{"product_id":"6cj-44315-00-water-pump-impeller-gasket-for-yamaha-f70la-jlm-marine","title":"6CJ-44315-00 Water Pump Impeller Gasket for Yamaha F70LA | JLM Marine","description":"\u003ch2\u003eWater Pump Impeller Gasket – Fits Yamaha 4-Stroke 70HP Outboard Engines\u003c\/h2\u003e\n\n\u003cp\u003eThis aftermarket water pump impeller gasket is precision-engineered for Yamaha 70HP 4-stroke outboard engines, specifically the F70LA series from 2006 and later. Designed to match OEM specifications, it ensures a reliable seal between critical water pump components, maintaining optimal cooling system performance.\u003c\/p\u003e\n\n\u003cp\u003eThis gasket directly replaces Yamaha OEM part number \u003cstrong\u003e6CJ-44315-00\u003c\/strong\u003e, providing a cost-effective solution for routine maintenance or water pump rebuilds. Compatible with multiple F70LA engine variants, it integrates seamlessly into your existing cooling system.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eDirect replacement for Yamaha OEM 6CJ-44315-00\u003c\/li\u003e\n\u003cli\u003eEssential component for water pump service and repair kit assemblies\u003c\/li\u003e\n\u003cli\u003ePrecision-cut for proper fitment and leak-free operation\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\u003e6CJ-44315-00\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\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\u003eF70LA\u003c\/td\u003e\n\u003ctd\u003e70\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2006 and Later\u003c\/td\u003e\n\u003ctd\u003eMultiple variants: 0112, 0113, 0114, 0115, 0116, 0117, 0310, 0410, 0411 – REPAIR KIT 2\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\u003e6CJ-44315-00\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\u003eCompatible Brand\u003c\/td\u003e\n\u003ctd\u003eYamaha\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\u003eHorsepower\u003c\/td\u003e\n\u003ctd\u003e70HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Series\u003c\/td\u003e\n\u003ctd\u003eF70LA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eCooling System \/ Water Pump Assembly\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\u003cspan style=\"color:red;\"\u003e1 × Water Pump Impeller Gasket (Yamaha 6CJ-44315-00)\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\u003ePreparation:\u003c\/strong\u003e Disconnect the battery and allow the engine to cool completely. Gather necessary tools including screwdrivers, wrenches, and a clean workspace.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccess the Water Pump:\u003c\/strong\u003e Remove the lower unit or water pump housing according to your engine's service manual. Keep all fasteners organized for reassembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemove Old Components:\u003c\/strong\u003e Carefully extract the old impeller and gasket from the pump housing. Inspect all surfaces for corrosion, scoring, or debris.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean Mating Surfaces:\u003c\/strong\u003e Thoroughly clean both gasket surfaces on the pump housing and cover plate using a gasket scraper and solvent. Ensure no old gasket material or sealant remains.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition New Gasket:\u003c\/strong\u003e Place the new impeller gasket onto the pump housing, aligning all bolt holes precisely. Do not use additional sealant unless specified by the manufacturer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Impeller:\u003c\/strong\u003e If replacing the impeller simultaneously, lubricate it with glycerin or soapy water and insert with blades oriented correctly per the service manual.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReassemble Housing:\u003c\/strong\u003e Carefully position the pump cover plate over the gasket and impeller. Thread bolts by hand first to prevent cross-threading.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTorque Fasteners:\u003c\/strong\u003e Tighten all bolts in a cross-pattern to the manufacturer's specified torque settings. This ensures even gasket compression and prevents leaks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReinstall Lower Unit:\u003c\/strong\u003e Reattach the lower unit or pump assembly, ensuring all alignment pins and seals are properly seated.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest for Leaks:\u003c\/strong\u003e Reconnect the battery and run the engine with a water supply (flushing attachment or in-water test). Monitor for coolant leaks around the gasket area.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinal Inspection:\u003c\/strong\u003e Check that water is discharging properly from the telltale indicator. Verify no abnormal sounds or overheating occurs during the test run.\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 F70LA engine?\u003c\/strong\u003e\u003cbr\u003e\nA: Cross-reference your engine's model and serial number with the compatibility table above. The gasket fits F70LA variants from 2006 onward, including models 0112 through 0411. Verify your part number matches 6CJ-44315-00 using Yamaha's parts diagrams.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I reuse the old gasket during water pump service?\u003c\/strong\u003e\u003cbr\u003e\nA: No, gaskets are single-use components. Once compressed, they lose their ability to seal properly. Always install a new gasket when servicing the water pump to prevent coolant leaks and maintain engine cooling efficiency.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How often should I replace this gasket?\u003c\/strong\u003e\u003cbr\u003e\nA: Replace the impeller gasket whenever you service the water pump impeller, typically every 2–3 years or 200–300 hours of operation. Also replace it any time the pump housing is disassembled for inspection or repair.\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 coolant leaking from the lower unit, reduced water flow from the telltale indicator, engine overheating, or visible corrosion around the pump housing. Address these issues immediately to prevent engine damage.\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":51962603700537,"sku":"2194","price":26.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/12_f50f3b97-e8e2-44ea-a77c-317b0b119f2e.jpg?v=1771804949","url":"https:\/\/jlmmarine.com\/products\/6cj-44315-00-water-pump-impeller-gasket-for-yamaha-f70la-jlm-marine","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}