{"product_id":"12731368-genuine-gm®-hp4-injection-pump","title":"12731368 | Genuine GM® HP4 Injection Pump","description":"\u003cp\u003e\u003cstrong\u003eDescription: \u003c\/strong\u003eHP4 Fuel Injection Pump For 2017-2020 GMC Silverado, Sierra, International CV\u003cbr\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e New\u003cbr\u003e\u003cstrong\u003eBrand: \u003c\/strong\u003eGM®\u003cbr\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e \u003cspan\u003e12731368\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment \u003cspan\u003e12731368\u003c\/span\u003e:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 100.036%; height: 254.8px;\" class=\"table\"\u003e\n\u003cthead class=\"table-bordered\"\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 18.5627%; height: 19.6px;\" class=\"table-bordered active\"\u003eYear(s)\u003c\/th\u003e\n\u003cth style=\"width: 37.2906%; height: 19.6px;\" class=\"table-bordered active\"\u003eVehicle\u003c\/th\u003e\n\u003cth style=\"width: 40.7599%; height: 19.6px;\" class=\"table-bordered active\"\u003eEngine\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody class=\"table-condensed\"\u003e\n\u003ctr style=\"height: 19.6px;\" class=\"table-bordered ng-scope\"\u003e\n\u003ctd style=\"width: 18.5627%; height: 19.6px;\" class=\"table-bordered ng-binding ng-scope\"\u003e2017 - 2020\u003c\/td\u003e\n\u003ctd style=\"width: 37.2906%; height: 19.6px;\" class=\"table-bordered ng-binding\"\u003eGMC Silverado 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 40.7599%; height: 19.6px;\" class=\"table-bordered ng-binding\"\u003eGeneral Motors (GM) 6.6L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\" class=\"table-bordered ng-scope\"\u003e\n\u003ctd style=\"width: 18.5627%; height: 19.6px;\" class=\"table-bordered ng-binding ng-scope\"\u003e2017 - 2020\u003c\/td\u003e\n\u003ctd style=\"width: 37.2906%; height: 19.6px;\" class=\"table-bordered ng-binding\"\u003eGMC Sierra 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 40.7599%; height: 19.6px;\" class=\"table-bordered ng-binding\"\u003eGeneral Motors (GM) 6.6L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\" class=\"table-bordered ng-scope\"\u003e\n\u003ctd style=\"width: 18.5627%; height: 19.6px;\" class=\"table-bordered ng-binding ng-scope\"\u003e2017 - 2020\u003c\/td\u003e\n\u003ctd style=\"width: 37.2906%; height: 19.6px;\" class=\"table-bordered ng-binding\"\u003eGMC Sierra 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 40.7599%; height: 19.6px;\" class=\"table-bordered ng-binding\"\u003eGeneral Motors (GM) 6.6L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\" class=\"table-bordered ng-scope\"\u003e\n\u003ctd style=\"width: 18.5627%; height: 19.6px;\" class=\"table-bordered ng-binding ng-scope\"\u003e2017 - 2020\u003c\/td\u003e\n\u003ctd style=\"width: 37.2906%; height: 19.6px;\" class=\"table-bordered ng-binding\"\u003eGMC Silverado 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 40.7599%; height: 19.6px;\" class=\"table-bordered ng-binding\"\u003eGeneral Motors (GM) 6.6L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\" class=\"table-bordered ng-scope\"\u003e\n\u003ctd style=\"width: 18.5627%; height: 19.6px;\" class=\"table-bordered ng-binding ng-scope\"\u003e2017 - 2020\u003c\/td\u003e\n\u003ctd style=\"width: 37.2906%; height: 19.6px;\" class=\"table-bordered ng-binding\"\u003eGMC Silverado 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 40.7599%; height: 19.6px;\" class=\"table-bordered ng-binding\"\u003eGeneral Motors (GM) 6.0L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\" class=\"table-bordered ng-scope\"\u003e\n\u003ctd style=\"width: 18.5627%; height: 19.6px;\" class=\"table-bordered ng-binding ng-scope\"\u003e2017 - 2020\u003c\/td\u003e\n\u003ctd style=\"width: 37.2906%; height: 19.6px;\" class=\"table-bordered ng-binding\"\u003eGMC Sierra 2500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 40.7599%; height: 19.6px;\" class=\"table-bordered ng-binding\"\u003eGeneral Motors (GM) 6.0L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\" class=\"table-bordered ng-scope\"\u003e\n\u003ctd style=\"width: 18.5627%; height: 19.6px;\" class=\"table-bordered ng-binding ng-scope\"\u003e2017 - 2020\u003c\/td\u003e\n\u003ctd style=\"width: 37.2906%; height: 19.6px;\" class=\"table-bordered ng-binding\"\u003eGMC Sierra 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 40.7599%; height: 19.6px;\" class=\"table-bordered ng-binding\"\u003eGeneral Motors (GM) 6.0L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\" class=\"table-bordered ng-scope\"\u003e\n\u003ctd style=\"width: 18.5627%; height: 19.6px;\" class=\"table-bordered ng-binding ng-scope\"\u003e2017 - 2020\u003c\/td\u003e\n\u003ctd style=\"width: 37.2906%; height: 19.6px;\" class=\"table-bordered ng-binding\"\u003eGMC Silverado 3500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 40.7599%; height: 19.6px;\" class=\"table-bordered ng-binding\"\u003eGeneral Motors (GM) 6.0L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\" class=\"table-bordered ng-scope\"\u003e\n\u003ctd style=\"width: 18.5627%; height: 19.6px;\" class=\"table-bordered ng-binding ng-scope\"\u003e2019 - 2020\u003c\/td\u003e\n\u003ctd style=\"width: 37.2906%; height: 19.6px;\" class=\"table-bordered ng-binding\"\u003eGMC Silverado 4500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 40.7599%; height: 19.6px;\" class=\"table-bordered ng-binding\"\u003eGeneral Motors (GM) 6.6L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\" class=\"table-bordered ng-scope\"\u003e\n\u003ctd style=\"width: 18.5627%; height: 19.6px;\" class=\"table-bordered ng-binding ng-scope\"\u003e2019 - 2020\u003c\/td\u003e\n\u003ctd style=\"width: 37.2906%; height: 19.6px;\" class=\"table-bordered ng-binding\"\u003eGMC Silverado 5500D\u003c\/td\u003e\n\u003ctd style=\"width: 40.7599%; height: 19.6px;\" class=\"table-bordered ng-binding\"\u003eGeneral Motors (GM) 6.6L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\" class=\"table-bordered ng-scope\"\u003e\n\u003ctd style=\"width: 18.5627%; height: 19.6px;\" class=\"table-bordered ng-binding ng-scope\"\u003e2019 - 2020\u003c\/td\u003e\n\u003ctd style=\"width: 37.2906%; height: 19.6px;\" class=\"table-bordered ng-binding\"\u003eGMC Silverado 6500 HD\u003c\/td\u003e\n\u003ctd style=\"width: 40.7599%; height: 19.6px;\" class=\"table-bordered ng-binding\"\u003eGeneral Motors (GM) 6.6L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\" class=\"table-bordered ng-scope\"\u003e\n\u003ctd style=\"width: 18.5627%; height: 19.6px;\" class=\"table-bordered ng-binding ng-scope\"\u003e2019 - 2020\u003c\/td\u003e\n\u003ctd style=\"width: 37.2906%; height: 19.6px;\" class=\"table-bordered ng-binding\"\u003eInternational CV\u003c\/td\u003e\n\u003ctd style=\"width: 40.7599%; height: 19.6px;\" class=\"table-bordered ng-binding\"\u003eNavistar-International 6.6L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-end=\"138\" data-start=\"0\"\u003e\u003cstrong data-end=\"51\" data-start=\"28\"\u003e\u003cbr\u003e\u003c\/strong\u003eFuel Injection Pump \u003cstrong\u003e12731368 \u003c\/strong\u003eis a crucial component in many diesel engines (and some older gasoline engines). It’s responsible for delivering the right amount of fuel, at the right pressure, and at the right time to each cylinder for efficient combustion.\u003cbr\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e \n\u003cul\u003e\n\u003cli data-start=\"981\" data-end=\"1063\"\u003e\n\u003cp data-start=\"984\" data-end=\"1063\"\u003e\u003cstrong data-start=\"984\" data-end=\"1002\"\u003eFuel Delivery:\u003c\/strong\u003e Low-pressure fuel from the tank enters the injection pump.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1064\" data-end=\"1184\"\u003e\n\u003cp data-start=\"1067\" data-end=\"1184\"\u003e\u003cstrong data-start=\"1067\" data-end=\"1086\"\u003ePressurization:\u003c\/strong\u003e The pump uses internal plungers or pistons to build pressure (often 15,000–30,000 psi or more).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1185\" data-end=\"1291\"\u003e\n\u003cp data-start=\"1188\" data-end=\"1291\"\u003e\u003cstrong data-start=\"1188\" data-end=\"1207\"\u003eTiming Control:\u003c\/strong\u003e The pump sends fuel to each injector in sync with the engine’s camshaft position.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1292\" data-end=\"1401\"\u003e\n\u003cp data-start=\"1295\" data-end=\"1401\"\u003e\u003cstrong data-start=\"1295\" data-end=\"1309\"\u003eInjection:\u003c\/strong\u003e Fuel is injected directly into the combustion chamber at the perfect moment for ignition.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cbr\u003eSigns of Faulty \u003cspan\u003e12731368\u003c\/span\u003e:\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e \n\u003cul data-start=\"1916\" data-end=\"2239\"\u003e\n\u003cli data-start=\"1916\" data-end=\"1964\"\u003e\n\u003cp data-start=\"1918\" data-end=\"1964\"\u003e\u003cstrong data-start=\"1918\" data-end=\"1935\"\u003eHard starting\u003c\/strong\u003e or \u003cstrong data-start=\"1939\" data-end=\"1951\"\u003eno start\u003c\/strong\u003e condition.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1965\" data-end=\"2007\"\u003e\n\u003cp data-start=\"1967\" data-end=\"2007\"\u003e\u003cstrong data-start=\"1967\" data-end=\"1981\"\u003eRough idle\u003c\/strong\u003e or \u003cstrong data-start=\"1985\" data-end=\"2005\"\u003eengine misfires.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2008\" data-end=\"2053\"\u003e\n\u003cp data-start=\"2010\" data-end=\"2053\"\u003e\u003cstrong data-start=\"2010\" data-end=\"2027\"\u003eLoss of power\u003c\/strong\u003e, especially under load.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2054\" data-end=\"2102\"\u003e\n\u003cp data-start=\"2056\" data-end=\"2102\"\u003e\u003cstrong data-start=\"2056\" data-end=\"2075\"\u003eExcessive smoke\u003c\/strong\u003e (white, black, or blue).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2103\" data-end=\"2129\"\u003e\n\u003cp data-start=\"2105\" data-end=\"2129\"\u003e\u003cstrong data-start=\"2105\" data-end=\"2127\"\u003ePoor fuel economy.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2130\" data-end=\"2172\"\u003e\n\u003cp data-start=\"2132\" data-end=\"2172\"\u003e\u003cstrong data-start=\"2132\" data-end=\"2146\"\u003eFuel leaks\u003c\/strong\u003e or strong diesel smell.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2173\" data-end=\"2239\"\u003e\n\u003cp data-start=\"2175\" data-end=\"2239\"\u003e\u003cstrong data-start=\"2175\" data-end=\"2197\"\u003eCheck Engine Light\u003c\/strong\u003e (on electronically controlled systems).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cbr\u003e\u003cbr\u003eManufacturer information\u003c\/strong\u003e\u003cbr\u003e\u003cstrong data-start=\"0\" data-end=\"23\" data-is-only-node=\"\"\u003eGM (General Motors)\u003c\/strong\u003e is an American multinational automotive company headquartered in \u003cstrong data-start=\"89\" data-end=\"110\"\u003eDetroit, Michigan\u003c\/strong\u003e, founded in \u003cstrong data-start=\"123\" data-end=\"131\"\u003e1908\u003c\/strong\u003e. It designs, manufactures, and sells vehicles and parts under brands such as \u003cstrong data-start=\"209\" data-end=\"248\"\u003eChevrolet, GMC, Cadillac, and Buick\u003c\/strong\u003e. GM is known for innovation in automotive technology, including electric vehicles, safety systems, and advanced manufacturing. The company also produces \u003cstrong data-start=\"402\" data-end=\"423\"\u003egenuine OEM parts\u003c\/strong\u003e—like the \u003cstrong data-start=\"433\" data-end=\"453\"\u003eGM Genuine Parts\u003c\/strong\u003e line—to ensure high-quality fit, performance, and reliability for its vehicles.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003cbr\u003eFirst Truck Parts offers a \u003cstrong\u003e365-days warranty\u003c\/strong\u003e for all types of parts and in any condition. The warranty applies only to buyers who have placed an order on our website.\u003c\/p\u003e","brand":"GM®","offers":[{"title":"Default Title","offer_id":47122161893620,"sku":"12731368","price":775.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/1479\/5764\/files\/regergerg_8cb47655-8792-43d9-99e1-834f4834d74d.webp?v=1733940766","url":"https:\/\/firsttruckparts.com\/products\/12731368-genuine-gm%c2%ae-hp4-injection-pump","provider":"First Truck Parts","version":"1.0","type":"link"}