{"product_id":"12687631-genuine-gm-water-pump-assembly-for-silverado-sierra-tahoe-yukon-5-3l-6-2l","title":"12687631 Genuine GM Water Pump Assembly For Silverado Sierra Tahoe Yukon 5.3L 6.2L","description":"\u003ch2 data-start=\"479\" data-end=\"779\"\u003eDescription\u003c\/h2\u003e\n\u003cp data-start=\"119\" data-end=\"405\"\u003eThe 12687631 water pump assembly is a GM cooling system component designed for trucks and sport utility vehicles equipped with 5.3L and 6.2L V8 engines. It circulates coolant through the engine block and radiator to help maintain stable operating temperature and consistent cooling system function.\u003c\/p\u003e\n\u003ch2\u003eVehicle Compatibility\u003cbr\u003e\n\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; height: 700px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 11.6688%; text-align: center; height: 19.5938px;\"\u003e\u003cstrong\u003eYear\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 23.3376%; text-align: center; height: 19.5938px;\"\u003e\u003cstrong\u003eVehicle\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 22.0588%; text-align: center; height: 19.5938px;\"\u003e\u003cstrong\u003eEngine\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 42.0396%; text-align: center; height: 19.5938px;\"\u003e\u003cstrong\u003eTrims\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 11.6688%;\"\u003e2026\u003c\/td\u003e\n\u003ctd style=\"width: 23.3376%;\"\u003eSilverado 1500\u003c\/td\u003e\n\u003ctd style=\"width: 22.0588%;\"\u003e5.3L V8 - Flex, 5.3L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 42.0396%;\"\u003eCustom Trail Boss, High Country, LT, LT Trail Boss, LTZ, PPV, RST, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 11.6688%;\"\u003e2026\u003c\/td\u003e\n\u003ctd style=\"width: 23.3376%;\"\u003eSierra 1500\u003c\/td\u003e\n\u003ctd style=\"width: 22.0588%;\"\u003e5.3L V8 - Flex, 5.3L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 42.0396%;\"\u003eDenali, Elevation, Pro, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 11.6688%;\"\u003e2025\u003c\/td\u003e\n\u003ctd style=\"width: 23.3376%;\"\u003eSilverado 1500\u003c\/td\u003e\n\u003ctd style=\"width: 22.0588%;\"\u003e5.3L V8 - Flex, 5.3L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 42.0396%;\"\u003eCustom Trail Boss, High Country, LT, LT Trail Boss, LTZ, PPV, RST, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 11.6688%;\"\u003e2025\u003c\/td\u003e\n\u003ctd style=\"width: 23.3376%;\"\u003eSierra 1500\u003c\/td\u003e\n\u003ctd style=\"width: 22.0588%;\"\u003e5.3L V8 - Flex, 5.3L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 42.0396%;\"\u003eDenali, Elevation, Pro, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 11.6688%;\"\u003e2025\u003c\/td\u003e\n\u003ctd style=\"width: 23.3376%;\"\u003eYukon XL\u003c\/td\u003e\n\u003ctd style=\"width: 22.0588%;\"\u003e6.2L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 42.0396%;\"\u003eAT4, AT4 Ultimate, Denali, Denali Ultimate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 11.6688%;\"\u003e2022\u003c\/td\u003e\n\u003ctd style=\"width: 23.3376%;\"\u003eEscalade\u003c\/td\u003e\n\u003ctd style=\"width: 22.0588%;\"\u003e6.2L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 42.0396%;\"\u003eLuxury, Premium Luxury, Premium Luxury Platinum, Sport, Sport Platinum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 11.6688%;\"\u003e2022\u003c\/td\u003e\n\u003ctd style=\"width: 23.3376%;\"\u003eEscalade ESV\u003c\/td\u003e\n\u003ctd style=\"width: 22.0588%;\"\u003e6.2L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 42.0396%;\"\u003eLuxury, Premium Luxury, Premium Luxury Platinum, Sport, Sport Platinum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 11.6688%;\"\u003e2021\u003c\/td\u003e\n\u003ctd style=\"width: 23.3376%;\"\u003eEscalade\u003c\/td\u003e\n\u003ctd style=\"width: 22.0588%;\"\u003e6.2L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 42.0396%;\"\u003eLuxury, Premium Luxury, Premium Luxury Platinum, Sport, Sport Platinum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 11.6688%;\"\u003e2021\u003c\/td\u003e\n\u003ctd style=\"width: 23.3376%;\"\u003eEscalade ESV\u003c\/td\u003e\n\u003ctd style=\"width: 22.0588%;\"\u003e6.2L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 42.0396%;\"\u003eLuxury, Premium Luxury, Premium Luxury Platinum, Sport, Sport Platinum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 11.6688%;\"\u003e2021\u003c\/td\u003e\n\u003ctd style=\"width: 23.3376%;\"\u003eSilverado 1500\u003c\/td\u003e\n\u003ctd style=\"width: 22.0588%;\"\u003e5.3L V8 - Flex, 5.3L V8 - Gas, 6.2L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 42.0396%;\"\u003eCustom, Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, SSV, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 11.6688%;\"\u003e2021\u003c\/td\u003e\n\u003ctd style=\"width: 23.3376%;\"\u003eSierra 1500\u003c\/td\u003e\n\u003ctd style=\"width: 22.0588%;\"\u003e5.3L V8 - Flex, 5.3L V8 - Gas, 6.2L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 42.0396%;\"\u003eAT4, Base, Denali, Elevation, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 11.6688%;\"\u003e2020\u003c\/td\u003e\n\u003ctd style=\"width: 23.3376%;\"\u003eSilverado 1500\u003c\/td\u003e\n\u003ctd style=\"width: 22.0588%;\"\u003e5.3L V8 - Flex, 5.3L V8 - Gas, 6.2L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 42.0396%;\"\u003eCustom, Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, SSV, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 11.6688%;\"\u003e2020\u003c\/td\u003e\n\u003ctd style=\"width: 23.3376%;\"\u003eSierra 1500\u003c\/td\u003e\n\u003ctd style=\"width: 22.0588%;\"\u003e5.3L V8 - Flex, 5.3L V8 - Gas, 6.2L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 42.0396%;\"\u003eAT4, Base, Denali, Elevation, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 11.6688%;\"\u003e2019\u003c\/td\u003e\n\u003ctd style=\"width: 23.3376%;\"\u003eSilverado 1500\u003c\/td\u003e\n\u003ctd style=\"width: 22.0588%;\"\u003e5.3L V8 - Flex, 5.3L V8 - Gas, 6.2L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 42.0396%;\"\u003eCustom, Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, SSV, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 11.6688%;\"\u003e2019\u003c\/td\u003e\n\u003ctd style=\"width: 23.3376%;\"\u003eSierra 1500\u003c\/td\u003e\n\u003ctd style=\"width: 22.0588%;\"\u003e5.3L V8 - Flex, 5.3L V8 - Gas, 6.2L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 42.0396%;\"\u003eAT4, Base, Denali, Elevation, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eGeneral Specifications\u003c\/h2\u003e\n\u003cdiv style=\"width: 100%; display: block;\"\u003e\n\u003ctable style=\"height: 195.938px; width: 100% !important; table-layout: fixed !important; display: table !important;\" class=\"product-table\"\u003e\n\u003ccolgroup\u003e \u003ccol style=\"width: 29.6364%;\"\u003e \u003ccol style=\"width: 70%;\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12687631\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWater Pump Assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eYears\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2019–2025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChevrolet Silverado 1500, Suburban, Tahoe; GMC Sierra 1500, Yukon, Yukon XL; Cadillac Escalade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.3L V8 Flex, 5.3L V8 Gas, 6.2L V8 Gas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18.12 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp data-start=\"1555\" data-end=\"1574\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2 data-start=\"1555\" data-end=\"1574\"\u003eProduct Features\u003c\/h2\u003e\n\u003cp\u003eThe 12687631 water pump assembly is manufactured to meet GM cooling system design standards:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCirculates coolant through the engine block and radiator\u003c\/li\u003e\n\u003cli\u003eDesigned for GM cooling systems used with 5.3L and 6.2L V8 engines\u003c\/li\u003e\n\u003cli\u003eAligns with factory mounting points and coolant passage locations\u003c\/li\u003e\n\u003cli\u003eMaintains coolant flow necessary for proper engine temperature regulation\u003c\/li\u003e\n\u003cli\u003eProduced to GM manufacturing tolerances for proper sealing and durability\u003c\/li\u003e\n\u003cli\u003eDesigned to operate with original GM cooling system components\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"1893\" data-end=\"1913\"\u003eApplication Notes\u003c\/h2\u003e\n\u003cp data-start=\"3420\" data-end=\"3618\"\u003eThe 12687631 water pump assembly installs on compatible GM trucks and SUVs equipped with the specified 5.3L and 6.2L V8 engines. Proper installation supports stable coolant circulation and consistent cooling system performance.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp data-end=\"2143\" data-start=\"2041\"\u003eAlways verify part number, engine configuration, and vehicle application before installation.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"GM","offers":[{"title":"Default Title","offer_id":48455276527843,"sku":"12687631","price":435.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0769\/5122\/4547\/files\/s-l1600_d3e31418-cbbd-45a2-b4f6-80ee56aede75.webp?v=1775635747","url":"https:\/\/unitautoparts.com\/products\/12687631-genuine-gm-water-pump-assembly-for-silverado-sierra-tahoe-yukon-5-3l-6-2l","provider":"Unit Auto Parts","version":"1.0","type":"link"}