{"product_id":"mercruiser-alpha-one-gen-1-86-90-water-pump-impeller-kit-w-housing-18-3320","title":"Mercruiser Alpha One Gen 1 ('86-'90) Water Pump Impeller Kit w\/ Housing 18-3320","description":"\u003ch2\u003eWater Pump Impeller Kit for Mercruiser Alpha One Gen 1\u003c\/h2\u003e\u003cp\u003eThis Water Pump Impeller Kit with housing (18-3320) is a replacement cooling component for Mercruiser Alpha One Gen 1 sterndrives built from 1986 through 1990.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis Water Pump Impeller Kit with housing is designed to replace the raw-water pump impeller on Mercruiser Alpha One Gen 1 marine drives. It includes the impeller and housing together so the cooling system can be serviced as a complete set. This Water Pump Impeller Kit fits 1986-1990 Alpha One Gen 1 units and keeps water flowing through the engine at the right pressure.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eIncludes replacement water pump housing and impeller in one kit\u003c\/li\u003e\n\u003cli\u003eReplaces OEM part number 18-3320\u003c\/li\u003e\n\u003cli\u003eFits 1986-1990 Mercruiser Alpha One Gen 1 sterndrive applications\u003c\/li\u003e\n\u003cli\u003eDesigned for raw-water cooling system service\u003c\/li\u003e\n\u003cli\u003eSupports consistent water flow to prevent engine overheating\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Mercruiser Alpha One Gen 1 (1986-1990)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMarine maintenance when replacing a worn water pump impeller\u003c\/li\u003e\n\u003cli\u003eRestoring cooling system pressure after impeller failure\u003c\/li\u003e\n\u003cli\u003eServicing Mercruiser Alpha One Gen 1 sterndrive outdrives\u003c\/li\u003e\n\u003cli\u003ePreventing overheating during long boating sessions\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\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1986-1990 Mercruiser Alpha One Gen 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKit Includes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWater pump housing and impeller\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 Why does the water pump impeller kit need a housing? \u003cstrong\u003eA:\u003c\/strong\u003e The housing shapes the water flow around the impeller, which lets the pump maintain pressure and cool the engine effectively. Replacing the housing along with the impeller helps ensure a proper seal and flow.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can this kit be used on a 1986-1990 Mercruiser Alpha One Gen 1? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, it is designed for those Alpha One Gen 1 sterndrive models, but always confirm your serial number before ordering.\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":45556773388374,"sku":"ZZ3E02402","price":75.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_fd8337fd-9cca-4853-9847-667adf8b26d4.jpg?v=1789227370","url":"https:\/\/www.solidspare.com\/products\/mercruiser-alpha-one-gen-1-86-90-water-pump-impeller-kit-w-housing-18-3320","provider":"Solid Spare","version":"1.0","type":"link"}