{"product_id":"water-pump-impeller-fits-yamaha-20hp-25hp-2-stroke-outboard-engines-replaces-6g0-44352-00-00","title":"Water Pump Impeller – Fits Yamaha 20HP\/25HP 2-Stroke Outboard Engines (Replaces 6G0-44352-00-00)","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 is a high-quality aftermarket \u003cstrong\u003eWater Pump Impeller for Yamaha 20HP\/25HP 2-Stroke Outboard Engines (Replaces 6G0-44352-00-00)\u003c\/strong\u003e. It is designed for a precise fit on Yamaha's 20A, 20B, and 25A series two-stroke outboards, restoring cooling system performance and reliability.\u003c\/p\u003e\n\u003cp\u003eIt directly replaces Yamaha OEM part numbers 6G0-44352-00-00, 6G0-44352-03-00, and 656-44352-00-00, along with aftermarket equivalents.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInstalls in the lower unit water pump housing.\u003c\/li\u003e\n\u003cli\u003eFeatures a durable plastic hub with a keyed shaft design.\u003c\/li\u003e\n\u003cli\u003eEngineered with six flexible rubber blades for efficient water flow.\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      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e6G0-44352-00-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e6G0-44352-03-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e656-44352-00-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n       \u003ctr\u003e\n        \u003ctd\u003eAftermarket\u003c\/td\u003e\n        \u003ctd\u003e6G0-44352\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAftermarket\u003c\/td\u003e\n        \u003ctd\u003e94-44352-00\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\u003cp\u003eFor Yamaha owners, it is critical to verify your engine's model and serial number to ensure correct fitment, as year ranges can vary.\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\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\u003e20A Series\u003c\/td\u003e\n        \u003ctd\u003e20\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e6G0-44352-00-00\u003c\/td\u003e\n        \u003ctd\u003eVerify exact model years with engine serial number\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e20B Series\u003c\/td\u003e\n        \u003ctd\u003e20\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e6G0-44352-00-00\u003c\/td\u003e\n        \u003ctd\u003eVerify exact model years with engine serial number\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e25A Series\u003c\/td\u003e\n        \u003ctd\u003e25\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e6G0-44352-00-00\u003c\/td\u003e\n        \u003ctd\u003eVerify exact model years with engine serial number\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\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eLower Unit Casing Drive\u003c\/dd\u003e\n  \u003cdt\u003eConnection\u003c\/dt\u003e\n\u003cdd\u003eDrive Shaft with Key Slot\u003c\/dd\u003e\n  \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003ePlastic Hub\u003c\/dd\u003e\n  \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eBlack\u003c\/dd\u003e\n  \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003eOuter Diameter: 69.08mm (2.72\"), Height: 13.08mm (0.515\"), Internal Shaft Diameter: 13.72mm (0.54\")\u003c\/dd\u003e\n  \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e15g\u003c\/dd\u003e\n  \u003cdt\u003eFitting Type\u003c\/dt\u003e\n\u003cdd\u003eInternal Keyed Shaft\u003c\/dd\u003e\n  \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003e6 Rubber Blades\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Water Pump Impeller (6G0-44352-00-00)\u003c\/li\u003e\n  \u003cli\u003e\u003cspan style=\"color:#d0021b;\"\u003e1 x Drive Key (Note: inclusion may vary)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eDisconnect the spark plug wires and shift the outboard into neutral.\u003c\/li\u003e\n  \u003cli\u003eUnbolt and carefully remove the lower unit from the engine's midsection.\u003c\/li\u003e\n  \u003cli\u003eRemove the water pump housing bolts and slide the housing up off the drive shaft.\u003c\/li\u003e\n  \u003cli\u003eRemove the old impeller, noting the direction of the blades.\u003c\/li\u003e\n  \u003cli\u003eClean any debris or corrosion from the housing interior and wear plate.\u003c\/li\u003e\n  \u003cli\u003eSlide the new impeller onto the drive shaft, aligning the keyway with the new key.\u003c\/li\u003e\n  \u003cli\u003eTurn the drive shaft clockwise while pushing down to bend the blades correctly inside the housing.\u003c\/li\u003e\n  \u003cli\u003eReinstall the water pump housing with a new gasket.\u003c\/li\u003e\n  \u003cli\u003eReattach the lower unit to the engine, ensuring the drive shaft and shift shafts align.\u003c\/li\u003e\n  \u003cli\u003eOnce fully assembled, test run the engine in water and confirm a steady stream from the tell-tale port.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I know if this impeller fits my Yamaha 25HP?\u003c\/summary\u003e\u003cp\u003eThis impeller is designed for 2-stroke Yamaha 25A series outboards. The most reliable way to confirm compatibility is to check your engine's model and serial number against your service manual's part requirements. If it calls for OEM part 6G0-44352-00-00, this part will fit.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are the signs of a failing impeller?\u003c\/summary\u003e\u003cp\u003eCommon signs include a weak or non-existent water stream from the engine's tell-tale outlet, engine overheating alarms, or a noticeable decrease in engine performance. A visual inspection may show cracked, brittle, or worn-down rubber blades.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow often should I replace my water pump impeller?\u003c\/summary\u003e\u003cp\u003eFor preventative maintenance, it is recommended to inspect your impeller annually and replace it every 1-2 years, or every 100-200 hours of use, depending on operating conditions (e.g., saltwater vs. freshwater).\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan this be used on a 4-stroke engine?\u003c\/summary\u003e\u003cp\u003eNo, this impeller is specifically designed for the 2-stroke Yamaha models listed. Using it in a 4-stroke engine is not recommended and will likely result in improper cooling and potential engine damage.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is the difference between this and an OEM impeller?\u003c\/summary\u003e\u003cp\u003eThis is an aftermarket part built to meet or exceed original equipment manufacturer (OEM) specifications. It offers comparable performance and material quality at a better value.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs a key always included in the package?\u003c\/summary\u003e\u003cp\u003eWhile the impeller requires a key for installation, its inclusion in the package can vary. This listing includes a key, but it is always wise to retain your old one until the new part arrives and you can confirm.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\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\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eShipping speed \u0026amp; cost?\u003c\/summary\u003e\u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWarranty \u0026amp; returns?\u003c\/summary\u003e\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\u003c\/details\u003e\n\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\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":50723797696827,"sku":"17IY020","price":12.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Water_Pump_Impeller_for_Yamaha_20_25HP_-_JLM_MARINE-8288732.jpg?v=1763032029","url":"https:\/\/seasierra.com\/products\/water-pump-impeller-fits-yamaha-20hp-25hp-2-stroke-outboard-engines-replaces-6g0-44352-00-00","provider":"SeaSierra","version":"1.0","type":"link"}