{"product_id":"6e0-44315-a0-water-pump-impeller-gasket-for-yamaha-f4-jlm-marine","title":"6E0-44315-A0 Water Pump Impeller Gasket for Yamaha F4 | JLM Marine","description":"\u003ch2\u003eWater Pump Impeller Gasket 6E0-44315-A0 – Fits Yamaha 4HP \u0026amp; 5HP Outboards\u003c\/h2\u003e\n\n\u003cp\u003eThis water pump impeller gasket is engineered to fit \u003cstrong\u003eYamaha 4HP and 5HP outboard engines\u003c\/strong\u003e, covering both 2-stroke models from 1984–2002 and 4-stroke F4 models from 1999–2008. It ensures a reliable seal within the water pump housing, preventing leaks and maintaining optimal cooling system performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDirect Replacement:\u003c\/strong\u003e Yamaha OEM part number \u003cstrong\u003e6E0-44315-A0\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003ePrecision-cut gasket for secure water pump seal\u003c\/li\u003e\n  \u003cli\u003eCompatible with both 2-stroke and 4-stroke Yamaha engines\u003c\/li\u003e\n  \u003cli\u003eEssential component for water pump maintenance and rebuild\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\"\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\u003eYamaha\u003c\/td\u003e\n      \u003ctd\u003e6E0-44315-A0\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 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\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\u003eModel\u003c\/th\u003e\n        \u003cth\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eStroke\u003c\/th\u003e\n        \u003cth\u003eYears\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\u003eStandard\u003c\/td\u003e\n        \u003ctd\u003e4 HP\u003c\/td\u003e\n        \u003ctd\u003e2 Stroke\u003c\/td\u003e\n        \u003ctd\u003e1984-1999\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eStandard\u003c\/td\u003e\n        \u003ctd\u003e5 HP\u003c\/td\u003e\n        \u003ctd\u003e2 Stroke\u003c\/td\u003e\n        \u003ctd\u003e1984-2002\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eF4\u003c\/td\u003e\n        \u003ctd\u003e4 HP\u003c\/td\u003e\n        \u003ctd\u003e4 Stroke\u003c\/td\u003e\n        \u003ctd\u003e1999-2001\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eF4\u003c\/td\u003e\n        \u003ctd\u003e4 HP\u003c\/td\u003e\n        \u003ctd\u003e4 Stroke\u003c\/td\u003e\n        \u003ctd\u003e2002-2008\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\"\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\u003e6E0-44315-A0\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eComponent Type\u003c\/td\u003e\n      \u003ctd\u003eWater Pump Impeller Gasket\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eApplication\u003c\/td\u003e\n      \u003ctd\u003eYamaha 4HP \u0026amp; 5HP Outboards\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 × Water Pump Impeller Gasket (6E0-44315-A0)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\n\u003col\u003e\n  \u003cli\u003eDisconnect the fuel line and remove the engine cover to access the lower unit. Ensure the engine is completely cool before starting work.\u003c\/li\u003e\n  \u003cli\u003eDrain the lower unit gear oil completely by removing the drain and vent screws.\u003c\/li\u003e\n  \u003cli\u003eDisconnect the shift linkage and unbolt the lower unit from the mid-section. Carefully pull the lower unit away from the drive shaft.\u003c\/li\u003e\n  \u003cli\u003eRemove the water pump housing bolts and lift off the housing to expose the impeller and old gasket.\u003c\/li\u003e\n  \u003cli\u003eCarefully remove the old impeller gasket, cleaning all gasket surfaces thoroughly to ensure no debris or old gasket material remains.\u003c\/li\u003e\n  \u003cli\u003ePosition the new impeller gasket (6E0-44315-A0) onto the water pump base, ensuring proper alignment with all bolt holes.\u003c\/li\u003e\n  \u003cli\u003eReinstall the impeller (lubricate with glycerin or soapy water) and water pump housing, ensuring the gasket stays in place.\u003c\/li\u003e\n  \u003cli\u003eTorque the water pump housing bolts to manufacturer specifications in a cross-pattern sequence.\u003c\/li\u003e\n  \u003cli\u003eReattach the lower unit to the mid-section, reconnect the shift linkage, and verify proper gear engagement.\u003c\/li\u003e\n  \u003cli\u003eRefill the lower unit with the correct grade and amount of gear oil, then reinstall drain and vent screws.\u003c\/li\u003e\n  \u003cli\u003eReconnect the fuel line and test the cooling system by running the engine in a test tank or on muffs. Verify strong water flow from the tell-tale indicator.\u003c\/li\u003e\n  \u003cli\u003eReinstall the engine cover and perform a final visual inspection for leaks or unusual sounds.\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 gasket fits my Yamaha outboard?\u003c\/strong\u003e\u003cbr\u003e\nA: Check the compatibility table above for your engine's HP, model (F4 or standard), stroke type, and year range. You can also cross-reference the OEM part number 6E0-44315-A0 in your service manual or Yamaha parts diagram.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace the water pump impeller gasket?\u003c\/strong\u003e\u003cbr\u003e\nA: Replace the gasket every time you service or replace the water pump impeller, typically every 2–3 years or 200–300 hours of operation, whichever comes first. Always use a new gasket—never reuse the old one.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What are the signs that my water pump gasket is failing?\u003c\/strong\u003e\u003cbr\u003e\nA: Common symptoms include water leaking from the lower unit seam, reduced water flow from the tell-tale indicator, engine overheating, or visible corrosion around the water pump housing. If you notice any of these, inspect and replace the gasket immediately.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I reuse the old gasket if it looks intact?\u003c\/strong\u003e\u003cbr\u003e\nA: No, reusing gaskets can lead to improper sealing, leaks, and potential engine damage. Always install a new gasket during water pump service to ensure a reliable seal.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this an OEM or aftermarket part?\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":51981007061305,"sku":"2455","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/12_30e01999-b3e6-41fe-bc51-001994eeb357.jpg?v=1772414542","url":"https:\/\/jlmmarine.com\/products\/6e0-44315-a0-water-pump-impeller-gasket-for-yamaha-f4-jlm-marine","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}