8186\u003c\/td\u003e\n\u003ctd\u003e*For 3\/8-16 drain\/fill screw holes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eDrain\/Fill Screw Gasket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eUse with 3\/8-16 drain\/fill screw holes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003eRubber-coated stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Color\u003c\/td\u003e\n\u003ctd\u003eYellow (newer design) or Blue (older design)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThread Size\u003c\/td\u003e\n\u003ctd\u003e3\/8-16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOther Technical Attributes\u003c\/td\u003e\n\u003ctd\u003eDesigned to form tear-resistant seal without requiring compression\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e12 x Drain Screw Gasket (\u003cspan style=\"color: red;\"\u003e12-19183Q02\u003c\/span\u003e)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eLocate the drain and fill screws on the lower unit gearcase. They are typically large, flathead screws.\u003c\/li\u003e\n\u003cli\u003ePosition a suitable drain pan under the lower screw (drain screw).\u003c\/li\u003e\n\u003cli\u003eRemove the top screw (vent screw) first, then remove the bottom drain screw to allow the oil to drain completely.\u003c\/li\u003e\n\u003cli\u003eCarefully remove the old gasket from each screw. Clean the screw threads and the sealing surface on the gearcase.\u003c\/li\u003e\n\u003cli\u003eSlide the new gasket onto each screw.\u003c\/li\u003e\n\u003cli\u003eReinstall the bottom drain screw first and tighten until snug. \u003cstrong\u003eDo not overtighten.\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eFill the gearcase with the recommended lubricant through the bottom hole until it flows out of the top vent hole.\u003c\/li\u003e\n\u003cli\u003eReinstall the top vent screw and tighten securely. Wipe away any excess oil and inspect for leaks.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know if this gasket will fit my engine?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This gasket is designed for most Mercury, MerCruiser, Johnson, and Evinrude models with \u003cstrong\u003e3\/8-16 drain\/fill screw holes\u003c\/strong\u003e. The best way to confirm fitment is to check your OEM part number against the cross-reference list provided on this page. Also, verify your engine model is listed in the compatibility tables.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between the yellow gasket and the older blue ones?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The \u003cstrong\u003eyellow gasket is a newer design\u003c\/strong\u003e made of a rubber-coated stainless steel that seals effectively without being crushed. The older style blue, orange, or black gaskets were a fiber design that required compression to create a seal and were typically single-use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my drain screw gaskets?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: It is highly recommended to \u003cstrong\u003ereplace the drain and fill screw gaskets every time you change your gearcase oil\u003c\/strong\u003e. This ensures a proper, leak-free seal and protects your engine's lower unit from water intrusion.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: OEM vs. Aftermarket?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How fast do you ship and how much does it cost?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is your warranty and return policy?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused \u0026amp; in original condition); please see our policy page or reach out for instructions.\u003c\/p\u003e\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVerify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.\u003c\/li\u003e\n\u003cli\u003eThis product is an aftermarket replacement part and is not an OEM component.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended to ensure safety and optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose JLM MARINE?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality Assured:\u003c\/strong\u003e As a trusted manufacturer for over 20 years, we supply top marine brands globally.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Global Shipping:\u003c\/strong\u003e Free delivery worldwide in 5–15 days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect from Manufacturer:\u003c\/strong\u003e Competitive pricing without compromising quality.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JLM Marine","offers":[{"title":"Default Title","offer_id":49568093995321,"sku":"2151","price":12.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/Drain_Screw_Gasket_for_Mercury_MerCruiser_and_Johnson_Evinrude_Lower_Unit________12-19183_-_JLM_MARINE-8287485.jpg?v=1755742140"},{"product_id":"water-pump-impeller-for-mercury-15-50-hp-47-8508910-0755466","title":"47-85089-3 Water Pump Impeller for Mercury Mariner Chrysler Force | JLM Marine","description":"\u003ch2\u003e47-85089-3 Water Pump Impeller for Mercury Mariner Chrysler Force | JLM Marine\u003c\/h2\u003e\n\n\u003cp\u003eThis high-quality water pump impeller is engineered for \u003cstrong\u003eMercury, Mariner, Chrysler, and Force outboard engines\u003c\/strong\u003e ranging from \u003cstrong\u003e18 HP to 75 HP\u003c\/strong\u003e, covering both 2-stroke and 4-stroke models. Designed to maintain optimal cooling performance, this replacement impeller ensures your engine operates efficiently and reliably in demanding marine environments.\u003c\/p\u003e\n\n\u003cp\u003eThis aftermarket impeller directly replaces OEM part numbers \u003cstrong\u003e47-85089-3\u003c\/strong\u003e and \u003cstrong\u003e47-85089-10\u003c\/strong\u003e, along with multiple cross-referenced numbers from Mercury Marine, Chrysler\/Force, and aftermarket suppliers. It provides a cost-effective solution without compromising on quality or fitment.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage includes:\u003c\/strong\u003e 1 × Outboard Impeller\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple 4-stroke models including 8 HP, 9.9 HP, 13.5 HP, 15 HP, 25 HP, 30 HP, 40 HP, 45 HP, and 50 HP engines\u003c\/li\u003e\n\u003cli\u003eFits select Chrysler\/Force models (25–75 HP) and Mercury\/Mariner models (18–50 HP) with specified serial number ranges\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Cross-Reference\u003c\/h2\u003e\n\n\u003cp\u003eUse this table to confirm equivalent part numbers across OEM and aftermarket brands.\u003c\/p\u003e\n\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury Marine (OEM)\u003c\/td\u003e\n\u003ctd\u003e47-85089-3, 47-85089-10, 47-850893, 47-85089 10, 47-8508920, 47-8M0027792, 47-850891, 47-85089, 47-8M0024502\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChrysler\/Force\/US Marine\u003c\/td\u003e\n\u003ctd\u003e47-850893\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGLM\u003c\/td\u003e\n\u003ctd\u003e89640\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-3057\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAftermarket\u003c\/td\u003e\n\u003ctd\u003e9-45303, 9-45303-10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eCompatible Engine Models\u003c\/h2\u003e\n\n\u003cp\u003eConfirm your engine model\/year in the table below. For Mercury owners, here's a guide to help you identify your engine's serial\/model: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/mercury-outboard-serial-number-guide\" rel=\"nofollow noopener\" target=\"_blank\"\u003eMercury Serial Number Guide\u003c\/a\u003e. You can also review exploded diagrams to verify part numbers: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/diagrams\/mercury-parts-catalog\" rel=\"nofollow noopener\" target=\"_blank\"\u003eMercury Parts Diagrams \u0026amp; Catalog\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eSerial Number Range\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eChrysler\/Force\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e25 HP\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eE127700-E344999\u003c\/td\u003e\n\u003ctd\u003e1996-98\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChrysler\/Force\u003c\/td\u003e\n\u003ctd\u003e40\/50\u003c\/td\u003e\n\u003ctd\u003e40\/50 HP\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eE093700-E369299\u003c\/td\u003e\n\u003ctd\u003e1995-99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChrysler\/Force\u003c\/td\u003e\n\u003ctd\u003e75\u003c\/td\u003e\n\u003ctd\u003e75 HP\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eE345000-up\u003c\/td\u003e\n\u003ctd\u003e1999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e18\u003c\/td\u003e\n\u003ctd\u003e18 HP\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e5837437-up\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003ctd\u003e20 HP\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e6443973-up\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e25, 25XD, 25 Sea Pro\u003c\/td\u003e\n\u003ctd\u003e25 HP\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e5705532-up\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e25 (3cyl.)\u003c\/td\u003e\n\u003ctd\u003e25 HP\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eE268781-up\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e30 Jet\u003c\/td\u003e\n\u003ctd\u003e30 HP\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eG590000-up\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e30 (2cyl)\u003c\/td\u003e\n\u003ctd\u003e30 HP\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eG053314-up\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e40 (2 cyl)\u003c\/td\u003e\n\u003ctd\u003e40 HP\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eG053314-up\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e40 (3cyl)\u003c\/td\u003e\n\u003ctd\u003e40 HP\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eG531301-up\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e40 (4-stroke, std)\u003c\/td\u003e\n\u003ctd\u003e40 HP\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003eG231123-G760299\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e40 (4-stroke) 2:1 ratio\u003c\/td\u003e\n\u003ctd\u003e40 HP\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003eG760300-T408999\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e45 (4-stroke, std) Bodensee\u003c\/td\u003e\n\u003ctd\u003e45 HP\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003eG231123-up\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e50 (3cyl)\u003c\/td\u003e\n\u003ctd\u003e50 HP\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eG590000-up\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e50 (4-stroke, std)\u003c\/td\u003e\n\u003ctd\u003e50 HP\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003eG231123-up\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e8 (Bodensee) (Intern)\u003c\/td\u003e\n\u003ctd\u003e8 HP\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e9.9 (323cc)\u003c\/td\u003e\n\u003ctd\u003e9.9 HP\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e13.5 (International)\u003c\/td\u003e\n\u003ctd\u003e13.5 HP\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e15 HP\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e25 HP\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e30 HP\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e30 EFI (3Cyl)\u003c\/td\u003e\n\u003ctd\u003e30 HP\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e40 HP\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e40 Carb (3Cyl)\u003c\/td\u003e\n\u003ctd\u003e40 HP\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e40 EFI (3Cyl)\u003c\/td\u003e\n\u003ctd\u003e40 HP\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e16 \/ 73 \/ 12,6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e40 ITALY\u003c\/td\u003e\n\u003ctd\u003e40 HP\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e45 Bodensee\u003c\/td\u003e\n\u003ctd\u003e45 HP\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e50 \u0026amp; BIGFOOT\u003c\/td\u003e\n\u003ctd\u003e50 HP\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Type\u003c\/td\u003e\n\u003ctd\u003eWater Pump Impeller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM Reference\u003c\/td\u003e\n\u003ctd\u003e47-85089-3, 47-85089-10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Brands\u003c\/td\u003e\n\u003ctd\u003eMercury, Mariner, Chrysler, Force\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Range\u003c\/td\u003e\n\u003ctd\u003e18 HP – 75 HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine Type\u003c\/td\u003e\n\u003ctd\u003e2-Stroke \u0026amp; 4-Stroke Outboard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color:red;\"\u003e\u003cstrong\u003e1 × Outboard Impeller\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisconnect the fuel line\u003c\/strong\u003e and remove the engine cowling to access the lower unit. Ensure the engine is completely cool before beginning work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove the water pump housing\u003c\/strong\u003e by unscrewing the mounting bolts and carefully lifting it away from the pump base. Take note of gasket orientation and condition.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtract the old impeller\u003c\/strong\u003e from the housing using needle-nose pliers or a pick tool. Inspect the housing for debris, corrosion, or scoring that may damage the new impeller.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLubricate the new impeller blades\u003c\/strong\u003e with a water-resistant grease or soapy water to prevent tearing during installation. Ensure lubricant reaches all blade surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert the impeller into the housing\u003c\/strong\u003e with blades oriented in the correct rotational direction (usually indicated by arrows). Gently rotate the driveshaft while pressing the impeller into place.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplace the pump housing gasket\u003c\/strong\u003e and align the housing back onto the lower unit. Torque mounting bolts to manufacturer specifications in a cross-pattern.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReinstall the engine cowling\u003c\/strong\u003e and reconnect the fuel line. Start the engine and verify strong water flow from the cooling outlet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRun the engine briefly\u003c\/strong\u003e in a test tank or on muffs and monitor for consistent cooling discharge. Shut down immediately if no water appears within 15–20 seconds.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow do I confirm this impeller fits my specific engine model?\u003c\/strong\u003e\u003cbr\u003e\nCross-reference your engine's serial number and horsepower with the compatibility table above. You can also verify your model year and exact part number using the Mercury Serial Number Guide or exploded parts diagrams linked in the Compatible Engine Models section.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow often should I replace my water pump impeller?\u003c\/strong\u003e\u003cbr\u003e\nMost manufacturers recommend replacing the impeller every 2–3 years or 200–300 hours of operation, whichever comes first. If you frequently run in sandy, debris-laden, or shallow water, consider annual replacement to prevent overheating damage.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat are the signs that my impeller is failing?\u003c\/strong\u003e\u003cbr\u003e\nCommon symptoms include weak or no water discharge from the cooling outlet, engine overheating warnings, steam from the cowling, or visible damage (cracked, missing, or melted blades) upon inspection. Address impeller failure immediately to avoid severe engine damage.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan I install this impeller myself, or do I need a mechanic?\u003c\/strong\u003e\u003cbr\u003e\nIf you have basic mechanical skills and the right tools, impeller replacement is straightforward. However, proper torque specs, gasket alignment, and blade orientation are critical—professional installation is recommended if you're unfamiliar with lower-unit service.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat's the difference between this aftermarket impeller and the OEM part?\u003c\/strong\u003e\u003cbr\u003e\nThis listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow fast do you ship and how much does it cost?\u003c\/strong\u003e\u003cbr\u003e\nWe offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is your warranty and return policy?\u003c\/strong\u003e\u003cbr\u003e\nThis product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused \u0026amp; in original condition); please see our policy page or reach out for instructions.\u003c\/p\u003e\n\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eVerify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.\u003c\/li\u003e\n\u003cli\u003eThis product is an aftermarket replacement part and is not an OEM component.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended to ensure safety and optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose JLM MARINE?\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality Assured:\u003c\/strong\u003e As a trusted manufacturer for over 20 years, we supply top marine brands globally.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Global Shipping:\u003c\/strong\u003e Free delivery worldwide in 5–15 days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect from Manufacturer:\u003c\/strong\u003e Competitive pricing without compromising quality.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JLM Marine","offers":[{"title":"Default Title","offer_id":50488460181817,"sku":"17IM007","price":10.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/Water_Pump_Impeller_for_Mercury_15-50_HP_47-8508910_-_0755466_-_JLM_MARINE-8289726.jpg?v=1755252005"},{"product_id":"thermostat-for-honda-8-255hp-mercury-15-90hp-yamaha-9-9-70hp-3852215","title":"Thermostat (60°C\/140°F) – Fits Honda, Mercury, Yamaha 8-255 HP (Replaces 19300-ZY3-023, 19300-ZW9-003)","description":"\u003ch2\u003eThermostat (60°C\/140°F) – Fits Honda, Mercury, \u0026amp; Yamaha 4-Stroke Outboards\u003c\/h2\u003e\n\u003cp\u003eThis aftermarket thermostat is a high-quality replacement for a wide range of Honda, Mercury, and Yamaha 4-stroke outboard engines. It is engineered to meet or exceed OEM specifications, ensuring reliable engine temperature regulation for optimal performance and longevity. This part is designed for Honda 8-225 HP (2001-Present), Mercury 15-90 HP, and Yamaha 9.9-70 HP (1987-Present) models.\u003c\/p\u003e\n\u003cp\u003eThis component is a direct replacement for numerous Honda, Mercury, Yamaha, and Sierra part numbers, making it a versatile and reliable choice for maintenance and repair.\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e Opens at a factory-set \u003cstrong\u003e60°C (140°F)\u003c\/strong\u003e.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eInstallation Type:\u003c\/strong\u003e Direct replacement for the original OEM thermostat.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Built with an OEM-grade brass and rubber composite for durability and corrosion resistance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Cross-Reference\u003c\/h2\u003e\n\u003cp\u003eUse this table to confirm equivalent part numbers across OEM and aftermarket brands.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n    \u003ctable\u003e\n        \u003cthead\u003e\n            \u003ctr\u003e\n                \u003cth\u003eBrand\u003c\/th\u003e\n                \u003cth\u003ePart Number\u003c\/th\u003e\n            \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eHonda\u003c\/td\u003e\n                \u003ctd\u003e19300-ZY3-023, 19300-ZW9-003\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eYamaha\u003c\/td\u003e\n                \u003ctd\u003e6G8-12411-00-00, 6G8-12411-01-00, 6G8-12411-02-00, 6G8-12411-03-00, 66M-12411-00-00, 66M-12411-01-00\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eMercury\u003c\/td\u003e\n                \u003ctd\u003e825212, 825212001, 825212T02, 855676, 855676003, 855676A1\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eSierra\u003c\/td\u003e\n                \u003ctd\u003e18-3541\u003c\/td\u003e\n            \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n    \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eCompatible Engine Models\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\u003cp\u003eFor Mercury owners, here’s a guide to help you identify your engine’s serial\/model: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/mercury-outboard-serial-number-guide\" rel=\"nofollow noopener\" target=\"_blank\"\u003eMercury Serial Number Guide\u003c\/a\u003e. You can also review exploded diagrams to verify part numbers: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/diagrams\/mercury-parts-catalog\" rel=\"nofollow noopener\" target=\"_blank\"\u003eMercury Parts Diagrams \u0026amp; Catalog\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eFor Yamaha owners, here’s a guide to help you identify your engine’s serial\/model: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/yamaha-outboard-serial-number-guide-2025\" rel=\"nofollow noopener\" target=\"_blank\"\u003eYamaha Serial Number Guide\u003c\/a\u003e. You can also review exploded diagrams to verify part numbers: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/yamaha-outboard-parts-diagrams-catalog\" rel=\"nofollow noopener\" target=\"_blank\"\u003eYamaha Parts Diagrams \u0026amp; Catalog\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eHonda\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n    \u003ctable\u003e\n        \u003cthead\u003e\n            \u003ctr\u003e\n                \u003cth\u003eBrand\u003c\/th\u003e\n                \u003cth\u003eModel\u003c\/th\u003e\n                \u003cth\u003eRated HP\u003c\/th\u003e\n                \u003cth\u003eStroke\u003c\/th\u003e\n                \u003cth\u003eYears\u003c\/th\u003e\n                \u003cth\u003eOEM Part No.\u003c\/th\u003e\n            \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eHonda\u003c\/td\u003e\n                \u003ctd\u003eBF8\u003c\/td\u003e\n                \u003ctd\u003e8\u003c\/td\u003e\n                \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                \u003ctd\u003e2001+\u003c\/td\u003e\n                \u003ctd\u003e19300-ZW9-003\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eHonda\u003c\/td\u003e\n                \u003ctd\u003eBF9.9\u003c\/td\u003e\n                \u003ctd\u003e9.9\u003c\/td\u003e\n                \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                \u003ctd\u003e2001+\u003c\/td\u003e\n                \u003ctd\u003e19300-ZW9-003\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eHonda\u003c\/td\u003e\n                \u003ctd\u003eBF15\u003c\/td\u003e\n                \u003ctd\u003e15\u003c\/td\u003e\n                \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                \u003ctd\u003e2001+\u003c\/td\u003e\n                \u003ctd\u003e19300-ZW9-003\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eHonda\u003c\/td\u003e\n                \u003ctd\u003eBF20\u003c\/td\u003e\n                \u003ctd\u003e20\u003c\/td\u003e\n                \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                \u003ctd\u003e2001+\u003c\/td\u003e\n                \u003ctd\u003e19300-ZW9-003\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eHonda\u003c\/td\u003e\n                \u003ctd\u003eBF25\u003c\/td\u003e\n                \u003ctd\u003e25\u003c\/td\u003e\n                \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                \u003ctd\u003e2001+\u003c\/td\u003e\n                \u003ctd\u003e19300-ZW9-003\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eHonda\u003c\/td\u003e\n                \u003ctd\u003eBF30\u003c\/td\u003e\n                \u003ctd\u003e30\u003c\/td\u003e\n                \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                \u003ctd\u003e2001+\u003c\/td\u003e\n                \u003ctd\u003e19300-ZW9-003\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eHonda\u003c\/td\u003e\n                \u003ctd\u003eBF40\u003c\/td\u003e\n                \u003ctd\u003e40\u003c\/td\u003e\n                \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                \u003ctd\u003e2001+\u003c\/td\u003e\n                \u003ctd\u003e19300-ZW9-003\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eHonda\u003c\/td\u003e\n                \u003ctd\u003eBF50\u003c\/td\u003e\n                \u003ctd\u003e50\u003c\/td\u003e\n                \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                \u003ctd\u003e2001+\u003c\/td\u003e\n                \u003ctd\u003e19300-ZW9-003\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eHonda\u003c\/td\u003e\n                \u003ctd\u003eBF60\u003c\/td\u003e\n                \u003ctd\u003e60\u003c\/td\u003e\n                \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                \u003ctd\u003e2001+\u003c\/td\u003e\n                \u003ctd\u003e19300-ZW9-003\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eHonda\u003c\/td\u003e\n                \u003ctd\u003eBF75\u003c\/td\u003e\n                \u003ctd\u003e75\u003c\/td\u003e\n                \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                \u003ctd\u003e2001+\u003c\/td\u003e\n                \u003ctd\u003e19300-ZY3-023\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eHonda\u003c\/td\u003e\n                \u003ctd\u003eBF80\u003c\/td\u003e\n                \u003ctd\u003e80\u003c\/td\u003e\n                \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                \u003ctd\u003e2001+\u003c\/td\u003e\n                \u003ctd\u003e19300-ZY3-023\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eHonda\u003c\/td\u003e\n                \u003ctd\u003eBF90\u003c\/td\u003e\n                \u003ctd\u003e90\u003c\/td\u003e\n                \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                \u003ctd\u003e2001+\u003c\/td\u003e\n                \u003ctd\u003e19300-ZY3-023\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eHonda\u003c\/td\u003e\n                \u003ctd\u003eBF100\u003c\/td\u003e\n                \u003ctd\u003e100\u003c\/td\u003e\n                \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                \u003ctd\u003e2001+\u003c\/td\u003e\n                \u003ctd\u003e19300-ZY3-023\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eHonda\u003c\/td\u003e\n                \u003ctd\u003eBF115\u003c\/td\u003e\n                \u003ctd\u003e115\u003c\/td\u003e\n                \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                \u003ctd\u003e2001+\u003c\/td\u003e\n                \u003ctd\u003e19300-ZY3-023\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eHonda\u003c\/td\u003e\n                \u003ctd\u003eBF130\u003c\/td\u003e\n                \u003ctd\u003e130\u003c\/td\u003e\n                \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                \u003ctd\u003e2001+\u003c\/td\u003e\n                \u003ctd\u003e19300-ZY3-023\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eHonda\u003c\/td\u003e\n                \u003ctd\u003eBF135\u003c\/td\u003e\n                \u003ctd\u003e135\u003c\/td\u003e\n                \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                \u003ctd\u003e2001+\u003c\/td\u003e\n                \u003ctd\u003e19300-ZY3-023\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eHonda\u003c\/td\u003e\n                \u003ctd\u003eBF150\u003c\/td\u003e\n                \u003ctd\u003e150\u003c\/td\u003e\n                \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                \u003ctd\u003e2001+\u003c\/td\u003e\n                \u003ctd\u003e19300-ZY3-023\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eHonda\u003c\/td\u003e\n                \u003ctd\u003eBF175\u003c\/td\u003e\n                \u003ctd\u003e175\u003c\/td\u003e\n                \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                \u003ctd\u003e2001+\u003c\/td\u003e\n                \u003ctd\u003e19300-ZY3-023\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eHonda\u003c\/td\u003e\n                \u003ctd\u003eBF200\u003c\/td\u003e\n                \u003ctd\u003e200\u003c\/td\u003e\n                \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                \u003ctd\u003e2001+\u003c\/td\u003e\n                \u003ctd\u003e19300-ZY3-023\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd\u003eHonda\u003c\/td\u003e\n                \u003ctd\u003eBF225\u003c\/td\u003e\n                \u003ctd\u003e225\u003c\/td\u003e\n                \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                \u003ctd\u003e2001+\u003c\/td\u003e\n                \u003ctd\u003e19300-ZY3-023\u003c\/td\u003e\n            \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n    \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eMercury\u003c\/h3\u003e\n\u003ctable\u003e\n    \u003cthead\u003e\n        \u003ctr\u003e\n            \u003cth\u003eBrand\u003c\/th\u003e\n            \u003cth\u003eModel\u003c\/th\u003e\n            \u003cth\u003eRated HP\u003c\/th\u003e\n            \u003cth\u003eStroke\u003c\/th\u003e\n            \u003cth\u003eOEM Part No.\u003c\/th\u003e\n        \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eMercury\u003c\/td\u003e\n            \u003ctd\u003eVarious Models\u003c\/td\u003e\n            \u003ctd\u003e15\u003c\/td\u003e\n            \u003ctd\u003e4-Stroke\u003c\/td\u003e\n            \u003ctd\u003e825212, 855676\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eMercury\u003c\/td\u003e\n            \u003ctd\u003eVarious Models\u003c\/td\u003e\n            \u003ctd\u003e75\u003c\/td\u003e\n            \u003ctd\u003e4-Stroke\u003c\/td\u003e\n            \u003ctd\u003e825212, 855676\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eMercury\u003c\/td\u003e\n            \u003ctd\u003eVarious Models\u003c\/td\u003e\n            \u003ctd\u003e90\u003c\/td\u003e\n            \u003ctd\u003e4-Stroke\u003c\/td\u003e\n            \u003ctd\u003e825212, 855676\u003c\/td\u003e\n        \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eYamaha\u003c\/h3\u003e\n\u003ctable\u003e\n    \u003cthead\u003e\n        \u003ctr\u003e\n            \u003cth\u003eBrand\u003c\/th\u003e\n            \u003cth\u003eModel\u003c\/th\u003e\n            \u003cth\u003eRated HP\u003c\/th\u003e\n            \u003cth\u003eStroke\u003c\/th\u003e\n            \u003cth\u003eYears\u003c\/th\u003e\n            \u003cth\u003eOEM Part No.\u003c\/th\u003e\n            \u003cth\u003eNotes\u003c\/th\u003e\n        \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eYamaha\u003c\/td\u003e\n            \u003ctd\u003eVarious Models\u003c\/td\u003e\n            \u003ctd\u003e9.9\u003c\/td\u003e\n            \u003ctd\u003e4-Stroke\u003c\/td\u003e\n            \u003ctd\u003e1987+\u003c\/td\u003e\n            \u003ctd\u003e6G8-12411-00-00\u003c\/td\u003e\n            \u003ctd\u003eMultiple supersessions\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eYamaha\u003c\/td\u003e\n            \u003ctd\u003eVarious Models\u003c\/td\u003e\n            \u003ctd\u003e15\u003c\/td\u003e\n            \u003ctd\u003e4-Stroke\u003c\/td\u003e\n            \u003ctd\u003e1987+\u003c\/td\u003e\n            \u003ctd\u003e6G8-12411-00-00\u003c\/td\u003e\n            \u003ctd\u003eMultiple supersessions\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eYamaha\u003c\/td\u003e\n            \u003ctd\u003eVarious Models\u003c\/td\u003e\n            \u003ctd\u003e20\u003c\/td\u003e\n            \u003ctd\u003e4-Stroke\u003c\/td\u003e\n            \u003ctd\u003e1987+\u003c\/td\u003e\n            \u003ctd\u003e6G8-12411-00-00\u003c\/td\u003e\n            \u003ctd\u003eMultiple supersessions\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eYamaha\u003c\/td\u003e\n            \u003ctd\u003eVarious Models\u003c\/td\u003e\n            \u003ctd\u003e25\u003c\/td\u003e\n            \u003ctd\u003e4-Stroke\u003c\/td\u003e\n            \u003ctd\u003e1987+\u003c\/td\u003e\n            \u003ctd\u003e6G8-12411-00-00\u003c\/td\u003e\n            \u003ctd\u003eMultiple supersessions\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eYamaha\u003c\/td\u003e\n            \u003ctd\u003eVarious Models\u003c\/td\u003e\n            \u003ctd\u003e30\u003c\/td\u003e\n            \u003ctd\u003e4-Stroke\u003c\/td\u003e\n            \u003ctd\u003e1987+\u003c\/td\u003e\n            \u003ctd\u003e6G8-12411-00-00\u003c\/td\u003e\n            \u003ctd\u003eMultiple supersessions\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eYamaha\u003c\/td\u003e\n            \u003ctd\u003eVarious Models\u003c\/td\u003e\n            \u003ctd\u003e40\u003c\/td\u003e\n            \u003ctd\u003e4-Stroke\u003c\/td\u003e\n            \u003ctd\u003e1987+\u003c\/td\u003e\n            \u003ctd\u003e6G8-12411-00-00\u003c\/td\u003e\n            \u003ctd\u003eMultiple supersessions\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eYamaha\u003c\/td\u003e\n            \u003ctd\u003eVarious Models\u003c\/td\u003e\n            \u003ctd\u003e50\u003c\/td\u003e\n            \u003ctd\u003e4-Stroke\u003c\/td\u003e\n            \u003ctd\u003e1987+\u003c\/td\u003e\n            \u003ctd\u003e6G8-12411-00-00\u003c\/td\u003e\n            \u003ctd\u003eMultiple supersessions\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eYamaha\u003c\/td\u003e\n            \u003ctd\u003eVarious Models\u003c\/td\u003e\n            \u003ctd\u003e60\u003c\/td\u003e\n            \u003ctd\u003e4-Stroke\u003c\/td\u003e\n            \u003ctd\u003e1987+\u003c\/td\u003e\n            \u003ctd\u003e6G8-12411-00-00\u003c\/td\u003e\n            \u003ctd\u003eMultiple supersessions\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eYamaha\u003c\/td\u003e\n            \u003ctd\u003eVarious Models\u003c\/td\u003e\n            \u003ctd\u003e70\u003c\/td\u003e\n            \u003ctd\u003e4-Stroke\u003c\/td\u003e\n            \u003ctd\u003e1987+\u003c\/td\u003e\n            \u003ctd\u003e6G8-12411-00-00\u003c\/td\u003e\n            \u003ctd\u003eMultiple supersessions\u003c\/td\u003e\n        \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n    \u003cthead\u003e\n        \u003ctr\u003e\n            \u003cth\u003eSpecification\u003c\/th\u003e\n            \u003cth\u003eValue\u003c\/th\u003e\n        \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eProduct Type\u003c\/td\u003e\n            \u003ctd\u003eMarine Engine Thermostat\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eInstallation\u003c\/td\u003e\n            \u003ctd\u003eDirect OEM Replacement\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eTemperature Rating\u003c\/td\u003e\n            \u003ctd\u003e\u003cstrong\u003e60°C (140°F) Opening Temperature\u003c\/strong\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eHousing Material\u003c\/td\u003e\n            \u003ctd\u003eOEM-grade brass and rubber composite\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eOperating Temperature\u003c\/td\u003e\n            \u003ctd\u003e60°C (140°F) Opening Temperature\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd\u003eOther Technical Attributes\u003c\/td\u003e\n            \u003ctd\u003eAftermarket replacement with OEM-equivalent construction\u003c\/td\u003e\n        \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cp\u003e1 x Thermostat Assembly (\u003cspan style=\"color:red;\"\u003e60°C\/140°F rating\u003c\/span\u003e)\u003c\/p\u003e\n\n\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\u003col\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSafety First:\u003c\/strong\u003e Ensure the engine is completely cool and disconnected from the power source before beginning.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLocate Thermostat Housing:\u003c\/strong\u003e Find the thermostat housing on the engine block, typically near the top of the cylinder head where the main coolant hose connects.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDrain Coolant:\u003c\/strong\u003e Place a suitable container underneath and drain enough coolant to bring the level below the thermostat housing. This prevents spills.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRemove Housing Cover:\u003c\/strong\u003e Loosen and remove the bolts holding the thermostat housing cover in place. Take note of their placement for easier reassembly.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eExtract Old Thermostat:\u003c\/strong\u003e Carefully lift out the old thermostat and its gasket or seal. Thoroughly clean any old gasket material or corrosion from both the housing and cover surfaces.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eInstall New Thermostat:\u003c\/strong\u003e Position the new thermostat assembly in the housing, ensuring it is correctly oriented. The integrated seal should sit flush.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRe-secure Cover:\u003c\/strong\u003e Replace the housing cover and tighten the bolts evenly in a crisscross pattern to the manufacturer's specified torque.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRefill Coolant:\u003c\/strong\u003e Top off the cooling system with the manufacturer-recommended coolant.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCheck for Leaks:\u003c\/strong\u003e Start the engine and let it warm up, carefully inspecting the thermostat housing for any signs of coolant leaks.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I confirm this thermostat fits my specific engine model?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCheck the \"Compatible Engine Models\" and \"Part Number Cross-Reference\" tables on this page. It is crucial to match your engine's brand, model, HP, and year with the provided data. For Mercury and Yamaha engines, we’ve included links to serial number guides and parts catalogs to help you verify the correct OEM part number.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the common signs of a failing thermostat?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCommon signs include the engine overheating, the engine taking too long to reach its normal operating temperature, or erratic temperature gauge readings. A thermostat stuck open will prevent the engine from warming up properly, while one stuck closed will cause it to overheat.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this thermostat require a separate gasket?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis thermostat is a complete assembly that includes an integrated rubber seal, just like the OEM version. No separate gasket is typically required. However, you should always inspect the mating surfaces of the housing for flatness and damage before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOEM vs. Aftermarket?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow fast do you ship and how much does it cost?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is your warranty and return policy?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused \u0026amp; in original condition); please see our policy page or reach out for instructions.\u003c\/p\u003e\n\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003eVerify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.\u003c\/li\u003e\n    \u003cli\u003eThis product is an aftermarket replacement part and is not an OEM component.\u003c\/li\u003e\n    \u003cli\u003eProfessional installation is recommended to ensure safety and optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose JLM MARINE?\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eQuality Assured:\u003c\/strong\u003e As a trusted manufacturer for over 20 years, we supply top marine brands globally.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFast Global Shipping:\u003c\/strong\u003e Free delivery worldwide in 5–15 days.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDirect from Manufacturer:\u003c\/strong\u003e Competitive pricing without compromising quality.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JLM Marine","offers":[{"title":"Default Title","offer_id":50567725121849,"sku":"20TH001","price":21.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/Thermostat_for_Honda_8-255HP_Mercury_15-90HP_Yamaha_99-70HP_3852215_-_JLM_MARINE-8290872.jpg?v=1755251687"},{"product_id":"boot-protector-822158-for-mercury-25-50hp-outboard-fits-mercury-25-50hp-4-stroke-replaces-822158","title":"Boot Protector 822158 for Mercury 25-50HP Outboard – Fits Mercury 25-50HP 4-Stroke (Replaces 822158)","description":"\u003csection\u003e\n\u003ch2\u003eAftermarket Boot Protector 822158 for Mercury 25-50HP Outboard\u003c\/h2\u003e\n\u003cp\u003eThisshift boot protector is designed for a precise fit on Mercury 25-50HP outboard engines using 4-stroke technology, including 2-cylinder and 3-cylinder configurations manufactured from 1995-2025. It serves as a direct replacement for several OEM andpart numbers, ensuring broad compatibility.\u003c\/p\u003e\n\u003cp\u003eConstructed from a durable, marine-grade rubber compound, this boot is specifically engineered to resist saltwater, UV degradation, and oil exposure. The press-fit installation provides a secure seal to protect the shift rod mechanism from water ingress and environmental contaminants.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Replacement:\u003c\/strong\u003e Replaces Mercury 822158, SEI Marine 98-263-23, and GLM 89083.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Material:\u003c\/strong\u003e Made from a saltwater, UV, and oil-resistant rubber compound.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple Installation:\u003c\/strong\u003e Designed for a direct press-fit installation without special tools.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Cross-Reference\u003c\/h2\u003e\n\u003cp\u003eUse this table to confirm equivalent part numbers across OEM andbrands.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e822158\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSEI Marine\u003c\/td\u003e\n\u003ctd\u003e98-263-23\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGLM\u003c\/td\u003e\n\u003ctd\u003e89083\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eCompatible Engine Models\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below. For Mercury owners, here’s a guide to help you identify your engine’s serial\/model: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/mercury-outboard-serial-number-guide\" rel=\"nofollow noopener\" target=\"_blank\"\u003eMercury Serial Number Guide\u003c\/a\u003e. You can also review exploded diagrams to verify part numbers: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/diagrams\/mercury-parts-catalog\" rel=\"nofollow noopener\" target=\"_blank\"\u003eMercury Parts Diagrams \u0026amp; Catalog\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eOEM Part No.\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e25 HP\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1997-2025\u003c\/td\u003e\n\u003ctd\u003e822158\u003c\/td\u003e\n\u003ctd\u003eAll serial ranges\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e30 HP (2 CYL)\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1995-2025\u003c\/td\u003e\n\u003ctd\u003e822158\u003c\/td\u003e\n\u003ctd\u003eStandard and EFI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e30 HP (3 CYL)\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1997-2025\u003c\/td\u003e\n\u003ctd\u003e822158\u003c\/td\u003e\n\u003ctd\u003eCarb, EFI, and JET\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e40 HP (2 CYL)\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1995-2025\u003c\/td\u003e\n\u003ctd\u003e822158\u003c\/td\u003e\n\u003ctd\u003eStandard configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e40 HP (3 CYL)\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1997-2025\u003c\/td\u003e\n\u003ctd\u003e822158\u003c\/td\u003e\n\u003ctd\u003eCarb and EFI versions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e40 HP Italy\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2000-2015\u003c\/td\u003e\n\u003ctd\u003e822158\u003c\/td\u003e\n\u003ctd\u003eEuropean market\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e45 HP Bodensee\u003c\/td\u003e\n\u003ctd\u003e45\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2000-2015\u003c\/td\u003e\n\u003ctd\u003e822158\u003c\/td\u003e\n\u003ctd\u003eItaly manufactured\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e50 HP (3 CYL)\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1995-2025\u003c\/td\u003e\n\u003ctd\u003e822158\u003c\/td\u003e\n\u003ctd\u003eStandard configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e50 HP\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1997-2025\u003c\/td\u003e\n\u003ctd\u003e822158\u003c\/td\u003e\n\u003ctd\u003eStandard and Bigfoot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e50 HP Bigfoot\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1997-2025\u003c\/td\u003e\n\u003ctd\u003e822158\u003c\/td\u003e\n\u003ctd\u003eExtended lower unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eBoot Protector \/ Shift Boot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eDirect OEM replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel Type\u003c\/td\u003e\n\u003ctd\u003eCompatible with all fuel types\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection\u003c\/td\u003e\n\u003ctd\u003ePress-fit installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003eMarine-grade rubber compound\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Color\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e2.50\" L x 1.75\" W x 1.25\" H (63.5mm x 44.45mm x 31.75mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.03 lbs (13.6g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitting Type\u003c\/td\u003e\n\u003ctd\u003eShift rod cap boot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking Pressure\u003c\/td\u003e\n\u003ctd\u003eStandard marine operating pressure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBurst Pressure\u003c\/td\u003e\n\u003ctd\u003eExceeds OEM specifications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°F to 200°F (-40°C to 93°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e1 Year manufacturer warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOther Technical Attributes\u003c\/td\u003e\n\u003ctd\u003eSaltwater resistant, UV stable, oil resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Shift Boot (822158)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eEnsure the engine is turned off and disconnected from the power source.\u003c\/li\u003e\n\u003cli\u003eLocate the shift rod and the existing boot that needs replacement.\u003c\/li\u003e\n\u003cli\u003eCarefully disconnect any linkages attached to the shift mechanism to gain access.\u003c\/li\u003e\n\u003cli\u003eRemove the old, deteriorated boot. You may need to cut it off if it's stuck.\u003c\/li\u003e\n\u003cli\u003eThoroughly clean the shift rod and the surrounding housing area to remove any dirt or old adhesive.\u003c\/li\u003e\n\u003cli\u003eGently slide the new shift boot over the rod and into position.\u003c\/li\u003e\n\u003cli\u003eEnsure the boot is fully seated on the housing to create a watertight seal. A press-fit should be sufficient.\u003c\/li\u003e\n\u003cli\u003eReconnect the shift linkages and test the gear shifting to confirm smooth operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I confirm this fits my engine?\u003c\/strong\u003e\u003cbr\u003e\nThis boot is specifically for Mercury 25-50HP 4-Stroke and select 2-Stroke models from 1995-2025. Verify your engine model is listed in the \"Compatible Engine Models\" table. Cross-referencing your old part number with \u003cstrong\u003eMercury 822158\u003c\/strong\u003e is the most reliable way to ensure a correct fit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the signs that my current shift boot needs replacement?\u003c\/strong\u003e\u003cbr\u003e\nCommon signs of failure include visible cracks, splits, brittleness, or perishing of the rubber. A compromised boot can allow water to leak into the lower unit, potentially causing significant damage to internal components.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs any special maintenance required for this boot?\u003c\/strong\u003e\u003cbr\u003e\nNo special maintenance is needed. However, it is good practice to periodically inspect the boot for any signs of wear or damage, especially during routine engine maintenance or at the start of the boating season.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOEM vs. Aftermarket?\u003c\/strong\u003e\u003cbr\u003e\nThis listing is anreplacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow fast do you ship and how much does it cost?\u003c\/strong\u003e\u003cbr\u003e\nWe offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is your warranty and return policy?\u003c\/strong\u003e\u003cbr\u003e\nThis product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused \u0026amp; in original condition); please see our policy page or reach out for instructions.\u003c\/p\u003e\n\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVerify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.\u003c\/li\u003e\n\u003cli\u003eThis product is anreplacement part and is not an OEM component.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended to ensure safety and optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose JLM MARINE?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality Assured:\u003c\/strong\u003e As a trusted manufacturer for over 20 years, we supply top marine brands globally.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Global Shipping:\u003c\/strong\u003e Free delivery worldwide in 5–15 days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect from Manufacturer:\u003c\/strong\u003e Competitive pricing without compromising quality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"JLM Marine","offers":[{"title":"Default Title","offer_id":51015587103033,"sku":"23BS362","price":15.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/23BS362_fe73e243-1883-4544-9f82-c205d467431f.jpg?v=1754990469"},{"product_id":"inline-fuel-filter-fits-mercury-mariner-25-90hp-4-stroke-outboards-replaces-35-877565t1-35-877565t","title":"Inline Fuel Filter – Fits Mercury \u0026 Mariner 25-90HP 4-Stroke Outboards (Replaces 35-877565T1, 35-877565T)","description":"\n\u003ch2\u003eInline Fuel Filter – Fits Mercury \u0026amp; Mariner 25-90HP 4-Stroke Outboards\u003c\/h2\u003e\n\u003cp\u003eThis Sierra 18-7714 inline fuel filter is designed for a wide range of Mercury and Mariner 4-stroke outboard engines, from 25 to 90 HP, manufactured from 1999 and newer. It ensures clean fuel delivery, protecting your engine from contaminants.\u003c\/p\u003e\n\u003cp\u003eThis part is a direct replacement for Mercury Marine part numbers \u003cstrong\u003e35-877565T1\u003c\/strong\u003e and \u003cstrong\u003e35-877565T\u003c\/strong\u003e, Sierra \u003cstrong\u003e18-7714\u003c\/strong\u003e, and Rareelectrical \u003cstrong\u003e600-276\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Method:\u003c\/strong\u003e Installs inline with your existing fuel line.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel Compatibility:\u003c\/strong\u003e Approved for use with gasoline, including modern ethanol-blended fuels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality Construction:\u003c\/strong\u003e Features sonically sealed end caps to prevent leaks and OEM-matched filter media for reliable performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Cross-Reference\u003c\/h2\u003e\n\u003cp\u003eUse this table to confirm equivalent part numbers across OEM and aftermarket brands.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury Marine\u003c\/td\u003e\n\u003ctd\u003e35-877565T1 \/ 35-877565T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-7714\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRareelectrical\u003c\/td\u003e\n\u003ctd\u003e600-276\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eCompatible Engine Models\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below. For Mercury owners, here’s a guide to help you identify your engine’s serial\/model: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/mercury-outboard-serial-number-guide\" rel=\"nofollow noopener\" target=\"_blank\"\u003eMercury Serial Number Guide\u003c\/a\u003e. You can also review exploded diagrams to verify part numbers: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/diagrams\/mercury-parts-catalog\" rel=\"nofollow noopener\" target=\"_blank\"\u003eMercury Parts Diagrams \u0026amp; Catalog\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eOEM Part No.\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999-2006\u003c\/td\u003e\n\u003ctd\u003e35-877565T1\/35-877565T\u003c\/td\u003e\n\u003ctd\u003e2 Cylinder, Carbureted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999-2006\u003c\/td\u003e\n\u003ctd\u003e35-877565T1\/35-877565T\u003c\/td\u003e\n\u003ctd\u003eSerial 0G760300-0T408999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999-2006\u003c\/td\u003e\n\u003ctd\u003e35-877565T1\/35-877565T\u003c\/td\u003e\n\u003ctd\u003eSerial 0P017000-0P153499\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999-2006\u003c\/td\u003e\n\u003ctd\u003e35-877565T1\/35-877565T\u003c\/td\u003e\n\u003ctd\u003eSerial 0P153500-0P388282\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999-2006\u003c\/td\u003e\n\u003ctd\u003e35-877565T1\/35-877565T\u003c\/td\u003e\n\u003ctd\u003eSerial 0T409000-1B344298\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999-2021\u003c\/td\u003e\n\u003ctd\u003e35-877565T1\/35-877565T\u003c\/td\u003e\n\u003ctd\u003e3 Cylinder, Carbureted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999-2021\u003c\/td\u003e\n\u003ctd\u003e35-877565T1\/35-877565T\u003c\/td\u003e\n\u003ctd\u003eSerial 0G760300-0T408999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999-2021\u003c\/td\u003e\n\u003ctd\u003e35-877565T1\/35-877565T\u003c\/td\u003e\n\u003ctd\u003eSerial 0P017000-0P153499\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999-2021\u003c\/td\u003e\n\u003ctd\u003e35-877565T1\/35-877565T\u003c\/td\u003e\n\u003ctd\u003eSerial 0P153500-0P400999 (Carb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999-2021\u003c\/td\u003e\n\u003ctd\u003e35-877565T1\/35-877565T\u003c\/td\u003e\n\u003ctd\u003eSerial 0T409000-1B226999 (Carb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999-2002\u003c\/td\u003e\n\u003ctd\u003e35-877565T1\/35-877565T\u003c\/td\u003e\n\u003ctd\u003e3 \u0026amp; 4 Cylinder versions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999-2002\u003c\/td\u003e\n\u003ctd\u003e35-877565T1\/35-877565T\u003c\/td\u003e\n\u003ctd\u003eSerial 0G760300-0T408999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999-2002\u003c\/td\u003e\n\u003ctd\u003e35-877565T1\/35-877565T\u003c\/td\u003e\n\u003ctd\u003eSerial 0P017000-0P153499\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999-2002\u003c\/td\u003e\n\u003ctd\u003e35-877565T1\/35-877565T\u003c\/td\u003e\n\u003ctd\u003eSerial 0P094500-0P206999 (4 Cyl)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999-2002\u003c\/td\u003e\n\u003ctd\u003e35-877565T1\/35-877565T\u003c\/td\u003e\n\u003ctd\u003eSerial 0T178500-0T598999 (4 Cyl)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999-2002\u003c\/td\u003e\n\u003ctd\u003e35-877565T1\/35-877565T\u003c\/td\u003e\n\u003ctd\u003eSerial 0P153500-0P400999 (Carb, 3 Cyl)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999-2002\u003c\/td\u003e\n\u003ctd\u003e35-877565T1\/35-877565T\u003c\/td\u003e\n\u003ctd\u003eSerial 0T409000-1B226999 (Carb, 3 Cyl)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999-2002\u003c\/td\u003e\n\u003ctd\u003e35-877565T1\/35-877565T\u003c\/td\u003e\n\u003ctd\u003eSerial 0P401000 \u0026amp; Up (Carb, 3 Cyl)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999-2002\u003c\/td\u003e\n\u003ctd\u003e35-877565T1\/35-877565T\u003c\/td\u003e\n\u003ctd\u003eSerial 1B227000-1B344306 (Carb, 3 Cyl)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999-2002\u003c\/td\u003e\n\u003ctd\u003e35-877565T1\/35-877565T\u003c\/td\u003e\n\u003ctd\u003eSerial 1C000001-1C018825 (Carb, 3 Cyl)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999-2002\u003c\/td\u003e\n\u003ctd\u003e35-877565T1\/35-877565T\u003c\/td\u003e\n\u003ctd\u003eSerial 1C018826 \u0026amp; Up (Carb, 3 Cyl)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2001-2002\u003c\/td\u003e\n\u003ctd\u003e35-877565T1\/35-877565T\u003c\/td\u003e\n\u003ctd\u003e4 Cylinder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2001-2002\u003c\/td\u003e\n\u003ctd\u003e35-877565T1\/35-877565T\u003c\/td\u003e\n\u003ctd\u003eSerial 0P094500-0P206999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2001-2002\u003c\/td\u003e\n\u003ctd\u003e35-877565T1\/35-877565T\u003c\/td\u003e\n\u003ctd\u003eSerial 0T178500-0T598999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e60\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2001-2002\u003c\/td\u003e\n\u003ctd\u003e35-877565T1\/35-877565T\u003c\/td\u003e\n\u003ctd\u003e4 Cylinder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e60\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2001-2002\u003c\/td\u003e\n\u003ctd\u003e35-877565T1\/35-877565T\u003c\/td\u003e\n\u003ctd\u003eSerial 0P094500-0P206999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e60\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2001-2002\u003c\/td\u003e\n\u003ctd\u003e35-877565T1\/35-877565T\u003c\/td\u003e\n\u003ctd\u003eSerial 0T178500-0T598999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e75\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2000-2004\u003c\/td\u003e\n\u003ctd\u003e35-877565T1\/35-877565T\u003c\/td\u003e\n\u003ctd\u003e4 Cylinder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e75\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2000-2004\u003c\/td\u003e\n\u003ctd\u003e35-877565T1\/35-877565T\u003c\/td\u003e\n\u003ctd\u003eSerial 0G960500-0T800999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e75\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2000-2004\u003c\/td\u003e\n\u003ctd\u003e35-877565T1\/35-877565T\u003c\/td\u003e\n\u003ctd\u003eSerial 0G960500-0T800999 (Bodensee)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e90\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2000-2004\u003c\/td\u003e\n\u003ctd\u003e35-877565T1\/35-877565T\u003c\/td\u003e\n\u003ctd\u003e4 Cylinder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e90\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2000-2004\u003c\/td\u003e\n\u003ctd\u003e35-877565T1\/35-877565T\u003c\/td\u003e\n\u003ctd\u003eSerial 0G960500-0T800999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eOEM Part No.\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMariner\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e25-90\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999 \u0026amp; newer\u003c\/td\u003e\n\u003ctd\u003e35-877565T1\/35-877565T\u003c\/td\u003e\n\u003ctd\u003eApplicable for all models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInline Fuel Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFuel Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGasoline (including ethanol-based fuels)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.04 lbs (0.018 kg) item weight, 0.2 lbs (0.09 kg) shipping weight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLimited Lifetime (Sierra brand)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOther Technical Attributes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSonically sealed end caps, OEM matched filter media, approved for ethanol-based fuels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color:red;\"\u003e1 x Inline Fuel Filter (35-877565T1\/35-877565T)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eExplosion Diagram\u003c\/h2\u003e\n\u003cimg src=\"placeholder-explosion-diagram.png\" alt=\"Explosion Diagram\" loading=\"lazy\"\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eShut off the fuel supply using the fuel valve and safely disconnect the engine's battery.\u003c\/li\u003e\n\u003cli\u003ePlace a rag or container under the existing filter to catch any fuel spillage.\u003c\/li\u003e\n\u003cli\u003eCarefully loosen the clamps and disconnect the fuel hoses from both ends of the old filter. Note the direction of the fuel flow arrow.\u003c\/li\u003e\n\u003cli\u003eRemove the old filter from its mounting bracket or position.\u003c\/li\u003e\n\u003cli\u003eInstall the new filter, ensuring the arrow correctly points in the direction of fuel flow (towards the engine).\u003c\/li\u003e\n\u003cli\u003eSecurely attach the fuel hoses to the new filter and tighten the clamps.\u003c\/li\u003e\n\u003cli\u003eMount the new filter back into its original position if applicable.\u003c\/li\u003e\n\u003cli\u003eTurn the fuel supply back on and check thoroughly for any leaks around the connections.\u003c\/li\u003e\n\u003cli\u003eReconnect the battery. Prime the fuel system according to your engine's manual before starting.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I confirm this filter fits my Mercury or Mariner engine?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Check your engine's model, horsepower, and year against the \"Compatible Engine Models\" table. For Mercury engines, verifying the serial number range is the most accurate way to ensure a match. If you are unsure, use the guide linked above or contact us with your engine details.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my inline fuel filter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: For optimal engine health, it is recommended to replace your fuel filter annually or every 100 hours of operation, whichever comes first. Refer to your engine's service manual for specific maintenance intervals, especially if operating in harsh marine environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the signs of a clogged or failing fuel filter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Common symptoms include the engine sputtering, losing power, stalling at idle, or difficulty starting. A dirty or clogged filter restricts fuel flow, starving the engine of the fuel it needs to run properly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: OEM vs. Aftermarket?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How fast do you ship and how much does it cost?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is your warranty and return policy?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused \u0026amp; in original condition); please see our policy page or reach out for instructions.\u003c\/p\u003e\n\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVerify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.\u003c\/li\u003e\n\u003cli\u003eThis product is an aftermarket replacement part and is not an OEM component.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended to ensure safety and optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose JLM MARINE?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality Assured:\u003c\/strong\u003e As a trusted manufacturer for over 20 years, we supply top marine brands globally.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Global Shipping:\u003c\/strong\u003e Free delivery worldwide in 5–15 days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect from Manufacturer:\u003c\/strong\u003e Competitive pricing without compromising quality.\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"JLM Marine","offers":[{"title":"Default Title","offer_id":51083504386361,"sku":"23FF051","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/23FF051_1.jpg?v=1755257494"}],"url":"https:\/\/jlmmarine.com\/collections\/mercury-25-4-stroke-sn-0-409000.oembed","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}