{"product_id":"water-pump-gm-marine-small-block-4-3l-5-0l-5-7l-18-3506-18-3583-18-3599","title":"Water Pump GM Marine Small Block 4.3L 5.0L 5.7L # 18-3506, 18-3583, 18-3599","description":"\u003ch2\u003eWater Pump for GM Marine Small Block\u003c\/h2\u003e\u003cp\u003eThis marine water pump is a direct replacement for small block GM engines with 4.3L, 5.0L, or 5.7L displacements, cross-referencing OEM numbers 18-3506, 18-3583, and 18-3599.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis water pump is designed for marine applications on GM small block engines ranging from 4.3L to 5.7L. It circulates coolant to maintain engine temperature in freshwater or saltwater environments, replacing worn factory pumps. The included OEM cross-reference numbers ensure proper fit for common GM marine configurations.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eDesigned for GM small block marine engines (4.3L, 5.0L, 5.7L)\u003c\/li\u003e\n\u003cli\u003eConstructed from corrosion-resistant materials for marine use\u003c\/li\u003e\n\u003cli\u003eDirect replacement for OEM pumps with part numbers 18-3506, 18-3583, 18-3599\u003c\/li\u003e\n\u003cli\u003eIncludes gasket for easy installation\u003c\/li\u003e\n\u003cli\u003eReliable coolant flow for engine cooling in demanding conditions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eReplacing worn water pumps on GM-powered boats\u003c\/li\u003e\n\u003cli\u003eRestoring cooling system performance in small block marine engines\u003c\/li\u003e\n\u003cli\u003eIdeal for freshwater or saltwater recreational and commercial vessels\u003c\/li\u003e\n\u003cli\u003eCommonly used in ski boats, fishing boats, and cruisers with GM 4.3L-5.7L engines\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\u003e18-3506, 18-3583, 18-3599\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Displacement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.3L, 5.0L, 5.7L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWater Pump - Marine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMarine\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 Will this water pump fit a 1990 Mercruiser 5.7L engine? \u003cstrong\u003eA:\u003c\/strong\u003e This pump is designed for GM small block marine engines; check your specific engine model and OEM cross-reference numbers to confirm fitment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this pump include a gasket? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the pump comes with the necessary gasket for a proper seal during installation.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":44957599826006,"sku":"ZZ2Y02308","price":174.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/57_f34ca049-19cb-47e0-bfac-b6bb4c0d64dd.jpg?v=1781569457","url":"https:\/\/www.solidspare.com\/products\/water-pump-gm-marine-small-block-4-3l-5-0l-5-7l-18-3506-18-3583-18-3599","provider":"Solid Spare","version":"1.0","type":"link"}