{"product_id":"water-pump-for-gm-big-block-7-4-8-2-409-454-502-850454-18-3577-18-3574-9-42604","title":"Water Pump For GM Big Block 7.4 8.2 409 454 502 850454, 18-3577, 18-3574 9-42604","description":"\u003ch2\u003eWater Pump for GM Big Block\u003c\/h2\u003e\u003cp\u003eThis water pump is a direct replacement for GM big block engines, cross-referenced with OEM numbers 850454, 18-3577, 18-3574, and 9-42604, designed to circulate coolant and maintain optimal engine temperature.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis water pump provides reliable coolant circulation for GM big block engines including 7.4L, 8.2L, 409, 454, and 502. It is a high-quality aftermarket water pump built to match OEM specifications and ensure proper cooling system function. Ideal for replacement or restoration of vehicles equipped with a GM big block water pump.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-machined cast iron housing for durability\u003c\/li\u003e\n\u003cli\u003eHigh-flow impeller design for efficient coolant movement\u003c\/li\u003e\n\u003cli\u003eLong-life sealed bearing for smooth operation\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant finish to withstand coolant exposure\u003c\/li\u003e\n\u003cli\u003eIncludes necessary gasket for installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor GM 7.4L big block\u003c\/li\u003e\n\u003cli\u003efor GM 8.2L big block\u003c\/li\u003e\n\u003cli\u003efor GM 409\u003c\/li\u003e\n\u003cli\u003efor GM 454\u003c\/li\u003e\n\u003cli\u003efor GM 502\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or leaking water pumps in GM big block vehicles\u003c\/li\u003e\n\u003cli\u003eCooling system rebuilds in classic trucks and muscle cars\u003c\/li\u003e\n\u003cli\u003eHigh-performance engine builds requiring dependable coolant flow\u003c\/li\u003e\n\u003cli\u003eRestoration projects for Chevrolet and GMC models\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\u003e850454, 18-3577, 18-3574, 9-42604\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Fitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGM Big Block 7.4L, 8.2L, 409, 454, 502\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 water pump require a new gasket? \u003cstrong\u003eA:\u003c\/strong\u003e A new gasket is typically included, but it is recommended to use a fresh gasket and sealant for proper installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is this water pump for a reverse rotation system? \u003cstrong\u003eA:\u003c\/strong\u003e This water pump is designed for standard rotation as used in most GM big block applications; verify your belt drive system.\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":44957292527702,"sku":"ZZ2Y02349","price":215.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/57_1d5a5e4f-ce57-4a47-a2e6-b3fd8a35558b.jpg?v=1781568274","url":"https:\/\/www.solidspare.com\/products\/water-pump-for-gm-big-block-7-4-8-2-409-454-502-850454-18-3577-18-3574-9-42604","provider":"Solid Spare","version":"1.0","type":"link"}