{"product_id":"water-pump-impeller-fits-yamaha-8-9-9-15-20-hp-outboard-motors-replaces-63v-44352-00-00-63v-44352-01-00","title":"Water Pump Impeller – Fits Yamaha 8\/9.9\/15\/20 HP Outboard Motors (Replaces 63V-44352-00-00, 63V-44352-01-00)","description":"\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 \u003cstrong\u003eWater Pump Impeller – Fits Yamaha 8\/9.9\/15\/20 HP Outboard Motors\u003c\/strong\u003e is a high-quality replacement part designed for reliable performance in a variety of Yamaha engines. It is compatible with 2-Stroke 9.9 HP (1996–2001) and 15 HP (1996–1998) models, as well as 4-Stroke 8 HP T8 (2002–2009), 9.9 HP T9.9\/F9.9 (2005–2021), 15 HP F15\/F15C (1998–2021), and 20 HP F20 (2006–2021) outboard motors.\u003c\/p\u003e\n    \u003cp\u003eThis component serves as a direct replacement for OEM part numbers 63V-44352-00-00 and 63V-44352-01-00, and interchanges with Sierra 18-3040, Mallory 9-45607, GLM 89619, and others.\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eInstalls directly via press-fit method.\u003c\/li\u003e\n        \u003cli\u003eConstructed from durable, high-quality neoprene rubber for longevity.\u003c\/li\u003e\n        \u003cli\u003eEngineered to meet or exceed OEM specifications for fit and function.\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                \u003c\/tr\u003e\n            \u003c\/thead\u003e\n            \u003ctbody\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eYamaha\u003c\/td\u003e\n                    \u003ctd\u003e63V-44352-00-00\u003c\/td\u003e\n                    \u003ctd\u003e63V-44352-01-00\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eYamaha\u003c\/td\u003e\n                    \u003ctd\u003e63V-44352-01-00\u003c\/td\u003e\n                    \u003ctd\u003e\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eSierra\u003c\/td\u003e\n                    \u003ctd\u003e18-3040\u003c\/td\u003e\n                    \u003ctd\u003e\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eMallory\u003c\/td\u003e\n                    \u003ctd\u003e9-45607\u003c\/td\u003e\n                    \u003ctd\u003e\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eGLM\u003c\/td\u003e\n                    \u003ctd\u003e89619\u003c\/td\u003e\n                    \u003ctd\u003e\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eSEI Marine\u003c\/td\u003e\n                    \u003ctd\u003e96-499-03E\u003c\/td\u003e\n                    \u003ctd\u003e\u003c\/td\u003e\n                \u003c\/tr\u003e\n                 \u003ctr\u003e\n                    \u003ctd\u003eOBR Red Rhino\u003c\/td\u003e\n                    \u003ctd\u003eYA-107\u003c\/td\u003e\n                    \u003ctd\u003e\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eCEF\u003c\/td\u003e\n                    \u003ctd\u003e500363\u003c\/td\u003e\n                    \u003ctd\u003e\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: This impeller fits a wide range of 2-stroke and 4-stroke models from 8 HP to 20 HP. Please verify your specific model and year before ordering.\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\u003e2-Stroke\u003c\/td\u003e\n                    \u003ctd\u003e9.9\u003c\/td\u003e\n                    \u003ctd\u003e2-Stroke\u003c\/td\u003e\n                    \u003ctd\u003e1996–2001\u003c\/td\u003e\n                    \u003ctd\u003e63V-44352-00-00\/63V-44352-01-00\u003c\/td\u003e\n                    \u003ctd\u003eOriginal part superseded by 63V-44352-01-00\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eYamaha\u003c\/td\u003e\n                    \u003ctd\u003e2-Stroke\u003c\/td\u003e\n                    \u003ctd\u003e15\u003c\/td\u003e\n                    \u003ctd\u003e2-Stroke\u003c\/td\u003e\n                    \u003ctd\u003e1996–1998\u003c\/td\u003e\n                    \u003ctd\u003e63V-44352-00-00\/63V-44352-01-00\u003c\/td\u003e\n                    \u003ctd\u003eOriginal part superseded by 63V-44352-01-00\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eYamaha\u003c\/td\u003e\n                    \u003ctd\u003eT8\u003c\/td\u003e\n                    \u003ctd\u003e8\u003c\/td\u003e\n                    \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                    \u003ctd\u003e2002–2009\u003c\/td\u003e\n                    \u003ctd\u003e63V-44352-00-00\/63V-44352-01-00\u003c\/td\u003e\n                    \u003ctd\u003eOriginal part superseded by 63V-44352-01-00\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eYamaha\u003c\/td\u003e\n                    \u003ctd\u003eT9.9\u003c\/td\u003e\n                    \u003ctd\u003e9.9\u003c\/td\u003e\n                    \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                    \u003ctd\u003e2005–2021\u003c\/td\u003e\n                    \u003ctd\u003e63V-44352-00-00\/63V-44352-01-00\u003c\/td\u003e\n                    \u003ctd\u003eOriginal part superseded by 63V-44352-01-00\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eYamaha\u003c\/td\u003e\n                    \u003ctd\u003eF9.9\u003c\/td\u003e\n                    \u003ctd\u003e9.9\u003c\/td\u003e\n                    \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                    \u003ctd\u003e2005\u003c\/td\u003e\n                    \u003ctd\u003e63V-44352-00-00\/63V-44352-01-00\u003c\/td\u003e\n                    \u003ctd\u003eOriginal part superseded by 63V-44352-01-00\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eYamaha\u003c\/td\u003e\n                    \u003ctd\u003eF15\u003c\/td\u003e\n                    \u003ctd\u003e15\u003c\/td\u003e\n                    \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                    \u003ctd\u003e1998–2006\u003c\/td\u003e\n                    \u003ctd\u003e63V-44352-00-00\/63V-44352-01-00\u003c\/td\u003e\n                    \u003ctd\u003eOriginal part superseded by 63V-44352-01-00\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eYamaha\u003c\/td\u003e\n                    \u003ctd\u003eF15C\u003c\/td\u003e\n                    \u003ctd\u003e15\u003c\/td\u003e\n                    \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                    \u003ctd\u003e2006–2021\u003c\/td\u003e\n                     \u003ctd\u003e63V-44352-00-00\/63V-44352-01-00\u003c\/td\u003e\n                    \u003ctd\u003eOriginal part superseded by 63V-44352-01-00\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eYamaha\u003c\/td\u003e\n                    \u003ctd\u003eF20\u003c\/td\u003e\n                    \u003ctd\u003e20\u003c\/td\u003e\n                    \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                    \u003ctd\u003e2006–2021\u003c\/td\u003e\n                    \u003ctd\u003e63V-44352-00-00\/63V-44352-01-00\u003c\/td\u003e\n                    \u003ctd\u003eOriginal part superseded by 63V-44352-01-00\u003c\/td\u003e\n                \u003c\/tr\u003e\n                 \u003ctr\u003e\n                    \u003ctd\u003eYamaha\u003c\/td\u003e\n                    \u003ctd\u003eF20A\u003c\/td\u003e\n                    \u003ctd\u003e20\u003c\/td\u003e\n                    \u003ctd\u003e4-Stroke\u003c\/td\u003e\n                    \u003ctd\u003e2006–2021\u003c\/td\u003e\n                    \u003ctd\u003e63V-44352-00-00\/63V-44352-01-00\u003c\/td\u003e\n                    \u003ctd\u003eOriginal part superseded by 63V-44352-01-00\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\u003c\/dd\u003e\n        \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eDirect replacement, press fit\u003c\/dd\u003e\n        \u003cdt\u003eMaterial\u003c\/dt\u003e\n\u003cdd\u003eHigh-quality neoprene rubber\u003c\/dd\u003e\n        \u003cdt\u003eNumber of Blades\u003c\/dt\u003e\n\u003cdd\u003e6\u003c\/dd\u003e\n        \u003cdt\u003eShaft Diameter\u003c\/dt\u003e\n\u003cdd\u003e13 mm\u003c\/dd\u003e\n        \u003cdt\u003eOverall Diameter\u003c\/dt\u003e\n\u003cdd\u003e52.83 mm\u003c\/dd\u003e\n        \u003cdt\u003eHeight\u003c\/dt\u003e\n\u003cdd\u003e14.22 mm\u003c\/dd\u003e\n        \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e14 g (0.03 lbs)\u003c\/dd\u003e\n        \u003cdt\u003eColor\u003c\/dt\u003e\n\u003cdd\u003eBlack\u003c\/dd\u003e\n        \u003cdt\u003eWarranty\u003c\/dt\u003e\n\u003cdd\u003e1 Year (varies by seller)\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 (63V-44352-01-00)\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n    \u003col\u003e\n        \u003cli\u003eDisconnect the battery and ensure the engine is off and in neutral.\u003c\/li\u003e\n        \u003cli\u003ePlace a drain pan under the lower unit and remove the gear case drain screws to drain the lubricant.\u003c\/li\u003e\n        \u003cli\u003eRemove the bolts securing the lower unit (gear case) to the midsection and carefully drop it down to access the water pump.\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. If it is stuck, carefully cut it away without damaging the shaft.\u003c\/li\u003e\n        \u003cli\u003eClean the inside of the pump housing and the base plate, removing any debris or corrosion.\u003c\/li\u003e\n        \u003cli\u003eApply a light coat of marine grease or soap-and-water solution to the new impeller and inside the housing.\u003c\/li\u003e\n        \u003cli\u003eInstall the new impeller onto the driveshaft, turning the shaft clockwise to bend the blades in the correct direction.\u003c\/li\u003e\n        \u003cli\u003eReinstall the water pump housing, ensuring a proper seal, and reassemble the lower unit to the engine.\u003c\/li\u003e\n        \u003cli\u003eRefill the lower unit with the correct gear lubricant before starting the engine.\u003c\/li\u003e\n    \u003c\/ol\u003e\n    \n    \u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eHow do I know if this impeller fits my motor?\u003c\/summary\u003e\n        \u003cp\u003eThe surest way is to check your engine's model number and year against our compatibility table. If you are unsure, consult your owner's manual or a qualified marine mechanic with your engine details to confirm the correct part number.\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 signs include the engine overheating alarm sounding, a weak or non-existent \"telltale\" stream of water from the outboard, and in severe cases, steam coming from the engine exhaust.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eHow often should I replace my impeller?\u003c\/summary\u003e\n        \u003cp\u003eAs a preventative maintenance item, most manufacturers recommend replacing the impeller every 1-2 years or every 100-200 hours of operation, whichever comes first. Refer to your service manual for specific intervals.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eWhat is the difference between 63V-44352-00-00 and 63V-44352-01-00?\u003c\/summary\u003e\n        \u003cp\u003eThe part number 63V-44352-01-00 is the official superseded part for 63V-44352-00-00. It is the newer, current version supplied by the manufacturer and is fully interchangeable.\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). It is built to OEM-level specifications with comparable materials and manufactured in an ISO 9002 facility, with batch inspections 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 is 5–15 days. Standard shipping is free, and expedited options will appear at checkout where available for your location.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\n        \u003cp\u003eThis product is covered by a 1-year warranty against manufacturing defects under normal use. If any issues arise, please contact our support team with your order details. Returns are accepted within our standard window provided the item is unused and in its original condition. See our full 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 purchase. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n        \u003cli\u003eThis is an aftermarket replacement part, not an OEM component.\u003c\/li\u003e\n        \u003cli\u003eProfessional installation is 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\u003cb\u003ePro-Grade Standards\u003c\/b\u003e — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cb\u003eFast Global Fulfillment\u003c\/b\u003e — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cb\u003eManufacturer-Direct Value\u003c\/b\u003e — 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":50718272880955,"sku":"IW-JC0N-37P4","price":11.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/IW-JC0N-37P4.png?v=1762958792","url":"https:\/\/seasierra.com\/products\/water-pump-impeller-fits-yamaha-8-9-9-15-20-hp-outboard-motors-replaces-63v-44352-00-00-63v-44352-01-00","provider":"SeaSierra","version":"1.0","type":"link"}