{"product_id":"6f5-44352-00-6f5-44352-01-6f5-44352-02-6f5-44352-03-676-44352-00-water-pump-impeller-for-yamaha-c40-cv40-jlm-marine","title":"6F5-44352-00 6F5-44352-01 6F5-44352-02 6F5-44352-03 676-44352-00 Water Pump Impeller for Yamaha C40 CV40 | JLM Marine","description":"\u003ch2\u003eWater Pump Impeller 6F5-44352-00 6F5-44352-01 6F5-44352-02 6F5-44352-03 676-44352-00 for Yamaha C40 CV40 Outboard\u003c\/h2\u003e\n\n\u003cp\u003eThis \u003cstrong\u003ewater pump impeller\u003c\/strong\u003e is engineered for \u003cstrong\u003eYamaha 40 HP 2-stroke 2-cylinder outboards\u003c\/strong\u003e, including C40 (1991–1997) and CV40 (1990) series. Manufactured from \u003cstrong\u003ehigh-performance neoprene rubber\u003c\/strong\u003e and hardened nylon, it delivers reliable cooling system performance in harsh marine environments.\u003c\/p\u003e\n\n\u003cp\u003eDirectly replaces Yamaha OEM part numbers \u003cstrong\u003e6F5-44352-00\u003c\/strong\u003e, \u003cstrong\u003e6F5-44352-01\u003c\/strong\u003e, \u003cstrong\u003e6F5-44352-02\u003c\/strong\u003e, \u003cstrong\u003e6F5-44352-03\u003c\/strong\u003e, and \u003cstrong\u003e676-44352-00\u003c\/strong\u003e, as well as aftermarket equivalents from CEF Marine, Sierra, and Mallory Marine.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage includes:\u003c\/strong\u003e Outboard rubber impeller with key\/pin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6-blade design\u003c\/strong\u003e for optimal water flow and cooling efficiency\u003c\/li\u003e\n\u003cli\u003eDesigned for marine and chemical corrosion resistance\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 Marine\u003c\/td\u003e\n\u003ctd\u003e6F5-44352-00, 6F54435200, 6F5-44352-01, 6F54435201, 6F5-44352-03, 6F54435203, 676-44352-00, 6764435200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCEF Marine\u003c\/td\u003e\n\u003ctd\u003e500352\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSEI West Sierra Marine\u003c\/td\u003e\n\u003ctd\u003e18-3088\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMallory Marine\u003c\/td\u003e\n\u003ctd\u003e9-45606\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\" target=\"_blank\" rel=\"nofollow noopener\"\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\" target=\"_blank\" rel=\"nofollow noopener\"\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\u003eC40\u003c\/td\u003e\n\u003ctd\u003e40 HP\u003c\/td\u003e\n\u003ctd\u003e2-stroke\u003c\/td\u003e\n\u003ctd\u003e1991–1997\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eCV40\u003c\/td\u003e\n\u003ctd\u003e40 HP\u003c\/td\u003e\n\u003ctd\u003e2-stroke\u003c\/td\u003e\n\u003ctd\u003e1990\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eCV40ELD\u003c\/td\u003e\n\u003ctd\u003e40 HP\u003c\/td\u003e\n\u003ctd\u003e2-stroke\u003c\/td\u003e\n\u003ctd\u003e1990\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eC40ELRP\u003c\/td\u003e\n\u003ctd\u003e40 HP\u003c\/td\u003e\n\u003ctd\u003e2-stroke\u003c\/td\u003e\n\u003ctd\u003e1991\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eC40PLRQ, C40MSHQ, C40ELRQ\u003c\/td\u003e\n\u003ctd\u003e40 HP\u003c\/td\u003e\n\u003ctd\u003e2-stroke\u003c\/td\u003e\n\u003ctd\u003e1992\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eC40PLRR, C40MSHR, C40ELRR\u003c\/td\u003e\n\u003ctd\u003e40 HP\u003c\/td\u003e\n\u003ctd\u003e2-stroke\u003c\/td\u003e\n\u003ctd\u003e1993\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eC40PLRS, C40MSHS, C40MLHS, C40ELRS\u003c\/td\u003e\n\u003ctd\u003e40 HP\u003c\/td\u003e\n\u003ctd\u003e2-stroke\u003c\/td\u003e\n\u003ctd\u003e1994\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eC40PLRT, C40MSHT, C40MLHT, C40ELRT\u003c\/td\u003e\n\u003ctd\u003e40 HP\u003c\/td\u003e\n\u003ctd\u003e2-stroke\u003c\/td\u003e\n\u003ctd\u003e1995\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eC40PLRU, C40MSHU, C40ELRU\u003c\/td\u003e\n\u003ctd\u003e40 HP\u003c\/td\u003e\n\u003ctd\u003e2-stroke\u003c\/td\u003e\n\u003ctd\u003e1996\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eC40PLRV, C40MSHV, C40ESHV, C40ELRV\u003c\/td\u003e\n\u003ctd\u003e40 HP\u003c\/td\u003e\n\u003ctd\u003e2-stroke\u003c\/td\u003e\n\u003ctd\u003e1997\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\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\u003e22.4 mm \/ 0.88 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall Diameter\u003c\/td\u003e\n\u003ctd\u003e70.0 mm \/ 2.76 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHub Shaft Diameter\u003c\/td\u003e\n\u003ctd\u003e16.1 mm \/ 0.63 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e0.70 oz (approx. 20 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eHigh-performance neoprene rubber and hardened nylon\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 order includes:\u003c\/p\u003e\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\u003e\n\u003cstrong\u003eDisconnect the battery\u003c\/strong\u003e and remove the lower unit from the outboard motor following your service manual.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove the water pump housing\u003c\/strong\u003e by unscrewing the bolts and carefully lifting it off the drive shaft.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtract the old impeller\u003c\/strong\u003e using needle-nose pliers or a flathead screwdriver. Inspect the housing for debris or damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean the pump housing and base plate\u003c\/strong\u003e thoroughly with a mild solvent and let dry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLubricate the new impeller blades\u003c\/strong\u003e with water pump grease or dish soap to ease installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsert the key\/pin\u003c\/strong\u003e into the drive shaft slot, ensuring it is seated properly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlign the impeller hub\u003c\/strong\u003e over the key and gently slide the impeller onto the drive shaft, rotating clockwise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnsure all blades are bent\u003c\/strong\u003e in the correct rotation direction (typically clockwise when viewed from above).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReinstall the pump housing\u003c\/strong\u003e carefully, making sure not to damage the impeller blades.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTorque the housing bolts\u003c\/strong\u003e to manufacturer specifications in a criss-cross pattern.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReattach the lower unit\u003c\/strong\u003e to the outboard and reconnect the battery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest the cooling system\u003c\/strong\u003e by running the engine in a test tank or on muffs; confirm a steady stream of water from the tell-tale.\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 outboard?\u003c\/strong\u003e\u003cbr\u003e\nA: Cross-reference your engine model and year with the compatibility table above. Also verify your original OEM part number matches one of the following: 6F5-44352-00, 6F5-44352-01, 6F5-44352-02, 6F5-44352-03, or 676-44352-00.\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 inspecting the impeller annually and replacing it every 2–3 years or 200–300 operating hours, whichever comes first. Replace immediately if you notice cracked, melted, or missing blades.\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 engine overheating, weak or absent tell-tale stream, steam from the engine, and reduced performance. Inspect the impeller if any of these occur.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I install this impeller myself?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes, if you have basic mechanical skills and the proper tools. Follow your Yamaha service manual closely and use marine-grade grease during installation to prevent blade damage.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this an OEM or aftermarket impeller?\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":51940936057145,"sku":"17IY013K","price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/17IY013K.jpg?v=1771158058","url":"https:\/\/jlmmarine.com\/ru\/products\/6f5-44352-00-6f5-44352-01-6f5-44352-02-6f5-44352-03-676-44352-00-water-pump-impeller-for-yamaha-c40-cv40-jlm-marine","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}