{"product_id":"mercruiser-marine-water-pump-kit-mr-alpha-1-s-n-6854393-0d469858-sierra-18-3320","title":"MerCruiser Marine Water Pump Kit MR\/Alpha 1 S\/N 6854393-0D469858 Sierra 18-3320","description":"\u003ch2\u003eMarine Water Pump Kit for MerCruiser\u003c\/h2\u003e\u003cp\u003eThis marine water pump kit is designed for MerCruiser MR\/Alpha 1 sterndrives, providing a reliable replacement for the original water pump. It includes Sierra 18-3320 cross-reference and fits serial numbers 6854393 through 0D469858.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis water pump kit for MerCruiser MR\/Alpha 1 drives delivers essential cooling for your engine, ensuring optimal performance. It is a direct replacement that matches OEM specifications and includes all necessary components for a complete overhaul.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eIncludes impeller, housing, gaskets, and seals\u003c\/li\u003e\n\u003cli\u003eHigh-quality materials resist wear and corrosion\u003c\/li\u003e\n\u003cli\u003ePrecision-machined components ensure proper water flow\u003c\/li\u003e\n\u003cli\u003eEasy to install with basic tools\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor MerCruiser MR drive\u003c\/li\u003e\n\u003cli\u003efor MerCruiser Alpha One\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eReplaces a worn water pump impeller to prevent overheating\u003c\/li\u003e\n\u003cli\u003eUsed during routine maintenance of MerCruiser sterndrives\u003c\/li\u003e\n\u003cli\u003eEnsures reliable cooling for both saltwater and freshwater boating\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18-3320\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMerCruiser MR\/Alpha 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSerial Number Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6854393-0D469858\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this kit include the impeller? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the kit comes with a new impeller, housing, gaskets, and seals for a complete water pump rebuild.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is this a direct OEM replacement? \u003cstrong\u003eA:\u003c\/strong\u003e It matches the original MerCruiser water pump specifications and is cross-referenced as Sierra 18-3320.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":45556773322838,"sku":"ZZ3E02400","price":75.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_a143e778-243b-4cde-ab1b-4d98edb46588.jpg?v=1789227355","url":"https:\/\/www.solidspare.com\/products\/mercruiser-marine-water-pump-kit-mr-alpha-1-s-n-6854393-0d469858-sierra-18-3320","provider":"Solid Spare","version":"1.0","type":"link"}