{"product_id":"water-pump-repair-kit-fits-mercury-marine-mariner-6-15-hp-replaces-46-42089a5","title":"Water Pump Repair Kit – Fits Mercury Marine\/Mariner 6-15 HP (Replaces 46-42089A5)","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 \u003cstrong\u003eWater Pump Repair Kit for Mercury outboard motors\u003c\/strong\u003e is designed for a broad range of engines, including 6 to 15 HP 2-Stroke models manufactured between 1986 and 1993, and 8 to 15 HP 4-Stroke models from 1994 to 2006. It provides the essential components needed to restore cooling system performance and prevent overheating.\u003c\/p\u003e\n\u003cp\u003eThis kit serves as a direct replacement for Mercury part numbers 46-42089A5, 46-42089A4, and 46-42089A3, as well as aftermarket equivalents GLM 12051, Sierra AM46-42089A5, and AM8M0176126.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInstalls as a direct replacement for the original pump assembly.\u003c\/li\u003e\n\u003cli\u003eEngineered to meet or exceed OEM specifications for fit and function.\u003c\/li\u003e\n\u003cli\u003eIncludes the critical impeller (replaces 47-43038Q02) for a complete service.\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 suppliers.\u003c\/p\u003e\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      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003e46-42089A5\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003e46-42089A4\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003e46-42089A3\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eGLM\u003c\/td\u003e\n        \u003ctd\u003e12051\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSierra\u003c\/td\u003e\n        \u003ctd\u003eAM46-42089A5\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAftermarket\u003c\/td\u003e\n        \u003ctd\u003eAM8M0176126\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 and year in the table below to ensure correct fitment.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFor Mercury \u0026amp; Mariner Engines:\u003c\/b\u003e This kit fits a wide variety of 2-stroke and 4-stroke models from 6 HP to 15 HP made between the mid-1980s and mid-2000s, including Sea Pro and Marathon configurations.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFor Force Engines:\u003c\/b\u003e This kit is compatible with select 9.9 HP and 15 HP 2-stroke models from 1998.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine 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\u003eVarious 6 M\/ML\u003c\/td\u003e\n        \u003ctd\u003e6\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1986–2005\u003c\/td\u003e\n        \u003ctd\u003e46-42089A5\u003c\/td\u003e\n        \u003ctd\u003eIncludes models: 1006206\/07, 1006226\/27, 6M, 6ML, 6MH, 6MLH\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003eVarious 8 M\/ML\u003c\/td\u003e\n        \u003ctd\u003e8\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1986–2005\u003c\/td\u003e\n        \u003ctd\u003e46-42089A5\u003c\/td\u003e\n        \u003ctd\u003eIncludes models: 1008206\/07, 1008226\/27, 8M, 8ML, 8MH, 8MLH\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003eVarious 9.9 M\/ML\/E\/EL\u003c\/td\u003e\n        \u003ctd\u003e9.9\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1986–2004\u003c\/td\u003e\n        \u003ctd\u003e46-42089A5\u003c\/td\u003e\n        \u003ctd\u003eIncludes models: 1010136\/56\/57\/87, etc.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003eVarious 15 M\/ML\/E\/EL\u003c\/td\u003e\n        \u003ctd\u003e15\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1988–2004\u003c\/td\u003e\n        \u003ctd\u003e46-42089A5\u003c\/td\u003e\n        \u003ctd\u003eMultiple configurations including Sea Pro \u0026amp; Marathon\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003eVarious 8 M\/ML\u003c\/td\u003e\n        \u003ctd\u003e8\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2000–2006\u003c\/td\u003e\n        \u003ctd\u003e46-42089A5\u003c\/td\u003e\n        \u003ctd\u003eModels: 1B08203\/213 series, includes Belgian \u0026amp; US-made\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003eVarious 9.9 M\/ML\u003c\/td\u003e\n        \u003ctd\u003e9.9\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1996–2004\u003c\/td\u003e\n        \u003ctd\u003e46-42089A5\u003c\/td\u003e\n        \u003ctd\u003eModels: 1F10203\/213 series\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003eVarious 15 M\/ML\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\u003e46-42089A5\u003c\/td\u003e\n        \u003ctd\u003eModels: 1F15203\/213 series\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMariner\u003c\/td\u003e\n        \u003ctd\u003e8 ML\/ALT\u003c\/td\u003e\n        \u003ctd\u003e8\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1987\u003c\/td\u003e\n        \u003ctd\u003e46-42089A5\u003c\/td\u003e\n        \u003ctd\u003eModel: 7008237\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMariner\u003c\/td\u003e\n        \u003ctd\u003e9.9 M\/ML\/E\/EL\u003c\/td\u003e\n        \u003ctd\u003e9.9\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1987\u003c\/td\u003e\n        \u003ctd\u003e46-42089A5\u003c\/td\u003e\n        \u003ctd\u003eModels: 7010207\/227\/507\/527\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eForce\u003c\/td\u003e\n        \u003ctd\u003eVarious 9.9\/15 MH\/MLH\u003c\/td\u003e\n        \u003ctd\u003e9.9-15\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1998\u003c\/td\u003e\n        \u003ctd\u003e46-42089A5\u003c\/td\u003e\n        \u003ctd\u003eModels: H009201\/211, H015201\/211 series\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\u003eOutboard Water Pump Repair Kit\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eDirect Replacement\u003c\/dd\u003e\n  \u003cdt\u003eContains\u003c\/dt\u003e\n\u003cdd\u003eImpeller #47-43038Q02\u003c\/dd\u003e\n  \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003e117.6 mm L × 98.5 mm W × 98.5 mm H (4.63 × 3.88 × 3.88 in)\u003c\/dd\u003e\n  \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e0.313 kg (0.69 lb)\u003c\/dd\u003e\n  \u003cdt\u003eWarranty\u003c\/dt\u003e\n\u003cdd\u003eVaries by seller (1 year standard)\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 \u003cspan style=\"color:#d0021b;\"\u003eWater Pump Impeller (47-43038Q02)\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003cli\u003e1 x Impeller Base Gasket\u003c\/li\u003e\n  \u003cli\u003e1 x Water Pump Housing Gasket\u003c\/li\u003e\n  \u003cli\u003e1 x Impeller Key\u003c\/li\u003e\n  \u003cli\u003e1 x Drive Shaft Seal\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eDisconnect the battery and remove the engine cover.\u003c\/li\u003e\n  \u003cli\u003eDrain the gearcase oil from the lower unit.\u003c\/li\u003e\n  \u003cli\u003eUnbolt and remove the lower unit (gearcase) from the outboard's midsection.\u003c\/li\u003e\n  \u003cli\u003eLocate and unbolt the water pump housing to access the old impeller and gaskets.\u003c\/li\u003e\n  \u003cli\u003eRemove the old impeller, key, gaskets, and seals. Clean all mating surfaces thoroughly.\u003c\/li\u003e\n  \u003cli\u003eInstall the new gaskets, drive shaft seal, and impeller key.\u003c\/li\u003e\n  \u003cli\u003eSlide the new impeller into the housing while turning the driveshaft clockwise to seat the vanes correctly.\u003c\/li\u003e\n  \u003cli\u003eReinstall the water pump housing, ensuring bolts are torqued to manufacturer specifications.\u003c\/li\u003e\n  \u003cli\u003eReattach the lower unit to the midsection and refill the gearcase with fresh oil.\u003c\/li\u003e\n  \u003cli\u003eReconnect the battery and test the engine in a suitable water source, verifying water is exiting the tell-tale port.\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 water pump kit will fit my specific engine model?\u003c\/summary\u003e\n  \u003cp\u003eThe surest way is to check your engine's part manual for part number 46-42089A5. You can also review the 'Engine \u0026amp; Model Compatibility' table on this page. Cross-reference your engine's brand, model, horsepower, and year to confirm a match.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are the common signs of a failing water pump?\u003c\/summary\u003e\n  \u003cp\u003eSymptoms 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 can also be an indicator.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow often should I replace my outboard's water pump impeller?\u003c\/summary\u003e\n  \u003cp\u003eAs a general rule, it's recommended to inspect the impeller annually and replace it every 1-2 years or every 100-200 hours of operation, whichever comes first. This interval can be shorter if you frequently operate in sandy or silty water.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDoes this kit contain the\nplastic water pump housing?\u003c\/summary\u003e\n  \u003cp\u003eNo, this is a repair kit focused on the wear items. It contains the impeller, gaskets, and seals. The housing is sold separately if yours is cracked, warped, or excessively worn.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this a difficult part to install?\u003c\/summary\u003e\n  \u003cp\u003eFor those with mechanical experience and the right tools, it is a manageable DIY job that takes 1-2 hours. However, it involves removing the lower unit. If you are not comfortable with this process, we recommend professional installation.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhy is my engine still overheating after installing the new kit?\u003c\/summary\u003e\n  \u003cp\u003eCheck for blockages in the cooling water passages, a stuck thermostat, or incorrect installation (e.g., a folded impeller vane or leaking gasket). Ensure all sealing surfaces were clean and bolts were torqued properly.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat is the difference between OEM and aftermarket parts?\u003c\/summary\u003e\n  \u003cp\u003eThis listing is an aftermarket replacement (not OEM). It is built to OEM-level specifications with comparable materials. Our parts are manufactured in an ISO 9002 certified facility and are batch-inspected for quality and consistency.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow fast do you ship and what does it cost?\u003c\/summary\u003e\n  \u003cp\u003eWe ship worldwide quickly—typical transit is 5–15 days for most regions. Standard shipping is free, and expedited options will appear at checkout if they are available for your location.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat is the warranty and return policy?\u003c\/summary\u003e\n  \u003cp\u003eThis part is covered by a 1-year warranty against manufacturing defects under normal use conditions. If you experience an issue, 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 packaging. 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. 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 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 QC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723980968251,"sku":"18KM004","price":60.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Water_Pump_Repair_Kit_for_Mercury_6_8_99_15_HP__46-42089A5_-_JLM_MARINE-8286321.jpg?v=1763039243","url":"https:\/\/seasierra.com\/products\/water-pump-repair-kit-fits-mercury-marine-mariner-6-15-hp-replaces-46-42089a5","provider":"SeaSierra","version":"1.0","type":"link"}