{"product_id":"water-pump-impeller-kit-fits-mercury-mariner-force-4-stroke-30-60-hp-replaces-46-812966a12-sierra-18-3690","title":"Water Pump Impeller Kit – Fits Mercury Mariner Force 4-Stroke 30-60 HP (Replaces 46-812966A12, Sierra 18-3690)","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\n\u003csection\u003e\n  \u003ch2\u003eProduct Details\u003c\/h2\u003e\n  \u003cp\u003eThis is a complete water pump impeller repair kit, specifically the \u003cstrong\u003eMercury Marine Water Pump Impeller Kit 47-19453T\u003c\/strong\u003e, designed for Mercury, Mariner, and Force 4-Stroke outboards from 30-60 HP (1998 and newer). It is compatible with both EFI and carbureted models, providing a reliable solution for maintaining your engine's cooling system.\u003c\/p\u003e\n  \u003cp\u003eThis kit serves as a direct replacement for multiple part numbers, including Mercury series 47-19453T and 46-812966A12, as well as Sierra 18-3690, ensuring broad interchangeability.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eEngineered for direct-fit installation.\u003c\/li\u003e\n    \u003cli\u003eFeatures a durable stainless steel impeller housing and a robust neoprene impeller.\u003c\/li\u003e\n    \u003cli\u003eIncludes the long tube seal (859770\/893857) required for 4-stroke applications.\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.\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\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e47-19453T \/ 47-19453T3 \/ 47-19453T2 \/ 47-19453T1\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e46-812966A12 \/ 46-812966A11 \/ 46-812966A10 \/ 46-812966A6 \/ 46-812966A5 \/ 46-812966A4\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eSierra\u003c\/td\u003e\n          \u003ctd\u003e18-3690\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\/year in the table below.\u003c\/p\u003e\n  \u003cp\u003eThis kit is designed for the following Mercury 4-Stroke outboard engines. Please verify your engine's serial number falls within the specified ranges.\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\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e30 EFI (3 CYL.)\u003c\/td\u003e\n          \u003ctd\u003e30\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998–Up (1C109093 \u0026amp; Up)\u003c\/td\u003e\n          \u003ctd\u003e46-812966A12\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e40 CARB (3 CYL.)\u003c\/td\u003e\n          \u003ctd\u003e40\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998–Up (0P401000 \u0026amp; Up)\u003c\/td\u003e\n          \u003ctd\u003e46-812966A12\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e40 CARB (3 CYL.)\u003c\/td\u003e\n          \u003ctd\u003e40\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998–Up (1B227000-1B344306)\u003c\/td\u003e\n          \u003ctd\u003e46-812966A12\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e40 CARB (3 CYL.)\u003c\/td\u003e\n          \u003ctd\u003e40\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998–Up (1C000001-1C018825)\u003c\/td\u003e\n          \u003ctd\u003e46-812966A12\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e40 CARB (3 CYL.)\u003c\/td\u003e\n          \u003ctd\u003e40\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998–Up (1C018826 \u0026amp; Up)\u003c\/td\u003e\n          \u003ctd\u003e46-812966A12\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e40 EFI (3 CYL.)\u003c\/td\u003e\n          \u003ctd\u003e40\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998–Up (1C043417 \u0026amp; Up)\u003c\/td\u003e\n          \u003ctd\u003e46-812966A12\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e40 EFI (3 CYL.)\u003c\/td\u003e\n          \u003ctd\u003e40\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998–Up (0P401000-0P515896)\u003c\/td\u003e\n          \u003ctd\u003e46-812966A12\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e40 EFI (3 CYL.)\u003c\/td\u003e\n          \u003ctd\u003e40\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998–Up (1B227000-1B344398)\u003c\/td\u003e\n          \u003ctd\u003e46-812966A12\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e40 EFI (3 CYL.)\u003c\/td\u003e\n          \u003ctd\u003e40\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998–Up (1C000001-1C043416)\u003c\/td\u003e\n          \u003ctd\u003e46-812966A12\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e40 EFI (4 CYL.)\u003c\/td\u003e\n          \u003ctd\u003e40\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998–Up (0P153500-0P400999)\u003c\/td\u003e\n          \u003ctd\u003e46-812966A12\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e40 EFI (4 CYL.)\u003c\/td\u003e\n          \u003ctd\u003e40\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998–Up (0P401000-0P515896)\u003c\/td\u003e\n          \u003ctd\u003e46-812966A12\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e40 EFI (4 CYL.)\u003c\/td\u003e\n          \u003ctd\u003e40\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998–Up (0T409000-1B344306)\u003c\/td\u003e\n          \u003ctd\u003e46-812966A12\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e40 EFI (4 CYL.)\u003c\/td\u003e\n          \u003ctd\u003e40\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998–Up (1C000001-1C050251)\u003c\/td\u003e\n          \u003ctd\u003e46-812966A12\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e40 EFI (4 CYL.)\u003c\/td\u003e\n          \u003ctd\u003e40\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998–Up (0P515897 \u0026amp; Up)\u003c\/td\u003e\n          \u003ctd\u003e46-812966A12\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e40 EFI (4 CYL.)\u003c\/td\u003e\n          \u003ctd\u003e40\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998–Up (1C050252 \u0026amp; Up)\u003c\/td\u003e\n          \u003ctd\u003e46-812966A12\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e40 EFI JET (4 CYL.)\u003c\/td\u003e\n          \u003ctd\u003e40\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998–Up (1C051324 \u0026amp; Up)\u003c\/td\u003e\n          \u003ctd\u003e46-812966A12\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e40 EFI SeaPro (4 CYL.)\u003c\/td\u003e\n          \u003ctd\u003e40\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998–Up (1C453840 \u0026amp; Up)\u003c\/td\u003e\n          \u003ctd\u003e46-812966A12\u003c\/td\u003e\n          \u003ctd\u003eCat.# 90-8M0118807\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e50 EFI (4 CYL.)\u003c\/td\u003e\n          \u003ctd\u003e50\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998–Up (0P153500-0P400999)\u003c\/td\u003e\n          \u003ctd\u003e46-812966A12\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e50 EFI (4 CYL.)\u003c\/td\u003e\n          \u003ctd\u003e50\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998–Up (0P401000-0P515896)\u003c\/td\u003e\n          \u003ctd\u003e46-812966A12\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e50 EFI (4 CYL.)\u003c\/td\u003e\n          \u003ctd\u003e50\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998–Up (0P153500-0P580772)\u003c\/td\u003e\n          \u003ctd\u003e46-812966A12\u003c\/td\u003e\n          \u003ctd\u003eBelgium-made\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e50 EFI (4 CYL.)\u003c\/td\u003e\n          \u003ctd\u003e50\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998–Up (0T409000-1B355222)\u003c\/td\u003e\n          \u003ctd\u003e46-812966A12\u003c\/td\u003e\n          \u003ctd\u003eUSA-made, Cat.# 90-88387502\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e50 EFI (4 CYL.)\u003c\/td\u003e\n          \u003ctd\u003e50\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998–Up (1C000001-1C050251)\u003c\/td\u003e\n          \u003ctd\u003e46-812966A12\u003c\/td\u003e\n          \u003ctd\u003eUSA-made, Cat.# 90-883875003\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e50 EFI (4 CYL.)\u003c\/td\u003e\n          \u003ctd\u003e50\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998–Up (0P515897 \u0026amp; Up)\u003c\/td\u003e\n          \u003ctd\u003e46-812966A12\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e50 EFI (4 CYL.)\u003c\/td\u003e\n          \u003ctd\u003e50\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998–Up (1C050252 \u0026amp; Up)\u003c\/td\u003e\n          \u003ctd\u003e46-812966A12\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e60 EFI (4 CYL.)\u003c\/td\u003e\n          \u003ctd\u003e60\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998–Up (0P153500-0P400999)\u003c\/td\u003e\n          \u003ctd\u003e46-812966A12\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e60 EFI (4 CYL.)\u003c\/td\u003e\n          \u003ctd\u003e60\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998–Up (0P401000-0P515896)\u003c\/td\u003e\n          \u003ctd\u003e46-812966A12\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e60 EFI (4 CYL.)\u003c\/td\u003e\n          \u003ctd\u003e60\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998–Up (0P153500-0P580772)\u003c\/td\u003e\n          \u003ctd\u003e46-812966A12\u003c\/td\u003e\n          \u003ctd\u003eBelgium-made\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e60 EFI (4 CYL.)\u003c\/td\u003e\n          \u003ctd\u003e60\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998–Up (0T409000-1B355222)\u003c\/td\u003e\n          \u003ctd\u003e46-812966A12\u003c\/td\u003e\n          \u003ctd\u003eUSA-made, Cat.# 90-88387502\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e60 EFI (4 CYL.)\u003c\/td\u003e\n          \u003ctd\u003e60\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998–Up (1C000001-1C453839)\u003c\/td\u003e\n          \u003ctd\u003e46-812966A12\u003c\/td\u003e\n          \u003ctd\u003eUSA-made\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e60 EFI (4 CYL.)\u003c\/td\u003e\n          \u003ctd\u003e60\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998–Up (0P515897 \u0026amp; Up)\u003c\/td\u003e\n          \u003ctd\u003e46-812966A12\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e60 EFI (4 CYL.)\u003c\/td\u003e\n          \u003ctd\u003e60\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998–Up (1C050252 \u0026amp; Up)\u003c\/td\u003e\n          \u003ctd\u003e46-812966A12\u003c\/td\u003e\n          \u003ctd\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e60 EFI SeaPro (4 CYL.)\u003c\/td\u003e\n          \u003ctd\u003e60\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998–Up (1C453840 \u0026amp; Up)\u003c\/td\u003e\n          \u003ctd\u003e46-812966A12\u003c\/td\u003e\n          \u003ctd\u003eCat.# 90-8M0118807\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003eFormula 60\u003c\/td\u003e\n          \u003ctd\u003e60\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1998–Up (1C104574-1C782687)\u003c\/td\u003e\n          \u003ctd\u003e46-812966A12\u003c\/td\u003e\n          \u003ctd\u003eCat.# 90-8M0083070\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\u003c\/dd\u003e\n    \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eStainless Steel Impeller Housing\u003c\/dd\u003e\n    \u003cdt\u003eImpeller Material\u003c\/dt\u003e\n\u003cdd\u003eNeoprene\u003c\/dd\u003e\n    \u003cdt\u003eImpeller Height\u003c\/dt\u003e\n\u003cdd\u003e25.4 mm (1 inch)\u003c\/dd\u003e\n    \u003cdt\u003eImpeller Diameter\u003c\/dt\u003e\n\u003cdd\u003e79.4 mm (3-1\/8 inches)\u003c\/dd\u003e\n    \u003cdt\u003eHousing Diameter\u003c\/dt\u003e\n\u003cdd\u003e87.4 mm (3.44 inches) behind propeller (standard lower unit)\u003c\/dd\u003e\n    \u003cdt\u003eTube Seal Model\u003c\/dt\u003e\n\u003cdd\u003e859770\/893857 (long tube) for 4-stroke applications\u003c\/dd\u003e\n    \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e0.65 kg (1.43 lbs)\u003c\/dd\u003e\n    \u003cdt\u003eWarranty\u003c\/dt\u003e\n\u003cdd\u003e30 Days\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 Tube Seal (859770\/8597701\/893857)\u003c\/li\u003e\n    \u003cli\u003e1 x Pump Housing (14334A3)\u003c\/li\u003e\n    \u003cli\u003e1 x Impeller (47-19453T)\u003c\/li\u003e\n    \u003cli\u003e1 x Impeller Key (28-8M0032831)\u003c\/li\u003e\n    \u003cli\u003e1 x Gasket (27-822189)\u003c\/li\u003e\n    \u003cli\u003e1 x Wear Plate (19700A2)\u003c\/li\u003e\n    \u003cli\u003e1 x Gasket (27-19701)\u003c\/li\u003e\n    \u003cli\u003e1 x Pump Base (46-812966A7)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e2\u003c\/span\u003e x Washer-Plastic (12-858234)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e3\u003c\/span\u003e x Seal (26-830749)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e2\u003c\/span\u003e x O-Rings (805726)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e4\u003c\/span\u003e x Stainless Steel Washers\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 shift the outboard into neutral.\u003c\/li\u003e\n    \u003cli\u003eRemove the lower unit (gearcase) by unbolting it from the engine's midsection.\u003c\/li\u003e\n    \u003cli\u003eUnbolt and remove the old water pump housing to access the impeller.\u003c\/li\u003e\n    \u003cli\u003eSlide the old impeller off the drive shaft, removing the old key.\u003c\/li\u003e\n    \u003cli\u003eClean the housing and base surfaces, removing any old gasket material.\u003c\/li\u003e\n    \u003cli\u003eInstall the new gaskets, wear plate, key, and impeller. Lubricate the new impeller and housing interior with marine grease.\u003c\/li\u003e\n    \u003cli\u003eInstall the new housing, seals, and O-rings, ensuring a tight fit.\u003c\/li\u003e\n    \u003cli\u003eReinstall the lower unit, reconnect all linkages, and test the engine's cooling stream (\"telltale\") in water before operating.\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 this kit is the correct one for my engine?\u003c\/summary\u003e\n    \u003cp\u003eThis kit is specifically for 30-60 HP 4-stroke Mercury models from 1998 and newer. The key identifier is the included long tube seal (893857). Always verify your engine's serial number against the compatibility list provided.\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 the engine overheating at idle or low speeds, a weak or non-existent water stream from the \"telltale\" outlet, and a steam-like exhaust. If you notice any of these signs, inspect your water pump immediately.\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 measure, it is recommended to replace your water pump impeller every 1 to 2 years, or every 100-200 hours of operation, depending on usage conditions (e.g., saltwater vs. freshwater).\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs a stainless steel housing better than a plastic one?\u003c\/summary\u003e\n    \u003cp\u003eYes, a stainless steel housing offers superior durability, corrosion resistance, and heat dissipation compared to standard plastic housings, contributing to a longer service life, especially in harsh saltwater environments.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat is the purpose of the long tube seal in this kit?\u003c\/summary\u003e\n    \u003cp\u003eThe long tube seal (859770\/893857) is critical for ensuring a proper seal on 4-stroke models. Kits for 2-stroke engines typically use a shorter seal. Using the wrong seal can lead to water pressure loss and overheating.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eCan I install this kit myself?\u003c\/summary\u003e\n    \u003cp\u003eWhile DIY installation is possible for those with mechanical experience, professional installation is recommended to ensure all components are sealed correctly and torqued to specification, preventing leaks and ensuring proper cooling system function.\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\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":50723965370683,"sku":"66-NRGU-NJ6C","price":51.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/66-NRGU-NJ6C.png?v=1763038583","url":"https:\/\/seasierra.com\/products\/water-pump-impeller-kit-fits-mercury-mariner-force-4-stroke-30-60-hp-replaces-46-812966a12-sierra-18-3690","provider":"SeaSierra","version":"1.0","type":"link"}