{"product_id":"12731368-genuine-gm-fuel-injection-pump-for-silverado-sierra-6-6l-diesel","title":"12731368 Genuine GM Fuel Injection Pump For Silverado Sierra 6.6L Diesel","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe 12731368 is a genuine GM high-pressure fuel injection pump used with the specified Chevrolet Silverado HD and GMC Sierra HD 6.6L V8 diesel applications. It creates the pressure needed to move diesel fuel into the engine’s injection circuit while retaining the factory fuel-system arrangement.\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\u003e12731368\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 12731368 high-pressure fuel injection pump is configured around the operating requirements of the applicable GM diesel fuel system:\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePressurizes diesel fuel before it enters the engine injection circuit\u003c\/li\u003e\n\u003cli\u003eFunctions with the 6.6L V8 diesel system used in the specified Silverado HD and Sierra HD trucks\u003c\/li\u003e\n\u003cli\u003eRoutes pressurized fuel to the corresponding engine-side injection components\u003c\/li\u003e\n\u003cli\u003eConnects at the designated fuel fittings provided for the high-pressure pump assembly\u003c\/li\u003e\n\u003cli\u003eUses the established GM mounting position without altering the surrounding fuel-system layout\u003c\/li\u003e\n\u003cli\u003eRequires attention to the associated seal and bolt identified as service components during installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplication Notes\u003c\/h2\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe 12731368 is specified for applicable Chevrolet Silverado HD and GMC Sierra HD configurations equipped with the corresponding 6.6L V8 diesel fuel system. Keep the fuel circuit clean while disconnected and inspect the pump mounting area and connections before assembly.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp\u003eVerify part number, VIN, model year, 6.6L V8 diesel configuration, fuel-system layout, connection points, and applicable factory options before installation.\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"GM","offers":[{"title":"Default Title","offer_id":49528001921251,"sku":"12731368","price":725.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0769\/5122\/4547\/files\/s-l1600_97f9008b-6d38-40ef-80a8-7f24b1f65d8e.webp?v=1786627380","url":"https:\/\/unitautoparts.com\/products\/12731368-genuine-gm-fuel-injection-pump-for-silverado-sierra-6-6l-diesel","provider":"Unit Auto Parts","version":"1.0","type":"link"}