{"product_id":"water-pump-impeller-fits-yamaha-20hp-25hp-2-stroke-replaces-6g0-44352-00-00","title":"Water Pump Impeller – Fits Yamaha 20HP\/25HP 2-Stroke (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 – Fits Yamaha 20HP\/25HP 2-Stroke Outboards\u003c\/strong\u003e, specifically designed for Yamaha 20HP (20A, 20B series) and 25HP (25A series) models. It serves as a crucial component of the engine cooling system, ensuring optimal performance and preventing overheating.\u003c\/p\u003e\n\u003cp\u003eIt is a direct replacement for Yamaha OEM part numbers 6G0-44352-00-00, 656-44352-00, 6G0-44352-03, and 94-44352-00, providing an exact interchange for a hassle-free installation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEngineered for a direct fit with an included key.\u003c\/li\u003e\n\u003cli\u003eConstructed from durable neoprene rubber with a chemical-resistant plastic hub.\u003c\/li\u003e\n\u003cli\u003eMeets or exceeds OEM specifications for cooling performance and longevity.\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\u003e656-44352-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n        \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e6G0-44352-03\u003c\/td\u003e\n      \u003c\/tr\u003e\n        \u003ctr\u003e\n        \u003ctd\u003eYamaha\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, please verify your engine series (e.g., 20A, 25A) and check our technical specifications against your existing part, 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      \u003c!-- Compatibility data with specific years is pending verification. --\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\u003eDirect fit with key\u003c\/dd\u003e\n  \u003cdt\u003eOuter Diameter\u003c\/dt\u003e\n\u003cdd\u003e69.08 mm (2.72\")\u003c\/dd\u003e\n  \u003cdt\u003eHeight\u003c\/dt\u003e\n\u003cdd\u003e13.08 mm (0.515\")\u003c\/dd\u003e\n  \u003cdt\u003eInternal Shaft Insert Diameter\u003c\/dt\u003e\n\u003cdd\u003e13.72 mm (0.54\")\u003c\/dd\u003e\n  \u003cdt\u003eBlade Count\u003c\/dt\u003e\n\u003cdd\u003e6\u003c\/dd\u003e\n  \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e15 g (0.033 lbs)\u003c\/dd\u003e\n  \u003cdt\u003eMaterial\u003c\/dt\u003e\n\u003cdd\u003eNeoprene\/Rubber with Plastic Hub\u003c\/dd\u003e\n  \u003cdt\u003eCondition\u003c\/dt\u003e\n\u003cdd\u003eNew\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e1 x\u003c\/span\u003e Water Pump Impeller (replaces 6G0-44352-00-00)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eDisconnect the spark plug leads and battery for safety.\u003c\/li\u003e\n  \u003cli\u003ePlace a drain pan and remove the gearcase drain screw to empty the lower unit oil.\u003c\/li\u003e\n  \u003cli\u003eRemove the bolts securing the lower unit (gearcase) to the engine and carefully lower it.\u003c\/li\u003e\n  \u003cli\u003eUnbolt and remove the water pump housing cover. Note the rotational direction of the old impeller blades.\u003c\/li\u003e\n  \u003cli\u003eSlide the old impeller off the driveshaft, removing the old key.\u003c\/li\u003e\n  \u003cli\u003eClean the housing and base plate, inspecting for wear or damage.\u003c\/li\u003e\n  \u003cli\u003eInstall the new key and slide the new impeller onto the driveshaft, turning the shaft clockwise to bed the blades.\u003c\/li\u003e\n  \u003cli\u003eReassemble the pump housing with new gaskets and specified torque.\u003c\/li\u003e\n  \u003cli\u003eReinstall the lower unit, ensuring the water tube and shift shaft align correctly.\u003c\/li\u003e\n  \u003cli\u003eRefill the gearcase with fresh lubricant before starting the engine.\u003c\/li\u003e\n  \u003cli\u003eReconnect the battery and test the engine using a water supply (flushing muffs), confirming a strong tell-tale stream.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I ensure this impeller fits my exact Yamaha model?\u003c\/summary\u003e\n  \u003cp\u003eThis impeller is designed for specific Yamaha 20HP (20A, 20B series) and 25HP (25A series) 2-stroke models. The most reliable method is to compare the specifications—especially the outer diameter (69.08 mm), height (13.08 mm), and internal shaft diameter (13.72 mm)—against your original part before ordering.\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\u003eKey indicators include a weak or non-existent water stream from the 'tell-tale' outlet, engine overheating alarms, and in severe cases, steam from the exhaust. Reduced engine performance at high RPMs can also signal a cooling problem.\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 rule, it is recommended to inspect the impeller annually and replace it every 1-2 years or every 100-200 hours of use, whichever comes first. This interval can be shorter if you operate frequently in sandy, silty, or saltwater conditions.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDoes this impeller come with the required key for installation?\u003c\/summary\u003e\n  \u003cp\u003eYes, this impeller is designed for a direct fit and includes the necessary key for installation on the driveshaft.\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\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":50723797631291,"sku":"17IY020K","price":16.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/17IY020K_1_dad278a5-99d4-4adf-a85d-bf7f50b0361b.jpg?v=1763032026","url":"https:\/\/seasierra.com\/products\/water-pump-impeller-fits-yamaha-20hp-25hp-2-stroke-replaces-6g0-44352-00-00","provider":"SeaSierra","version":"1.0","type":"link"}