LB7 Duramax | 2001–2004
Shop parts for 2001–2004 GM trucks equipped with the 6.6L LB7 Duramax. Browse fuel system components, injectors, turbo parts, cooling upgrades, engine components, transmission parts, maintenance items, and performance upgrades selected for LB7 applications. Always verify your exact year, model, and product fitment before ordering.
Thoroughbred Diesel Top End Gasket Kit with Studs - 2001-2004 GM Duramax LB7
Alliant High-Pressure Fuel Pump Installation Kit - 2001-2004 GM Duramax LB7
Merchant Automotive 175A Glow Plug / Intake Heater Fuse - 2001-2004 GM Duramax LB7
Merchant Automotive Fuel Pressure Regulator Kit - 2001-2004 GM Duramax LB7
BD Diesel Turbo Turnbuckle - 2001-2004 GM Duramax LB7
Merchant Automotive Fuel Pressure Regulator - 2001-2004 GM Duramax LB7
BD Diesel Injector Install Kit - 2001-2004 GM Duramax LB7
Merchant Automotive LB7 Head Gasket Kit without Bolts - 2001-2004 GM Duramax
Merchant Automotive High Idle Kit - 2001-2004 GM Duramax LB7
BD Diesel TowMaster Allison 1000 Transmission - 2001-2004 LB7 4WD
BD Diesel Screamer Performance Turbocharger - 2001-2004 GM Duramax LB7
BD Diesel Remanufactured CP3 Pump - 2001-2004 GM Duramax LB7
Merchant Automotive New LB7 Injector Basic Kit - 2001-2004 GM Duramax LB7
Merchant Automotive New LB7 Fuel Injector Set - 2001-2004 GM Duramax LB7
Merchant Automotive New LB7 Injector Deluxe Kit - 2001-2004 GM Duramax LB7
BD Diesel Stock Performance Plus Injector Set - 2001-2004 GM Duramax LB7
Thoroughbred Diesel Injector Set with Install Kit - 2001-2004 GM Duramax LB7
Thoroughbred Reman IHI Stock Turbo - 2001-2004 GM LB7 Duramax
BD Diesel Stock Injectors + Install Kit - 2001-2004 GM LB7 Duramax
Thoroughbred Premium Stock Reman Injector - 2001-2004 GM LB7 Duramax
GB Fuel Filter Base & Hand Primer Seal Kit - 2001-2010 GM Duramax
Dorman Fuel Primer Seal Kit - 2001-2010 GM Duramax
MAHLE Head Set - 2001-2004 GM LB7 Duramax
Fleece Oil Pressure Sensor Pigtail - 2003-2010 GM Duramax
Shopping LB7 Duramax | 2001–2004
Hilltop Diesel Performance organizes parts around real truck fitment so you can move from platform to the component you need without digging through an unrelated catalog. For Duramax applications, start with your exact year and engine, then verify configuration-specific notes on the product page before ordering.
Common upgrade and service paths include fuel delivery, injectors, turbochargers, intake and charge-air parts, exhaust, cooling, transmission components, filtration, sensors, gaskets, hardware and supporting installation parts.