{"product_id":"dorman-502-552-diesel-fuel-injector-pump","title":"Dorman 502-552 Diesel Fuel Injector Pump","description":"\u003ch2\u003eDorman 502-552 Diesel Fuel Injector Pump\u003c\/h2\u003e\u003cp\u003eThis Dorman diesel fuel injector pump is remanufactured for dependable fuel delivery in compatible Chevrolet Silverado 2500 HD, Silverado 3500, GMC Sierra 2500 HD, and Sierra 3500 diesel applications. Built for 2004-2005 trucks, part number 502-552 is a direct-fit mechanical pump solution for restoring injection system performance.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRemanufactured diesel fuel injection pump for mechanical fuel systems\u003c\/li\u003e\n\u003cli\u003eCritical internal components are replaced during the remanufacturing process\u003c\/li\u003e\n\u003cli\u003eClearances are verified after cleaning, reassembly, and testing\u003c\/li\u003e\n\u003cli\u003eFemale connector with 1 connector, 2 male terminals, and blade terminal type\u003c\/li\u003e\n\u003cli\u003eIncludes a gasket or seal for installation\u003c\/li\u003e\n\u003cli\u003e3-port pump configuration\u003c\/li\u003e\n\u003cli\u003eCross-references Standard Ignition IP23 for the same application\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDorman 502-552 is a remanufactured diesel fuel injector pump engineered for 2004-2005 Chevrolet Silverado 2500 HD, 2004-2005 Chevrolet Silverado 3500, 2004-2005 GMC Sierra 2500 HD, and 2004-2005 GMC Sierra 3500 models. The pump is rebuilt using a controlled process that replaces critical wear components and verifies internal clearances after assembly and testing. For diesel trucks that rely on a mechanical pump, this part number 502-552 provides a service replacement focused on fuel delivery consistency and system restoration.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHard starting caused by weak or inconsistent fuel injection pump output\u003c\/li\u003e\n\u003cli\u003eLoss of fuel delivery pressure in a mechanical diesel system\u003c\/li\u003e\n\u003cli\u003eRough running related to worn pump internals\u003c\/li\u003e\n\u003cli\u003eFuel system performance issues on Silverado 2500 HD and Sierra 3500 diesel trucks\u003c\/li\u003e\n\u003cli\u003eInjection pump replacement needs during diesel fuel system repair\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify vehicle application by year, make, and model before installation. This pump uses a female connector, blade terminals, and a mechanical pump design, so connector style and fuel system configuration should be matched to the original unit. A gasket or seal is included; mounting hardware is not listed as included. For best results, inspect related fuel system components and confirm clean fuel supply before returning the vehicle to service.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eThis Dorman pump is remanufactured through an exclusive process that focuses on quality and reliability. After cleaning and reassembly, critical dimensions are checked and the unit is tested to help ensure proper operation in compatible Chevrolet and GMC diesel applications.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":43611040055477,"sku":"BKKY-502-552","price":1259.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_502552_Fro.jpg?v=1774983580","url":"https:\/\/www.partcatalog.com\/products\/dorman-502-552-diesel-fuel-injector-pump","provider":"PartCatalog","version":"1.0","type":"link"}