{"product_id":"water-pump-impeller-fits-yamaha-20-25hp-outboards-replaces-6l2-44352-00","title":"Water Pump Impeller – Fits Yamaha 20-25HP Outboards (Replaces 6L2-44352-00)","description":"\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\u003csection\u003e\n    \u003ch2\u003eProduct Details\u003c\/h2\u003e\n    \u003cp\u003eThis replacement \u003cstrong\u003eWater Pump Impeller\u003c\/strong\u003e is designed for select Yamaha 20HP and 25HP outboards. It is a critical component for maintaining proper engine cooling, fitting specific 2-stroke models from 1988–2010 and 4-stroke F25 models from 2016 and newer. Built to OEM specifications, it ensures reliable performance and longevity.\u003c\/p\u003e\n    \u003cp\u003eThis part serves as a direct replacement for Sierra 18-3065, GLM 89622, CEF 500317, and Mallory\/OMC 9-45613, providing a cost-effective alternative to OEM components without sacrificing quality.\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eInstallation requires disassembly of the lower unit to access the water pump housing.\u003c\/li\u003e\n        \u003cli\u003eConstructed from durable, high-quality rubber for optimal flexibility and service life.\u003c\/li\u003e\n        \u003cli\u003eThis package includes the impeller only; complete service kits are sold separately.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\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                \u003c\/tr\u003e\n            \u003c\/thead\u003e\n            \u003ctbody\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eYamaha\u003c\/td\u003e\n                    \u003ctd\u003e6L2-44352-00\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eSierra\u003c\/td\u003e\n                    \u003ctd\u003e18-3065\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eGLM\u003c\/td\u003e\n                    \u003ctd\u003e89622\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eCEF\u003c\/td\u003e\n                    \u003ctd\u003e500317\u003c\/td\u003e\n                \u003c\/tr\u003e\n                 \u003ctr\u003e\n                    \u003ctd\u003eOMC\u003c\/td\u003e\n                    \u003ctd\u003e9-45613\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eMallory\u003c\/td\u003e\n                    \u003ctd\u003e9-45613\u003c\/td\u003e\n                \u003c\/tr\u003e\n            \u003c\/tbody\u003e\n        \u003c\/table\u003e\n    \u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n    \u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n    \u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n    \u003cp\u003eFor Yamaha owners, please verify your engine's model and manufacturing year range to ensure compatibility. This impeller fits both 2-stroke and specific later-model 4-stroke engines.\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                \u003c\/tr\u003e\n            \u003c\/thead\u003e\n            \u003ctbody\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eYamaha\u003c\/td\u003e\n                    \u003ctd\u003e20HP\u003c\/td\u003e\n                    \u003ctd\u003e20\u003c\/td\u003e\n                    \u003ctd\u003e2-Stroke\u003c\/td\u003e\n                    \u003ctd\u003e1996–1997\u003c\/td\u003e\n                    \u003ctd\u003e6L2-44352-00\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eYamaha\u003c\/td\u003e\n                    \u003ctd\u003e25HP\u003c\/td\u003e\n                    \u003ctd\u003e25\u003c\/td\u003e\n                    \u003ctd\u003e2-Stroke\u003c\/td\u003e\n                    \u003ctd\u003e1988–2010\u003c\/td\u003e\n                    \u003ctd\u003e6L2-44352-00\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eYamaha\u003c\/td\u003e\n                    \u003ctd\u003eF25\u003c\/td\u003e\n                    \u003ctd\u003e25\u003c\/td\u003e\n                    \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                    \u003ctd\u003e2016–Up\u003c\/td\u003e\n                    \u003ctd\u003e6L2-44352-00\u003c\/td\u003e\n                \u003c\/tr\u003e\n            \u003c\/tbody\u003e\n        \u003c\/table\u003e\n    \u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n    \u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n    \u003cdl\u003e\n        \u003cdt\u003eProduct Type\u003c\/dt\u003e\n        \u003cdd\u003eWater Pump Impeller\u003c\/dd\u003e\n        \u003cdt\u003eInstallation\u003c\/dt\u003e\n        \u003cdd\u003eDirect replacement requiring lower unit disassembly\u003c\/dd\u003e\n        \u003cdt\u003eHousing Material\u003c\/dt\u003e\n        \u003cdd\u003eRubber\u003c\/dd\u003e\n        \u003cdt\u003eHousing Color\u003c\/dt\u003e\n        \u003cdd\u003eBlack\u003c\/dd\u003e\n    \u003c\/dl\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n    \u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n    \u003cul\u003e\n        \u003cli\u003e1 x Impeller (6L2-44352-00)\u003c\/li\u003e\n    \u003c\/ul\u003e\n    \u003cp\u003e\u003csmall\u003e\u003cem\u003eNote: Complete water pump service kits (containing the impeller, gaskets, plates, and hardware) are available separately under Yamaha part number 6L2-W0078-00.\u003c\/em\u003e\u003c\/small\u003e\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n    \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n    \u003col\u003e\n        \u003cli\u003eDisconnect the battery and remove the spark plug leads for safety.\u003c\/li\u003e\n        \u003cli\u003ePlace a drain pan under the lower unit and remove the gearcase oil drain screw to empty the oil.\u003c\/li\u003e\n        \u003cli\u003eRemove the bolts securing the lower unit (gearcase) to the midsection and carefully lower it.\u003c\/li\u003e\n        \u003cli\u003eLocate and unbolt the water pump housing cover.\u003c\/li\u003e\n        \u003cli\u003eSlide the old impeller off the driveshaft, noting the orientation of the keyway.\u003c\/li\u003e\n        \u003cli\u003eClean the inside of the pump housing and inspect it for wear, scoring, or corrosion.\u003c\/li\u003e\n        \u003cli\u003eInstall the new impeller, aligning its keyway with the key on the driveshaft. You may need to rotate the shaft to seat the vanes correctly.\u003c\/li\u003e\n        \u003cli\u003eRe-install the water pump housing and torque the bolts to manufacturer specifications.\u003c\/li\u003e\n        \u003cli\u003eRe-attach the lower unit to the engine, ensuring the driveshaft and shift shaft align properly.\u003c\/li\u003e\n        \u003cli\u003eRefill the gearcase with the specified marine gear oil before starting the engine.\u003c\/li\u003e\n    \u003c\/ol\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n    \u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eHow do I confirm this impeller fits my specific Yamaha outboard?\u003c\/summary\u003e\n        \u003cp\u003eCheck your engine’s model, horsepower, and year against the \"Engine \u0026amp; Model Compatibility\" table. The most reliable method is to cross-reference your existing impeller’s part number (stamped on the part) with the OEM part number 6L2-44352-00 listed.\u003c\/p\u003e\n    \u003c\/details\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 intermittent water stream from the \"telltale\" outlet, engine overheating alerts, and steam from the exhaust. A dry, cracked, or brittle impeller found during inspection is a clear sign it needs immediate replacement.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eHow often should I replace my outboard's impeller?\u003c\/summary\u003e\n        \u003cp\u003eAs a general maintenance guideline, impellers should be inspected annually and replaced every 1-2 years, or every 100-200 hours of use, depending on operating conditions. Operation in sandy or silty water may require more frequent changes.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eIs there a difference in performance between this and the OEM part?\u003c\/summary\u003e\n        \u003cp\u003eThis aftermarket impeller is engineered to meet or exceed original equipment manufacturer (OEM) specifications for fit, material durability, and cooling performance. When installed correctly, its performance is comparable to the OEM part.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\n        \u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eShipping speed \u0026amp; cost?\u003c\/summary\u003e\n        \u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eWarranty \u0026amp; returns?\u003c\/summary\u003e\n        \u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\n    \u003c\/details\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n    \u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n    \u003cul\u003e\n        \u003cli\u003eVerify images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n        \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n        \u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\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 tested for real-world conditions.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723797762363,"sku":"17IY008K","price":19.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Water_Pump_Impeller_Kit_for_Yamaha_20_25HP_6L2-44352-00_-_JLM_MARINE-8288771.jpg?v=1763032032","url":"https:\/\/seasierra.com\/products\/water-pump-impeller-fits-yamaha-20-25hp-outboards-replaces-6l2-44352-00","provider":"SeaSierra","version":"1.0","type":"link"}