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.
FASS Dura-Max Flow Enhancer - 2001-2010 GM Duramax
S&B Cold Air Intake - Cleanable Filter - 2001-2004 GM 6.6L LB7 Duramax
S&B Tanks 65 Gallon Replacement Fuel Tank - 2001-2004 GM LB7 Duramax Crew Cab Long Bed
ARP 2000 Head Stud Kit - 2001-2016 GM 6.6L Duramax - 230-4201
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.