{"product_id":"12676904-genuine-gm-fuel-injection-pump-for-silverado-sierra-6-6l-diesel","title":"12676904 Genuine GM Fuel Injection Pump For Silverado Sierra 6.6L Diesel","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe 12676904 is a genuine GM high-pressure fuel injection pump specified for Chevrolet Silverado HD and GMC Sierra HD applications equipped with the 6.6L V8 diesel engine. It generates the fuel pressure required by the diesel injection system while connecting to the original GM fuel circuit and mounting points.\u003c\/p\u003e\n\u003ch2\u003eVehicle Compatibility\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; height: 500px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 6.29496%; text-align: center; height: 19.6px;\" align=\"right\"\u003e\u003cstrong\u003eYear\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 17.9856%; text-align: center; height: 19.6px;\"\u003e\u003cstrong\u003eVehicle\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 28.5971%; text-align: center; height: 19.6px;\"\u003e\u003cstrong\u003eEngine\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 46.223%; text-align: center; height: 19.6px;\"\u003e\u003cstrong\u003eTrims\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.29496%;\"\u003e2026\u003c\/td\u003e\n\u003ctd style=\"width: 17.9856%;\"\u003eGMC Sierra 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 28.5971%;\"\u003e6.6L V8 - Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 46.223%;\"\u003eAT4, AT4X, Denali, Denali Ultimate, Pro, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.29496%;\"\u003e2025\u003c\/td\u003e\n\u003ctd style=\"width: 17.9856%;\"\u003eChevrolet Silverado 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 28.5971%;\"\u003e6.6L V8 - Diesel, 6.6L V8 - Flex, 6.6L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 46.223%;\"\u003eCustom, High Country, LT, LTZ, WT, ZR2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.29496%;\"\u003e2025\u003c\/td\u003e\n\u003ctd style=\"width: 17.9856%;\"\u003eChevrolet Silverado 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 28.5971%;\"\u003e6.6L V8 - Diesel, 6.6L V8 - Flex, 6.6L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 46.223%;\"\u003eHigh Country, LT, LTZ, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.29496%;\"\u003e2025\u003c\/td\u003e\n\u003ctd style=\"width: 17.9856%;\"\u003eGMC Sierra 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 28.5971%;\"\u003e6.6L V8 - Diesel, 6.6L V8 - Flex, 6.6L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 46.223%;\"\u003eAT4, AT4X, Denali, Denali Ultimate, Pro, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.29496%;\"\u003e2025\u003c\/td\u003e\n\u003ctd style=\"width: 17.9856%;\"\u003eGMC Sierra 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 28.5971%;\"\u003e6.6L V8 - Diesel, 6.6L V8 - Flex, 6.6L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 46.223%;\"\u003eAT4, Denali, Denali Ultimate, Pro, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.29496%;\"\u003e2024\u003c\/td\u003e\n\u003ctd style=\"width: 17.9856%;\"\u003eChevrolet Silverado 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 28.5971%;\"\u003e6.6L V8 - Diesel, 6.6L V8 - Flex, 6.6L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 46.223%;\"\u003eCustom, High Country, LT, LTZ, WT, ZR2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.29496%;\"\u003e2024\u003c\/td\u003e\n\u003ctd style=\"width: 17.9856%;\"\u003eChevrolet Silverado 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 28.5971%;\"\u003e6.6L V8 - Diesel, 6.6L V8 - Flex, 6.6L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 46.223%;\"\u003eHigh Country, LT, LTZ, WT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.29496%;\"\u003e2024\u003c\/td\u003e\n\u003ctd style=\"width: 17.9856%;\"\u003eGMC Sierra 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 28.5971%;\"\u003e6.6L V8 - Diesel, 6.6L V8 - Flex, 6.6L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 46.223%;\"\u003eAT4, AT4X, Denali, Denali Ultimate, Pro, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.29496%;\"\u003e2024\u003c\/td\u003e\n\u003ctd style=\"width: 17.9856%;\"\u003eGMC Sierra 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 28.5971%;\"\u003e6.6L V8 - Diesel, 6.6L V8 - Flex, 6.6L V8 - Gas\u003c\/td\u003e\n\u003ctd style=\"width: 46.223%;\"\u003eAT4, Denali, Denali Ultimate, Pro, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.29496%;\"\u003e2023\u003c\/td\u003e\n\u003ctd style=\"width: 17.9856%;\"\u003eGMC Sierra 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 28.5971%;\"\u003e6.6L V8 - Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 46.223%;\"\u003eAT4, Denali, Pro, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.29496%;\"\u003e2022\u003c\/td\u003e\n\u003ctd style=\"width: 17.9856%;\"\u003eGMC Sierra 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 28.5971%;\"\u003e6.6L V8 - Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 46.223%;\"\u003eAT4, Denali, Pro, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.29496%;\"\u003e2021\u003c\/td\u003e\n\u003ctd style=\"width: 17.9856%;\"\u003eGMC Sierra 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 28.5971%;\"\u003e6.6L V8 - Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 46.223%;\"\u003eAT4, Base, Denali, SLE, SLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 6.29496%;\"\u003e2020\u003c\/td\u003e\n\u003ctd style=\"width: 17.9856%;\"\u003eGMC Sierra 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 28.5971%;\"\u003e6.6L V8 - Diesel\u003c\/td\u003e\n\u003ctd style=\"width: 46.223%;\"\u003eAT4, Base, Denali, 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 class=\"product-table\" style=\"height: 215.6px; width: 100% !important; table-layout: fixed !important; display: table !important;\"\u003e\n\u003ccolgroup\u003e \u003ccol style=\"width: 25.7194%;\"\u003e \u003ccol style=\"width: 73.9209%;\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\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: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12676904\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\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: 19.6px;\"\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-Pressure Fuel Injection Pump\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eYears\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2020–2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChevrolet Silverado HD, GMC Sierra HD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6.6L V8 Diesel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFuel System Function\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-Pressure Diesel Fuel Delivery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10.4 × 9.7 × 8.5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12.30 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFitment Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDirect Replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelated Service Parts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSeal and Bolt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct Features\u003c\/h2\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe 12676904 high-pressure fuel injection pump is configured for the fuel delivery system used on the listed GM heavy-duty trucks:\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBuilds the high fuel pressure required for operation of the diesel injection system\u003c\/li\u003e\n\u003cli\u003eFunctions with the 6.6L V8 diesel fuel configuration specified for Silverado HD and Sierra HD trucks\u003c\/li\u003e\n\u003cli\u003eConnects with the existing fuel supply and injection-system components at the designated pump location\u003c\/li\u003e\n\u003cli\u003eDelivers pressurized fuel through the engine-side injection circuit during normal operation\u003c\/li\u003e\n\u003cli\u003eUses the mounting and fuel connection arrangement specified for the applicable GM diesel system\u003c\/li\u003e\n\u003cli\u003eWorks with the related seal and bolt identified as service components for installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplication Notes\u003c\/h2\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe 12676904 is intended for the applicable Chevrolet Silverado HD and GMC Sierra HD trucks using the specified 6.6L V8 diesel fuel system. The related seal and bolt are identified as non-reusable service items and should be addressed according to the proper installation procedure.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp\u003eVerify part number, VIN, model year, 6.6L V8 diesel configuration, fuel-system setup, and applicable factory equipment before installation.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"GM","offers":[{"title":"Default Title","offer_id":49527996514531,"sku":"12676904","price":725.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0769\/5122\/4547\/files\/12731367_b60db1da-0710-482e-b729-50841e9436f5.png?v=1788533666","url":"https:\/\/unitautoparts.com\/products\/12676904-genuine-gm-fuel-injection-pump-for-silverado-sierra-6-6l-diesel","provider":"Unit Auto Parts","version":"1.0","type":"link"}