{"product_id":"water-pump-impeller-kit-fits-yamaha-40-50-hp-2-stroke-f40-f50-f60-4-stroke-replaces-yamaha-63d-w0078-01-00-sierra-18-3415-glm-12276","title":"Water Pump Impeller Kit – Fits Yamaha 40\/50 HP 2-Stroke \u0026 F40\/F50\/F60 4-Stroke (Replaces Yamaha 63D-W0078-01-00, Sierra 18-3415, GLM 12276)","description":"\u003csection\u003e\n  \u003ch2\u003eProduct Details\u003c\/h2\u003e\n  \u003cp\u003eThis \u003cstrong\u003eWater Pump Impeller Kit – Fits Yamaha 40\/50 HP 2-Stroke (1994-2005) \u0026amp; F40\/F50\/F60 4-Stroke (1996+)\u003c\/strong\u003e provides all necessary components to restore your engine's cooling system. It is engineered for a precise fit on Yamaha 2-stroke 40\/50 HP (1994–2005) outboards, including C40, P40, C50, and P50 models, as well as 4-stroke F40 (1999), F50 (1997+), and F60 (2002+) models.\u003c\/p\u003e\n  \u003cp\u003eIt serves as a direct replacement for Yamaha OEM part 63D-W0078-01-00 and its supersessions, along with aftermarket equivalents from Sierra (18-3415, 18-3434) and GLM (12276).\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eInstalls as a direct replacement for original factory components.\u003c\/li\u003e\n    \u003cli\u003eProduced in an ISO 9002 certified facility for consistent quality.\u003c\/li\u003e\n    \u003cli\u003eIncludes all essential gaskets, seals, and hardware for a complete service.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n  \u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n  \u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket brands.\u003c\/p\u003e\n\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  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Part Number Cross-Reference\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBrand\u003c\/th\u003e\n          \u003cth\u003ePart Number\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\u003e63D-W0078-01-00\u003c\/td\u003e\n          \u003ctd\u003eCurrent OEM Number\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eYamaha\u003c\/td\u003e\n          \u003ctd\u003e63D-W0078-03-00\u003c\/td\u003e\n          \u003ctd\u003eSuperseded by 63D-W0078-01-00\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eYamaha\u003c\/td\u003e\n          \u003ctd\u003e63D-W0078-02-00\u003c\/td\u003e\n          \u003ctd\u003eSuperseded by 63D-W0078-01-00\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eYamaha\u003c\/td\u003e\n          \u003ctd\u003e63D-W0078-00-00\u003c\/td\u003e\n          \u003ctd\u003eSuperseded by 63D-W0078-01-00\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eSierra\u003c\/td\u003e\n          \u003ctd\u003e18-3415\u003c\/td\u003e\n          \u003ctd\u003eAftermarket Interchange\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eSierra\u003c\/td\u003e\n          \u003ctd\u003e18-3434\u003c\/td\u003e\n          \u003ctd\u003eAftermarket Interchange\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eGLM\u003c\/td\u003e\n          \u003ctd\u003e12276\u003c\/td\u003e\n          \u003ctd\u003eAftermarket Interchange\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n  \u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n  \u003cp\u003eConfirm your engine model and year in the tables below.\u003c\/p\u003e\n  \u003cp\u003eThis kit is compatible with a range of Yamaha 2-stroke and 4-stroke outboard engines. Verify your specific model for a perfect fit.\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\u003e40\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1995–2005\u003c\/td\u003e\n\u003ctd\u003e63D-W0078-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eC40\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1997–2003\u003c\/td\u003e\n\u003ctd\u003e63D-W0078-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eP40\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1998\u003c\/td\u003e\n\u003ctd\u003e63D-W0078-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1998–2009\u003c\/td\u003e\n\u003ctd\u003e63D-W0078-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eC50\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1998–2001\u003c\/td\u003e\n\u003ctd\u003e63D-W0078-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eP50\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1995–1996\u003c\/td\u003e\n\u003ctd\u003e63D-W0078-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e40EJRV\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1997\u003c\/td\u003e\n\u003ctd\u003e63D-W0078-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e40EJRW\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1998\u003c\/td\u003e\n\u003ctd\u003e63D-W0078-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e40EJRX\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999\u003c\/td\u003e\n\u003ctd\u003e63D-W0078-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e40ELRV\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1997\u003c\/td\u003e\n\u003ctd\u003e63D-W0078-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e40ELRW\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1998\u003c\/td\u003e\n\u003ctd\u003e63D-W0078-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e40TLRV\/40TLRW\/40TLRX\/40TLRY\/40TLRZ\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1997–2001\u003c\/td\u003e\n\u003ctd\u003e63D-W0078-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e40TLRA\/40TLRB\/40TLRC\/40TLRD\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2002–2005\u003c\/td\u003e\n\u003ctd\u003e63D-W0078-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e50TLRA\/50TLRB\/50TLRC\/50TLRD\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2002–2005\u003c\/td\u003e\n\u003ctd\u003e6D-W0078-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eT50TLRC\/T50TLRV\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1997–2004\u003c\/td\u003e\n\u003ctd\u003e63D-W0078-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF40\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999\u003c\/td\u003e\n\u003ctd\u003e63D-W0078-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF40TLRX\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999\u003c\/td\u003e\n\u003ctd\u003e63D-W0078-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF50\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1997+\u003c\/td\u003e\n\u003ctd\u003e63D-W0078-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF50TLRV\/F50TLRW\/F50TLRX\/F50TLRY\/F50TLRZ\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1997–2001\u003c\/td\u003e\n\u003ctd\u003e63D-W0078-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF50TLRA\/F50TLRB\/F50TLRC\/F50TLRD\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2002–2005\u003c\/td\u003e\n\u003ctd\u003e63D-W0078-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF50LA\/F50LB\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2011–2016\u003c\/td\u003e\n\u003ctd\u003e63D-W0078-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF60\u003c\/td\u003e\n\u003ctd\u003e60\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2002+\u003c\/td\u003e\n\u003ctd\u003e63D-W0078-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF60TLRA\/F60TLRB\/F60TLRC\/F60TLRD\u003c\/td\u003e\n\u003ctd\u003e60\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2002–2005\u003c\/td\u003e\n\u003ctd\u003e63D-W0078-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF60JB\/F60LA\/F60LB\u003c\/td\u003e\n\u003ctd\u003e60\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2011–2016\u003c\/td\u003e\n\u003ctd\u003e63D-W0078-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF60TJR series\u003c\/td\u003e\n\u003ctd\u003e60\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2003–2007\u003c\/td\u003e\n\u003ctd\u003e63D-W0078-01-00\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\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 Kit\u003c\/dd\u003e\n    \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eDirect replacement for OEM components\u003c\/dd\u003e\n    \u003cdt\u003eQuality Certification\u003c\/dt\u003e\n\u003cdd\u003eISO9002 certified factory production (JLM Marine)\u003c\/dd\u003e\n  \u003c\/dl\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n  \u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e1 x Cartridge Insert (63D-44322-00-00)\u003c\/li\u003e\n    \u003cli\u003e1 x Impeller (6H3-44352-00-00)\u003c\/li\u003e\n    \u003cli\u003e1 x Water Pump Housing Cover (63D-44312-00-00)\u003c\/li\u003e\n    \u003cli\u003e1 x Cartridge Outer Plate (63D-44323-00-00)\u003c\/li\u003e\n    \u003cli\u003e1 x O-Ring (93210-59MG7-00)\u003c\/li\u003e\n    \u003cli\u003e1 x Water Pump Gasket (63D-44316-00-00)\u003c\/li\u003e\n    \u003cli\u003e\u003cspan style=\"color:#d0021b;\"\u003e4 x Bolts with Washers (90119-08M15-00)\u003c\/span\u003e\u003c\/li\u003e\n    \u003cli\u003e1 x Water Seal Damper 2 (663-44366-00-00)\u003c\/li\u003e\n    \u003cli\u003e1 x Woodruff Key (90280-03024-00)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n  \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n  \u003col\u003e\n    \u003cli\u003eDisconnect the battery and ensure the engine is fully cooled before starting.\u003c\/li\u003e\n    \u003cli\u003eDrain the lower unit gear lube.\u003c\/li\u003e\n    \u003cli\u003eRemove the propeller and unbolt the lower unit (gearcase) from the upper engine casing.\u003c\/li\u003e\n    \u003cli\u003eCarefully lower and remove the gearcase, making sure to disconnect the speedometer tube if present.\u003c\/li\u003e\n    \u003cli\u003eUnbolt and remove the old water pump housing. Note the orientation of the old parts.\u003c\/li\u003e\n    \u003cli\u003eClean the mounting surfaces and inspect the driveshaft.\u003c\/li\u003e\n    \u003cli\u003eInstall the new gasket, outer plate, impeller (rotate shaft clockwise), and housing from the kit.\u003c\/li\u003e\n    \u003cli\u003eApply marine grease to the new housing and bolt threads. Torque bolts to manufacturer specifications.\u003c\/li\u003e\n    \u003cli\u003eReassemble the lower unit to the engine, ensuring the water tube, shift shaft, and driveshaft align correctly.\u003c\/li\u003e\n    \u003cli\u003eRefill the gearcase with fresh lube, reinstall the propeller, and reconnect the battery.\u003c\/li\u003e\n    \u003cli\u003eTest the engine in water, confirming a steady stream of water from the tell-tale port.\u003c\/li\u003e\n  \u003c\/ol\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n  \u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow do I know if my water pump impeller needs replacing?\u003c\/summary\u003e\n    \u003cp\u003eCommon signs of a failing impeller include a weak or inconsistent water stream from the tell-tale port, rising engine temperature at idle or low speeds, or an engine overheat alarm. It is a critical maintenance item that should be replaced proactively.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat is the recommended replacement interval for an impeller?\u003c\/summary\u003e\n    \u003cp\u003eFor most Yamaha outboards, it is recommended to inspect the impeller annually and replace it every 1-2 years or 100-200 operating hours, whichever comes first. Usage in saltwater or silty\/sandy conditions may require more frequent changes.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eMy engine is still overheating after installing the new kit. What should I check?\u003c\/summary\u003e\n    \u003cp\u003eIf overheating persists, verify that all cooling passages are clear of debris, the thermostat is functioning correctly, and the water intake screens are unobstructed. Also, ensure the water tube was properly aligned with the pump outlet during reassembly.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow do I confirm this kit will fit my specific Yamaha engine?\u003c\/summary\u003e\n    \u003cp\u003eThe most reliable method is to match your engine's full model and year to our compatibility list. You can also cross-reference your existing part number with the numbers listed in our Part Number Matrix.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs there a difference in performance between this kit and the OEM version?\u003c\/summary\u003e\n    \u003cp\u003eThis aftermarket kit is designed and manufactured to meet or exceed OEM specifications. It provides a comparable level of performance, durability, and cooling efficiency to the original Yamaha parts but at a more accessible price point.\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\u003eaws-sdk-client-mock\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\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\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":50723973136699,"sku":"23KY711","price":74.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/23KY711_8_53b5bd91-f849-42a3-ac09-33179a8d8e12.jpg?v=1763038893","url":"https:\/\/seasierra.com\/products\/water-pump-impeller-kit-fits-yamaha-40-50-hp-2-stroke-f40-f50-f60-4-stroke-replaces-yamaha-63d-w0078-01-00-sierra-18-3415-glm-12276","provider":"SeaSierra","version":"1.0","type":"link"}