{"title":"Mercury 110 (1470349 THRU 1865778) Parts \u0026 Diagrams","description":"\u003cp\u003eOEM and aftermarket replacement parts for Mercury 110. Scroll down for exploded parts diagrams (20), specifications, and maintenance reference.\u003c\/p\u003e","products":[{"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":"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-3-9-6-9-8-hp-47-22748","title":"47-22748 Outboard Rubber Impeller with Key\/Pin for Mercury Mariner 2-S 3.5 3.9 5 6HP | JLM Marine","description":"\u003ch2\u003e47-22748 Outboard Rubber Impeller with Key\/Pin for Mercury Mariner 2-Stroke 3.5 3.9 5 6HP | JLM Marine\u003c\/h2\u003e\n\n\u003cp\u003eThis high-quality aftermarket rubber impeller is engineered to fit \u003cstrong\u003eMercury Mariner 2-stroke outboard engines rated at 3.5, 3.9, 5, and 6 HP\u003c\/strong\u003e. Designed to deliver reliable water pump performance, this impeller ensures efficient cooling to protect your engine from overheating and extends service life.\u003c\/p\u003e\n\n\u003cp\u003eA direct replacement for OEM part number \u003cstrong\u003e47-22748\u003c\/strong\u003e, this impeller meets or exceeds factory specifications for durability and fit. It is an essential maintenance component for keeping your outboard running smoothly season after season.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eComplete with key\/pin for straightforward installation\u003c\/li\u003e\n\u003cli\u003ePrecision-molded rubber construction for consistent water flow\u003c\/li\u003e\n\u003cli\u003eCompatible with Mercury Mariner 2-stroke small outboards\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\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 Mariner\u003c\/td\u003e\n\u003ctd\u003e47-22748\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\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\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\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury Mariner\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e3.5, 3.9, 5, 6\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\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\u003eOutboard Rubber Impeller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eRubber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncludes\u003c\/td\u003e\n\u003ctd\u003eKey\/Pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM Part Number\u003c\/td\u003e\n\u003ctd\u003e47-22748\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eWater Pump\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 Rubber Impeller\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color:red;\"\u003e\u003cstrong\u003e1 × Key\/Pin\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 ensure the engine is off and cool before beginning work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove the lower unit\u003c\/strong\u003e from the outboard motor by loosening the mounting bolts. Refer to your engine manual for specific procedures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocate and remove the water pump housing cover\u003c\/strong\u003e by unscrewing the fasteners. Keep all hardware organized for reassembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtract the old impeller\u003c\/strong\u003e carefully, noting the direction of the blade curvature for proper installation of the new part.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean the pump housing thoroughly\u003c\/strong\u003e to remove any debris, old gasket material, or buildup that could impair the new impeller's performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLubricate the new impeller blades\u003c\/strong\u003e with a water-resistant marine grease to ease installation and prevent damage during initial startup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert the key\/pin\u003c\/strong\u003e into the impeller hub slot to ensure proper alignment with the drive shaft.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall the new impeller\u003c\/strong\u003e into the housing, making sure the blades curve in the correct rotational direction and the key\/pin is properly seated.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReinstall the water pump housing cover\u003c\/strong\u003e and gasket, tightening fasteners evenly to the manufacturer's torque specifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReattach the lower unit\u003c\/strong\u003e to the motor, ensuring all mounting bolts are secure and properly torqued.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReconnect the fuel line\u003c\/strong\u003e and run the engine briefly in a test tank or on-water to confirm proper water flow from the tell-tale indicator.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInspect for leaks\u003c\/strong\u003e around the pump housing and verify that cooling water is circulating correctly before returning to normal operation.\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 Mercury Mariner outboard?\u003c\/strong\u003e\u003cbr\u003e\nCheck the compatible engine models table above and cross-reference with your engine's rated horsepower and stroke type. You can also verify using your original OEM part number (47-22748) or consult the Mercury serial number guide and parts diagrams linked in the compatibility section.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow often should I replace the water pump impeller?\u003c\/strong\u003e\u003cbr\u003e\nMarine experts recommend replacing the impeller every 2–3 years or every 200–300 hours of operation, whichever comes first. If you notice reduced water flow from the tell-tale, overheating, or visible blade damage, replace it immediately regardless of service interval.\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 tell-tale indicator, engine overheating, steam from the powerhead, or reduced performance. Inspect the impeller annually and replace if blades are cracked, torn, or show significant wear.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy is the key\/pin included with this impeller?\u003c\/strong\u003e\u003cbr\u003e\nThe key (or pin) ensures the impeller is properly indexed and driven by the water pump shaft. It prevents slippage and guarantees correct rotational alignment. Always install the key\/pin as shown in your service manual to avoid pump failure.\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 proper tools, you can replace the impeller following the installation steps provided. However, professional installation is recommended to ensure correct torque settings, gasket sealing, and alignment, especially if you are unfamiliar with lower unit service.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between OEM and aftermarket impellers?\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":49884454551865,"sku":"17IM002K","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/Water_Pump_Impeller_for_Mercury_39_6_98_HP_47-22748_-_JLM_MARINE-8288494.jpg?v=1754991673"},{"product_id":"water-pump-impeller-for-mercury-3-9-9-8-hp-47-22748","title":"47-22748 Water Pump Impeller for Mercury 2-Stroke 3.5HP 3.9HP 5HP 6HP | JLM Marine","description":"\u003ch2\u003eWater Pump Impeller 47-22748 – Fits Mercury 2-Stroke 3.5HP 3.9HP 5HP 6HP Outboard Motors\u003c\/h2\u003e\n\n\u003cp\u003eThis high-quality water pump impeller is engineered to fit \u003cstrong\u003eMercury 2-Stroke outboard motors rated at 3.5, 3.9, 5, and 6 horsepower\u003c\/strong\u003e. Designed to maintain optimal cooling performance, this neoprene impeller ensures reliable water circulation through your engine's cooling system, protecting your motor from overheating during operation.\u003c\/p\u003e\n\n\u003cp\u003eThis aftermarket replacement directly substitutes \u003cstrong\u003eOEM part number 47-22748\u003c\/strong\u003e, as well as Sierra 18-3012 and Mallory 9-45308, providing a cost-effective solution without sacrificing quality or performance.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003ePrecision-molded \u003cstrong\u003eneoprene construction\u003c\/strong\u003e for durability and resistance to wear\u003c\/li\u003e\n  \u003cli\u003eDirect replacement for multiple OEM and aftermarket part numbers\u003c\/li\u003e\n  \u003cli\u003eCompact design: 6 blades, 32mm external diameter, 11.6mm shaft insert diameter\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\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    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMercury (OEM)\u003c\/td\u003e\n      \u003ctd\u003e47-22748\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSierra\u003c\/td\u003e\n      \u003ctd\u003e18-3012\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMallory\u003c\/td\u003e\n      \u003ctd\u003e9-45308\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\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\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\u003eRated HP\u003c\/th\u003e\n      \u003cth\u003eStroke\u003c\/th\u003e\n      \u003cth\u003eSerial Number Range\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\u003e3.5 HP\u003c\/td\u003e\n      \u003ctd\u003e2-Stroke\u003c\/td\u003e\n      \u003ctd\u003e358136-6202172\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMercury\u003c\/td\u003e\n      \u003ctd\u003e3.9 HP\u003c\/td\u003e\n      \u003ctd\u003e2-Stroke\u003c\/td\u003e\n      \u003ctd\u003e1655013-2498135\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMercury\u003c\/td\u003e\n      \u003ctd\u003e5 HP\u003c\/td\u003e\n      \u003ctd\u003e2-Stroke\u003c\/td\u003e\n      \u003ctd\u003e338136-574128\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMercury\u003c\/td\u003e\n      \u003ctd\u003e6 HP\u003c\/td\u003e\n      \u003ctd\u003e2-Stroke\u003c\/td\u003e\n      \u003ctd\u003e888005-1916138\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\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\u003e47-22748\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMaterial\u003c\/td\u003e\n      \u003ctd\u003eNeoprene\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eNumber of Blades\u003c\/td\u003e\n      \u003ctd\u003e6\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eExternal Impeller Overall Diameter\u003c\/td\u003e\n      \u003ctd\u003e32.00 mm \/ 1.26 inch\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eInternal Shaft Insert Diameter\u003c\/td\u003e\n      \u003ctd\u003e11.60 mm \/ 0.46 inch\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eImpeller Weight\u003c\/td\u003e\n      \u003ctd\u003eApprox. 14 g\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\u003cp\u003eYour purchase includes:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cspan style=\"color:red;\"\u003e\u003cstrong\u003e1 × Outboard Impeller\u003c\/strong\u003e\u003c\/span\u003e (Neoprene, OEM P\/N# 47-22748)\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 ensure the engine is off and cooled down completely.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRemove the lower unit\u003c\/strong\u003e from the outboard motor according to your engine's service manual.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLocate the water pump housing\u003c\/strong\u003e and carefully remove the retaining bolts or screws securing the pump cover.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRemove the old impeller\u003c\/strong\u003e by gently pulling it off the drive shaft; note the orientation of the blades.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClean the pump housing thoroughly\u003c\/strong\u003e, removing any debris, old gasket material, or corrosion.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLubricate the new impeller\u003c\/strong\u003e with marine-grade grease or glycerin to ease installation and protect the blades.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstall the new impeller\u003c\/strong\u003e onto the drive shaft, ensuring the blades are oriented in the correct rotation direction (typically the same as the old impeller).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReplace the pump housing gasket\u003c\/strong\u003e with a new one if available to prevent leaks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReassemble the pump cover\u003c\/strong\u003e and tighten all bolts evenly to the torque specifications in your service manual.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReinstall the lower unit\u003c\/strong\u003e onto the outboard motor, ensuring all alignment marks and fasteners are properly secured.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReconnect the fuel line\u003c\/strong\u003e and perform a visual inspection for proper assembly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTest the engine\u003c\/strong\u003e in the water or with a flushing attachment to confirm water flow through the cooling system.\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 impeller fits my Mercury outboard?\u003c\/strong\u003e\u003cbr\u003e\nA: Cross-reference your engine's horsepower and serial number with the compatibility table above. If your serial number falls within the listed ranges for 3.5, 3.9, 5, or 6 HP 2-stroke Mercury motors, this impeller will fit. You can also verify using the Mercury parts diagrams linked in the compatibility section.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my water pump impeller?\u003c\/strong\u003e\u003cbr\u003e\nA: Most manufacturers recommend replacing the impeller every 2–3 years or every 200–300 hours of operation, whichever comes first. If you run in sandy, silty, or debris-laden water, inspect and replace more frequently.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What are the signs that my impeller is failing?\u003c\/strong\u003e\u003cbr\u003e\nA: Common symptoms include weak or no water discharge from the telltale (pee hole), engine overheating, steam from the powerhead, or a high-temperature alarm. If you notice any of these, inspect the impeller immediately.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I install this impeller myself, or do I need a mechanic?\u003c\/strong\u003e\u003cbr\u003e\nA: If you have basic mechanical skills and the right tools, you can install it yourself by following the service manual and the installation guide above. However, professional installation is recommended if you're unfamiliar with lower unit disassembly.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What's the difference between OEM and aftermarket impellers?\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":50488857231673,"sku":"17IM002","price":9.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/Water_Pump_Impeller_for_Mercury_39_-_98_HP_47-22748_-_JLM_MARINE-8289774.jpg?v=1755252002"}],"url":"https:\/\/jlmmarine.com\/collections\/mercury-110-sn-1470349.oembed","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}