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.
Fleece Oil Pressure Sensor Pigtail - 2001-2002 GM LB7 Duramax
MAHLE Timing Cover Seal - 2001-2016 GM 6.6L Duramax
Merchant Automotive Transfer Case Rear Output Seal - 261XHD/263XHD - 2001-2007 GM Duramax
Merchant Automotive Engine Seal Driver Kit + Front/Rear Main Seals - 2001-2016 GM Duramax
Merchant Automotive Oil Cooler Gasket Kit - 2001-2010 GM Duramax
Merchant Automotive Rear Main Seal - 2001-2021 GM 6.6L Duramax
Merchant Automotive Deluxe Bearing & Seal Kit - NP261HD - 2001-2007 GM Duramax
ARP Chromoly Up-Pipe Bolts - 2001-2016 GM Duramax
ARP 45mm Flywheel Bolt Kit - 2001-2006 GM Duramax
ARP 45mm Flexplate Bolt Kit - 2001-2010 GM Duramax
Industrial Injection Coated H-Series Rod Bearing Set - 2001-2016 GM Duramax
Industrial Injection Coated HX-Series Rod Bearing Set +.001 - 2001-2016 GM Duramax
Merchant Automotive Heavy Duty Pushrod Kit - 2001-2010 GM Duramax
Wagler Heavy Duty Pushrod Set - 2001-2016 GM Duramax
GB Remanufacturing Valve Cover Gasket Kit - 2001-2004 GM LB7 Duramax
Merchant Automotive Injector Seal & Return Line Kit - 2001-2004 GM LB7 Duramax
Bostech Injector Seal & Return Line Kit - 2001-2004 GM LB7 Duramax
MAHLE Complete Engine Gasket Kit - 2001-2004 GM LB7 Duramax
MAHLE Engine Conversion Gasket Set - 2001-2007 GM Duramax
Alliant Power Turbocharger Installation Kit - 2001-2010 GM Duramax
ARP Custom Age 625+ Head Stud Kit - 2001-2016 GM 6.6L Duramax
Mishimoto Aluminum Performance Radiator - 2001-2005 GM Duramax LB7/LLY
WC Fab Stage 2 High Flow Intake Bundle - Gloss White - 2001-2004 LB7 Duramax
WC Fab Stage 1 High Flow Intake Bundle - WCFab Grey - 2001-2004 LB7 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.