{"product_id":"6e0-44352-00-water-pump-impeller-with-key-for-yamaha-f4-f6-jlm-marine","title":"6E0-44352-00 Water Pump Impeller with Key for Yamaha F4 F6 | JLM Marine","description":"\u003ch2\u003eWater Pump Impeller with Key – Fits Yamaha 4 HP \u0026amp; 6 HP 2-Stroke\/4-Stroke Outboards\u003c\/h2\u003e\n\n\u003cp\u003eThis aftermarket water pump impeller with key is designed to fit \u003cstrong\u003eYamaha 4 HP and 6 HP outboard motors\u003c\/strong\u003e, covering both 2-stroke and 4-stroke models from 1984 and up. It ensures reliable cooling system performance for your Yamaha F4, F6, and legacy 4 HP\/5 HP engines.\u003c\/p\u003e\n\n\u003cp\u003eThis impeller directly replaces OEM part numbers \u003cstrong\u003e6E0-44352-00, 6E0-44352-01, and 6E0-44352-03\u003c\/strong\u003e, as well as aftermarket equivalents from CEF Marine, Sierra Marine, and Mallory Marine.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eIncludes impeller \u003cstrong\u003ewith drive key\/pin\u003c\/strong\u003e for complete installation\u003c\/li\u003e\n\u003cli\u003e6-blade design with precise OEM-spec dimensions\u003c\/li\u003e\n\u003cli\u003eCompatible with both 2-stroke and 4-stroke Yamaha 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\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 style=\"background-color:#f2f2f2;\"\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\u003e6E0-44352-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6E0-44352-01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6E0-44352-03\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCEF Marine\u003c\/td\u003e\n\u003ctd\u003e500325\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSierra Marine\u003c\/td\u003e\n\u003ctd\u003e18-3073\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMallory Marine\u003c\/td\u003e\n\u003ctd\u003e9-45611\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 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\" style=\"border-collapse:collapse; width:100%;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color:#f2f2f2;\"\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\u003eF4\u003c\/td\u003e\n\u003ctd\u003e4 hp\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1984 \u0026amp; UP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF6\u003c\/td\u003e\n\u003ctd\u003e6 hp\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2006 \u0026amp; UP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e4 hp\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\u003e5 hp\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\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 style=\"background-color:#f2f2f2;\"\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\u003eNumber of Blades\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImpeller Height\u003c\/td\u003e\n\u003ctd\u003e12.6 mm \/ 0.50 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall Diameter\u003c\/td\u003e\n\u003ctd\u003e40.0 mm \/ 1.57 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHub Shaft Diameter\u003c\/td\u003e\n\u003ctd\u003e11.0 mm \/ 0.43 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e0.35 oz\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\u003eWater Pump Impeller with 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\u003eDisconnect the fuel line and remove the engine cover to access the lower unit.\u003c\/li\u003e\n\u003cli\u003eRemove the propeller and drain gear oil from the lower unit.\u003c\/li\u003e\n\u003cli\u003eUnbolt and carefully separate the lower unit from the midsection.\u003c\/li\u003e\n\u003cli\u003eRemove the water pump housing bolts and lift off the housing to expose the old impeller.\u003c\/li\u003e\n\u003cli\u003eCarefully remove the old impeller and drive key from the driveshaft. Inspect the housing and plate for wear or scoring.\u003c\/li\u003e\n\u003cli\u003eLubricate the new impeller blades with glycerin or soapy water (never petroleum-based grease).\u003c\/li\u003e\n\u003cli\u003eInsert the drive key into the driveshaft slot, ensuring it is fully seated.\u003c\/li\u003e\n\u003cli\u003eSlide the new impeller onto the driveshaft with blades oriented in the correct rotation direction (usually clockwise when viewed from above).\u003c\/li\u003e\n\u003cli\u003eReinstall the water pump plate and housing, ensuring all gaskets are properly aligned and O-rings are in place.\u003c\/li\u003e\n\u003cli\u003eReattach the lower unit to the midsection, tightening bolts to the manufacturer's torque specifications.\u003c\/li\u003e\n\u003cli\u003eRefill the lower unit with the appropriate gear oil, reinstall the propeller, and reattach the engine cover.\u003c\/li\u003e\n\u003cli\u003eRun the engine in a test tank or on-water and confirm a steady stream of water from the telltale (pilot hole).\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 Yamaha engine?\u003c\/strong\u003e\u003cbr\u003e\nA: Cross-reference your engine model and year in the Compatible Engine Models table above. You can also verify by matching the OEM part number (6E0-44352-00, 6E0-44352-01, or 6E0-44352-03) stamped on your original impeller or listed in your engine's parts diagram.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace my water pump impeller?\u003c\/strong\u003e\u003cbr\u003e\nA: Yamaha recommends replacing the impeller every 2–3 years or 200–300 operating hours, whichever comes first. If you operate in sandy, silty, or debris-heavy water, inspect and replace it annually.\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 flow from the telltale, engine overheating, steam from the engine, or reduced performance. Inspect the impeller immediately if any of these occur.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Does this impeller come with the drive key?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes, this kit includes both the impeller and the drive key\/pin required for installation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this impeller on both 2-stroke and 4-stroke Yamaha engines?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes, this impeller is compatible with both 2-stroke (4 HP 1984–1999, 5 HP 1984–2002) and 4-stroke (F4 1984 \u0026amp; up, F6 2006 \u0026amp; up) models as listed in the compatibility table.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this an OEM part or an aftermarket replacement?\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":51942485557561,"sku":"UK17IY015","price":14.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/12_86c11fa3-8964-4a42-87c5-b1c8718884cf.jpg?v=1771172283","url":"https:\/\/jlmmarine.com\/ru\/products\/6e0-44352-00-water-pump-impeller-with-key-for-yamaha-f4-f6-jlm-marine","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}