{"product_id":"water-pump-impeller-repair-kit-fits-yamaha-f4-f5-f6-4-stroke-replaces-6bx-wg078-00-00","title":"Water Pump Impeller Repair Kit – Fits Yamaha F4\/F5\/F6 4-Stroke (Replaces 6BX-WG078-00-00)","description":"\u003csection\u003e\n\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\u003cstyle\u003e\n  \/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\n  \/* Base table styles *\/\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n\n  \/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\n  table.ss-table th {\n    white-space:nowrap;       \/* Do not wrap *\/\n    word-break:normal;        \/* Don’t break words *\/\n    letter-spacing:normal;    \/* Prevent theme styles from stretching letters *\/\n    font-weight:600;\n    background:#f8fafc;\n  }\n\n  \/* Small screen optimization *\/\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis aftermarket \u003cstrong\u003eWater Pump Impeller Repair Kit\u003c\/strong\u003e is engineered to fit Yamaha 4-6 HP 4-Stroke outboard engines manufactured from 2010 and newer, including F4B, F4L, F4S, F5A, F5L, F5S, F6C, F6L, and F6S models. It provides all necessary components to restore your engine's cooling system for optimal performance and reliability.\u003c\/p\u003e\n\u003cp\u003eIt serves as a direct replacement for Yamaha OEM part numbers 6BX-WG078-00-00, 6EE-W0078-00-00, 6EE-W0078-01-00, and 6EE-W0078-02-00, as well as aftermarket part AM6EE-W0078-01.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for direct OEM replacement installation.\u003c\/li\u003e\n\u003cli\u003eManufactured in an ISO9002 certified factory to meet or exceed original equipment specifications.\u003c\/li\u003e\n\u003cli\u003eIncludes all essential gaskets, seals, plates, and hardware for a complete overhaul.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003ePart Number\u003c\/th\u003e\n        \u003cth\u003eSuperseded By\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\u003e6BX-WG078-00-00\u003c\/td\u003e\n        \u003ctd\u003e6EE-W0078-00-00\u003c\/td\u003e\n        \u003ctd\u003eOriginal part number.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e6EE-W0078-00-00\u003c\/td\u003e\n        \u003ctd\u003e6EE-W0078-01-00\u003c\/td\u003e\n        \u003ctd\u003eFirst supersession.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e6EE-W0078-01-00\u003c\/td\u003e\n        \u003ctd\u003e6EE-W0078-02-00\u003c\/td\u003e\n        \u003ctd\u003eSecond supersession.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e6EE-W0078-02-00\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n        \u003ctd\u003eCurrent OEM part number.\u003c\/td\u003e\n      \u003c\/tr\u003e\n       \u003ctr\u003e\n        \u003ctd\u003eAftermarket\u003c\/td\u003e\n        \u003ctd\u003eAM6EE-W0078-01\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n        \u003ctd\u003eCommon aftermarket cross-reference.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility\"\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\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eF4BMH\u003c\/td\u003e\n        \u003ctd\u003e4\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2010 and newer\u003c\/td\u003e\n        \u003ctd\u003e6EE-W0078-00-00\u003c\/td\u003e\n        \u003ctd\u003eKit superseded by 6EE-W0078-02-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eF4LMH\u003c\/td\u003e\n        \u003ctd\u003e4\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2010 and newer\u003c\/td\u003e\n        \u003ctd\u003e6EE-W0078-00-00\u003c\/td\u003e\n        \u003ctd\u003eKit superseded by 6EE-W0078-02-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eF4SMH\u003c\/td\u003e\n        \u003ctd\u003e4\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2010 and newer\u003c\/td\u003e\n        \u003ctd\u003e6EE-W0078-00-00\u003c\/td\u003e\n        \u003ctd\u003eKit superseded by 6EE-W0078-02-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eF5AMH\u003c\/td\u003e\n        \u003ctd\u003e5\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2010 and newer\u003c\/td\u003e\n        \u003ctd\u003e6EE-W0078-00-00\u003c\/td\u003e\n        \u003ctd\u003eKit superseded by 6EE-W0078-02-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n       \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eF5LMH\u003c\/td\u003e\n        \u003ctd\u003e5\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2010 and newer\u003c\/td\u003e\n        \u003ctd\u003e6EE-W0078-00-00\u003c\/td\u003e\n        \u003ctd\u003eKit superseded by 6EE-W0078-02-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eF5SMH\u003c\/td\u003e\n        \u003ctd\u003e5\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2010 and newer\u003c\/td\u003e\n        \u003ctd\u003e6EE-W0078-00-00\u003c\/td\u003e\n        \u003ctd\u003eKit superseded by 6EE-W0078-02-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eF6CMH\u003c\/td\u003e\n        \u003ctd\u003e6\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2010 and newer\u003c\/td\u003e\n        \u003ctd\u003e6EE-W0078-00-00\u003c\/td\u003e\n        \u003ctd\u003eKit superseded by 6EE-W0078-02-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eF6LMH\u003c\/td\u003e\n        \u003ctd\u003e6\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2010 and newer\u003c\/td\u003e\n        \u003ctd\u003e6EE-W0078-00-00\u003c\/td\u003e\n        \u003ctd\u003eKit superseded by 6EE-W0078-02-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eF6SMH\u003c\/td\u003e\n        \u003ctd\u003e6\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2010 and newer\u003c\/td\u003e\n        \u003ctd\u003e6EE-W0078-00-00\u003c\/td\u003e\n        \u003ctd\u003eKit superseded by 6EE-W0078-02-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eWater Pump Impeller Repair Kit\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eDirect OEM replacement\u003c\/dd\u003e\n  \u003cdt\u003eManufacturing\u003c\/dt\u003e\n\u003cdd\u003eManufactured to OEM specifications in ISO9002 certified factory\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cp\u003eThis kit is based on the current OEM version 6EE-W0078-02-00 and includes:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e1 x Gasket, Water Pump (60X-44315-A0-00)\u003c\/li\u003e\n    \u003cli\u003e1 x Outer Plate, Cartridge (60X-44323-00-00)\u003c\/li\u003e\n    \u003cli\u003e1 x Insert, Cartridge (61A-44322-02-00)\u003c\/li\u003e\n    \u003cli\u003e1 x Impeller (6E5-44352-01-00)\u003c\/li\u003e\n    \u003cli\u003e\u003cspan style=\"color:#d0021b;\"\u003e4 x Bolt, W\/ Washer (90119-08M14-00)\u003c\/span\u003e\u003c\/li\u003e\n    \u003cli\u003e1 x Key, Woodruff (90280-04M05-00)\u003c\/li\u003e\n    \u003cli\u003e1 x O-Ring (93210-37M67-00)\u003c\/li\u003e\n    \u003cli\u003e1 x O-Ring (93210-86M38-00)\u003c\/li\u003e\n    \u003cli\u003e2 x Pin, Dowel (93606-12019-00)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n    \u003cli\u003eDisconnect the battery and remove the engine cowling.\u003c\/li\u003e\n    \u003cli\u003eShift the outboard into neutral and remove the lower unit mounting bolts.\u003c\/li\u003e\n    \u003cli\u003eCarefully separate the lower unit (gearcase) from the upper section.\u003c\/li\u003e\n    \u003cli\u003eRemove the bolts securing the water pump housing and slide it off the driveshaft.\u003c\/li\u003e\n    \u003cli\u003eRemove the old impeller, gaskets, plates, and seals. Note their orientation.\u003c\/li\u003e\n    \u003cli\u003eThoroughly clean all mating surfaces, removing any old gasket material or corrosion.\u003c\/li\u003e\n    \u003cli\u003eInstall the new components from the kit in reverse order. Lightly grease the new impeller.\u003c\/li\u003e\n    \u003cli\u003eEnsure the Woodruff key is properly seated and the impeller vanes are oriented correctly.\u003c\/li\u003e\n    \u003cli\u003eTorque the water pump housing bolts to the manufacturer's specified values.\u003c\/li\u003e\n    \u003cli\u003eReinstall the lower unit, ensuring the driveshaft and water tube align correctly.\u003c\/li\u003e\n    \u003cli\u003eOnce assembled, test the engine in water to confirm a strong and steady tell-tale stream.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are the signs of a failing water pump impeller?\u003c\/summary\u003e\n  \u003cp\u003eCommon symptoms include a weak or non-existent water stream from the \"tell-tale\" outlet, engine overheating alerts, or the engine running hotter than usual, especially at low speeds or idle. Reduced engine performance can also be a sign.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow often should I replace my impeller?\u003c\/summary\u003e\n  \u003cp\u003eFor preventative maintenance, it is recommended to replace the impeller every 1-2 years or every 100-200 hours of operation. Replacement frequency should be increased if the engine is used in saltwater, sandy, or debris-heavy water.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWill this kit fit an F6 model from a year before 2010?\u003c\/summary\u003e\n  \u003cp\u003eNo, this kit is specifically designed for models from 2010 and newer. Using it on an older model may result in improper fitment and cooling system failure. Always verify your engine's part number or contact us if unsure.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat is the difference between the superseded part numbers?\u003c\/summary\u003e\n  \u003cp\u003eYamaha often updates parts over time for improvement or manufacturing changes. This kit (equivalent to 6EE-W0078-02-00) is the latest version. While it fits the same models, it may contain slightly different component part numbers than the original 6BX-WG078-00-00 kit but offers the same or better performance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs the Woodruff key included?\u003c\/summary\u003e\n  \u003cp\u003eYes, this comprehensive repair kit includes the Woodruff key required for seating the impeller on the driveshaft.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDo I need to use gasket sealant on the new gaskets?\u003c\/summary\u003e\n  \u003cp\u003eGenerally, the gaskets included are designed to create a seal without additional sealant. However, it is best practice to consult your specific engine's service manual for the manufacturer's official recommendation.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this an OEM part or an aftermarket one?\u003c\/summary\u003e\n  \u003cp\u003eThis listing is for an aftermarket replacement, not an OEM part. It is built to OEM-level specifications with comparable materials and manufactured in an ISO 9002 facility, with batch inspections for quality and consistency.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are the shipping speed and cost?\u003c\/summary\u003e\n  \u003cp\u003eWe ship worldwide quickly—typical transit is 5–15 days. Standard shipping is free for most orders, with expedited options available at checkout where applicable.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat is the warranty and return policy?\u003c\/summary\u003e\n  \u003cp\u003eThis product is covered by a 1-year warranty against manufacturing defects under normal use. If you encounter any issues, please contact our support team with your order details. Returns are accepted within our standard window for unused items in their original condition. See our policy page or reach out for instructions.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVerify images and specifications against your original part before purchasing. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n\u003cli\u003eThis is an aftermarket replacement component, not an original equipment manufacturer (OEM) part.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is highly recommended for safety and optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePro-Grade Standards\u003c\/strong\u003e — We supply marine parts engineered to OEM-level tolerances and rigorously tested for real-world conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — We offer free standard delivery to most regions, with an average transit time of 5–15 days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — By working directly with manufacturers, we provide fair pricing without compromising on materials or quality control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723977003323,"sku":"SIE-21KY001","price":44.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Water_Pump_Impeller_Kit_for_Yamaha_F4BMH_F5AMH_F6CMH_6EE-W0078-00_-_JLM_MARINE-8289185.jpg?v=1763039055","url":"https:\/\/seasierra.com\/products\/water-pump-impeller-repair-kit-fits-yamaha-f4-f5-f6-4-stroke-replaces-6bx-wg078-00-00","provider":"SeaSierra","version":"1.0","type":"link"}