LB7 Duramax Parts
Getting the most from your engine matters, especially when it’s a classic such as the LB7 Duramax. If your truck has one of these, you might be concerned about where to find everything you need to keep it in its best possible condition. Fortunately, Powerhouse Diesel has a huge selection of LB7 Duramax parts to help you boost its performance, extend its lifespan and ensure it remains in good working order for as long as possible.
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Wehrli 01-04 Chevrolet 6.6L LB7 Duramax High Flow Intake Bundle Kit - Bengal Silver
WehrliOriginal price $ 40,832.00Original price $ 40,832.00 - Original price $ 40,832.00Original price $ 40,832.00Current price $ 39,607.00$ 39,607.00 - $ 39,607.00Current price $ 39,607.00| /Wehrli 01-04 Chevrolet 6.6L LB7 Duramax High Flow Intake Bundle Kit - Bengal Silver
Original price $ 40,832.00Original price $ 40,832.00 - Original price $ 40,832.00Original price $ 40,832.00Current price $ 39,607.00$ 39,607.00 - $ 39,607.00Current price $ 39,607.00| /Save 3% Save % -
Wehrli 01-04 Chevrolet 6.6L LB7 Duramax High Flow Intake Bundle Kit - Brizzle Blue
WehrliOriginal price $ 40,832.00Original price $ 40,832.00 - Original price $ 40,832.00Original price $ 40,832.00Current price $ 39,607.00$ 39,607.00 - $ 39,607.00Current price $ 39,607.00| /Wehrli 01-04 Chevrolet 6.6L LB7 Duramax High Flow Intake Bundle Kit - Brizzle Blue
Original price $ 40,832.00Original price $ 40,832.00 - Original price $ 40,832.00Original price $ 40,832.00Current price $ 39,607.00$ 39,607.00 - $ 39,607.00Current price $ 39,607.00| /Save 3% Save % -
Wehrli 01-04 Chevrolet 6.6L LB7 Duramax High Flow Intake Bundle Kit - Bengal Gray
WehrliOriginal price $ 40,832.00Original price $ 40,832.00 - Original price $ 40,832.00Original price $ 40,832.00Current price $ 39,607.00$ 39,607.00 - $ 39,607.00Current price $ 39,607.00| /Wehrli 01-04 Chevrolet 6.6L LB7 Duramax High Flow Intake Bundle Kit - Bengal Gray
Original price $ 40,832.00Original price $ 40,832.00 - Original price $ 40,832.00Original price $ 40,832.00Current price $ 39,607.00$ 39,607.00 - $ 39,607.00Current price $ 39,607.00| /Save 3% Save % -
Wehrli 01-04 Chevrolet 6.6L LB7 Duramax High Flow Intake Bundle Kit - Blueberry Frost
WehrliOriginal price $ 42,848.00Original price $ 42,848.00 - Original price $ 42,848.00Original price $ 42,848.00Current price $ 41,563.00$ 41,563.00 - $ 41,563.00Current price $ 41,563.00| /Wehrli 01-04 Chevrolet 6.6L LB7 Duramax High Flow Intake Bundle Kit - Blueberry Frost
Original price $ 42,848.00Original price $ 42,848.00 - Original price $ 42,848.00Original price $ 42,848.00Current price $ 41,563.00$ 41,563.00 - $ 41,563.00Current price $ 41,563.00| /Save 3% Save % -
Wehrli 01-04 Chevrolet 6.6L LB7 Duramax High Flow Intake Bundle Kit - Bronze Chrome
WehrliOriginal price $ 42,848.00Original price $ 42,848.00 - Original price $ 42,848.00Original price $ 42,848.00Current price $ 41,563.00$ 41,563.00 - $ 41,563.00Current price $ 41,563.00| /Wehrli 01-04 Chevrolet 6.6L LB7 Duramax High Flow Intake Bundle Kit - Bronze Chrome
Original price $ 42,848.00Original price $ 42,848.00 - Original price $ 42,848.00Original price $ 42,848.00Current price $ 41,563.00$ 41,563.00 - $ 41,563.00Current price $ 41,563.00| /Save 3% Save % -
Wehrli 01-04 Chevrolet 6.6L LB7 Duramax High Flow Intake Bundle Kit - Bengal Blue
WehrliOriginal price $ 40,832.00Original price $ 40,832.00 - Original price $ 40,832.00Original price $ 40,832.00Current price $ 39,607.00$ 39,607.00 - $ 39,607.00Current price $ 39,607.00| /Wehrli 01-04 Chevrolet 6.6L LB7 Duramax High Flow Intake Bundle Kit - Bengal Blue
Original price $ 40,832.00Original price $ 40,832.00 - Original price $ 40,832.00Original price $ 40,832.00Current price $ 39,607.00$ 39,607.00 - $ 39,607.00Current price $ 39,607.00| /Save 3% Save % -
Mishimoto 02-04.5 Chevrolet 6.6L Duramax Intercooler Kit w/ Pipes (Black)
MishimotoOriginal price $ 33,565.00Original price $ 33,565.00 - Original price $ 33,565.00Original price $ 33,565.00Current price $ 30,225.00$ 30,225.00 - $ 30,225.00Current price $ 30,225.00| /2004 Chevrolet Silverado 2500 HD 6.6 Liter 1000, 2002-2003 Chevrolet Silverado 2500 HD 6.6 Liter 1000/M74, 2002-2004 Chevrolet Silverado 2500 HD 6....
View full detailsOriginal price $ 33,565.00Original price $ 33,565.00 - Original price $ 33,565.00Original price $ 33,565.00Current price $ 30,225.00$ 30,225.00 - $ 30,225.00Current price $ 30,225.00| /Save 10% Save % -
Wehrli 01-04 Chevrolet 6.6L LB7 Duramax 3in Y-Bridge Kit - Kiwi Green
WehrliOriginal price $ 18,047.00Original price $ 18,047.00 - Original price $ 18,047.00Original price $ 18,047.00Current price $ 17,506.00$ 17,506.00 - $ 17,506.00Current price $ 17,506.00| /Wehrli 01-04 Chevrolet 6.6L LB7 Duramax 3in Y-Bridge Kit - Kiwi Green
Original price $ 18,047.00Original price $ 18,047.00 - Original price $ 18,047.00Original price $ 18,047.00Current price $ 17,506.00$ 17,506.00 - $ 17,506.00Current price $ 17,506.00| /Save 3% Save % -
Mishimoto 02-04.5 Chevrolet 6.6L Duramax Intercooler Kit w/ Pipes (Silver)
MishimotoOriginal price $ 33,565.00Original price $ 33,565.00 - Original price $ 33,565.00Original price $ 33,565.00Current price $ 30,225.00$ 30,225.00 - $ 30,225.00Current price $ 30,225.00| /2004 Chevrolet Silverado 2500 HD 6.6 Liter 1000, 2002-2003 Chevrolet Silverado 2500 HD 6.6 Liter 1000/M74, 2002-2004 Chevrolet Silverado 2500 HD 6....
View full detailsOriginal price $ 33,565.00Original price $ 33,565.00 - Original price $ 33,565.00Original price $ 33,565.00Current price $ 30,225.00$ 30,225.00 - $ 30,225.00Current price $ 30,225.00| /Save 10% Save % -
Mishimoto 01-05 Chevy Duramax 6.6L 2500 Red Silicone Hose Kit
MishimotoOriginal price $ 7,289.00Original price $ 7,289.00 - Original price $ 7,289.00Original price $ 7,289.00Current price $ 6,593.00$ 6,593.00 - $ 6,593.00Current price $ 6,593.00| /2004-2005 Chevrolet Silverado 2500 HD 6.6 Liter 1000, 2001-2003 Chevrolet Silverado 2500 HD 6.6 Liter 1000/M74, 2001-2005 Chevrolet Silverado 2500 ...
View full detailsOriginal price $ 7,289.00Original price $ 7,289.00 - Original price $ 7,289.00Original price $ 7,289.00Current price $ 6,593.00$ 6,593.00 - $ 6,593.00Current price $ 6,593.00| /Save 10% Save % -
Fleece 01-04 GM 2500/3500 Duramax LB7 Fuel Injection Line (4 & 5)
Fleece PerformanceOriginal price $ 1,252.00 - Original price $ 1,252.00Original price $ 1,252.00$ 1,392.00$ 1,392.00 - $ 1,392.00Current price $ 1,392.00| /Original LB7 Injection lines will corrode and break and are a leading cause of contamination when changing the injectors. If you are changing your ...
View full detailsOriginal price $ 1,252.00 - Original price $ 1,252.00Original price $ 1,252.00$ 1,392.00$ 1,392.00 - $ 1,392.00Current price $ 1,392.00| / -
Fleece Performance 01-02 GM Duramax 6.6L LB7 Allison TapShifter
Fleece PerformanceOriginal price $ 6,352.00 - Original price $ 6,352.00Original price $ 6,352.00$ 8,046.00$ 8,046.00 - $ 8,046.00Current price $ 8,046.00| /Replacement coolant bypass house with stainless steel braiding for our Common Rail/VP44 Cummins Coolant Bypass Kits.For use with the following kits...
View full detailsOriginal price $ 6,352.00 - Original price $ 6,352.00Original price $ 6,352.00$ 8,046.00$ 8,046.00 - $ 8,046.00Current price $ 8,046.00| / -
Fleece Performance 01-04 GM 2500/3500 Duramax LB7 Outer Injector Connector Pigtail
Fleece PerformanceOriginal price $ 545.00 - Original price $ 545.00Original price $ 545.00$ 605.00$ 605.00 - $ 605.00Current price $ 605.00| /Replacement connector with 6 inch pigtail for use on the 6.6L Duramax engine and other vehicle applications. Produced in-house, our manufacturing p...
View full detailsOriginal price $ 545.00 - Original price $ 545.00Original price $ 545.00$ 605.00$ 605.00 - $ 605.00Current price $ 605.00| / -
Fleece 01-04 GM 2500/3500 Duramax LB7 Fuel Injection Line (3 & 6)
Fleece PerformanceOriginal price $ 1,252.00 - Original price $ 1,252.00Original price $ 1,252.00$ 1,392.00$ 1,392.00 - $ 1,392.00Current price $ 1,392.00| /Original LB7 Injection lines will corrode and break and are a leading cause of contamination when changing the injectors. If you are changing your ...
View full detailsOriginal price $ 1,252.00 - Original price $ 1,252.00Original price $ 1,252.00$ 1,392.00$ 1,392.00 - $ 1,392.00Current price $ 1,392.00| / -
Fleece 01-04 GM 2500/3500 Duramax LB7 Fuel Injection Line (2 & 7)
Fleece PerformanceOriginal price $ 1,252.00 - Original price $ 1,252.00Original price $ 1,252.00$ 1,392.00$ 1,392.00 - $ 1,392.00Current price $ 1,392.00| /Original LB7 Injection lines will corrode and break and are a leading cause of contamination when changing the injectors. If you are changing your ...
View full detailsOriginal price $ 1,252.00 - Original price $ 1,252.00Original price $ 1,252.00$ 1,392.00$ 1,392.00 - $ 1,392.00Current price $ 1,392.00| / -
Exergy 01-04 Chevrolet Duramax 6.6L LB7 2600 Bar (37700 PSI) Pressure Relief Valve (M16x1.5) *RACE*
ExergyOriginal price $ 6,856.00 - Original price $ 6,856.00Original price$ 6,856.00$ 6,856.00 - $ 6,856.00Current price $ 6,856.00| /Exergy Chevy Duramax LB7 2600 Bar (37 700 PSI) Pressure Relief Valve (M16x1.5 Outlet) RACE ONLY
Original price $ 6,856.00 - Original price $ 6,856.00Original price$ 6,856.00$ 6,856.00 - $ 6,856.00Current price $ 6,856.00| / -
Fleece 01-04 GM 2500/3500 Duramax LB7 Fuel Injection Line (1 & 8)
Fleece PerformanceOriginal price $ 1,252.00 - Original price $ 1,252.00Original price $ 1,252.00$ 1,392.00$ 1,392.00 - $ 1,392.00Current price $ 1,392.00| /Original LB7 Injection lines will corrode and break and are a leading cause of contamination when changing the injectors. If you are changing your ...
View full detailsOriginal price $ 1,252.00 - Original price $ 1,252.00Original price $ 1,252.00$ 1,392.00$ 1,392.00 - $ 1,392.00Current price $ 1,392.00| / -
Exergy 01-04 Chevrolet Duramax 6.6L LB7 2200 Bar (32000 PSI) Pressure Relief Valve (M16x1.5)
ExergyOriginal price $ 6,050.00 - Original price $ 6,050.00Original price$ 6,050.00$ 6,050.00 - $ 6,050.00Current price $ 6,050.00| /Exergy Chevy Duramax LB7 2200 Bar (32 000 PSI) Pressure Relief Valve (M16x1.5 Outlet)
Original price $ 6,050.00 - Original price $ 6,050.00Original price$ 6,050.00$ 6,050.00 - $ 6,050.00Current price $ 6,050.00| / -
Exergy 01-04 Chevrolet Duramax 6.6L LB7 2000 Bar (29000 PSI) Pressure Relief Valve (M16x1.5)
ExergyOriginal price $ 5,646.00 - Original price $ 5,646.00Original price$ 5,646.00$ 5,646.00 - $ 5,646.00Current price $ 5,646.00| /Exergy Chevy Duramax LB7 2000 Bar (29 000 PSI) Pressure Relief Valve (M16x1.5 Outlet)
Original price $ 5,646.00 - Original price $ 5,646.00Original price$ 5,646.00$ 5,646.00 - $ 5,646.00Current price $ 5,646.00| / -
Exergy 01-04 Chevrolet Duramax 6.6L LB7 2400 Bar (34800 PSI) Pressure Relief Valve (M16x1.5) *RACE*
ExergyOriginal price $ 6,453.00 - Original price $ 6,453.00Original price$ 6,453.00$ 6,453.00 - $ 6,453.00Current price $ 6,453.00| /Exergy Chevy Duramax LB7 2400 Bar (34 800 PSI) Pressure Relief Valve (M16x1.5 Outlet) RACE ONLY
Original price $ 6,453.00 - Original price $ 6,453.00Original price$ 6,453.00$ 6,453.00 - $ 6,453.00Current price $ 6,453.00| / -
Exergy 01-04 Chevrolet Duramax 6.6L LB7 Rail Pressure Sensor
ExergyOriginal price $ 4,618.00 - Original price $ 4,618.00Original price$ 4,618.00$ 4,618.00 - $ 4,618.00Current price $ 4,618.00| /Exergy 01-04 Chevy Duramax LB7 Rail Pressure Sensor
Original price $ 4,618.00 - Original price $ 4,618.00Original price$ 4,618.00$ 4,618.00 - $ 4,618.00Current price $ 4,618.00| / -
Exergy 01-04 Chevrolet Duramax 6.6L LB7 1800 Bar (26000 PSI) Pressure Relief Valve (M16x1.5)
ExergyOriginal price $ 4,840.00 - Original price $ 4,840.00Original price$ 4,840.00$ 4,840.00 - $ 4,840.00Current price $ 4,840.00| /Exergy Chevy Duramax LB7 1800 Bar (26 000 PSI) Pressure Relief Valve (M16x1.5 Outlet)
Original price $ 4,840.00 - Original price $ 4,840.00Original price$ 4,840.00$ 4,840.00 - $ 4,840.00Current price $ 4,840.00| / -
Exergy 01-04 Chevrolet Duramax 6.6L LB7 Seal Kit (O-Ring & Copper Gasket) - Set of 8
ExergyOriginal price $ 1,291.00 - Original price $ 1,291.00Original price$ 1,291.00$ 1,291.00 - $ 1,291.00Current price $ 1,291.00| /Exergy 01-04 Chevy Duramax LB7 Seal Kit (O-Ring & Copper Gasket) (Set of 8)
Original price $ 1,291.00 - Original price $ 1,291.00Original price$ 1,291.00$ 1,291.00 - $ 1,291.00Current price $ 1,291.00| / -
Exergy 01-04 Chevrolet Duramax 6.6L LB7 Duramax Injector Line Set (Per Side)
ExergyOriginal price $ 7,985.00 - Original price $ 7,985.00Original price$ 7,985.00$ 7,985.00 - $ 7,985.00Current price $ 7,985.00| /Exergy 01-04 Chevy Duramax LB7 Duramax Injector Line Set (Per Side)
Original price $ 7,985.00 - Original price $ 7,985.00Original price$ 7,985.00$ 7,985.00 - $ 7,985.00Current price $ 7,985.00| /
BUILT FOR PERFORMANCE
Developed out of a collaboration between General Motors and Isuzu, the Duramax LB7 is a first-generation diesel engine and the first to bear the name “Duramax.” It was designed to fit the HD range of GM pickup trucks, including the Chevy Silverado HD and GMC Sierra HD. Introduced in 2001, it saw production until its replacement with the LLY Duramax in 2004. Overall, it’s known as a reliable and strong diesel engine, which is why so many owners are willing to take the time to take care of them.
Here at Powerhouse Diesel, our inventory of LB7 duramax performance parts and accessories includes just about everything you could need. We have a huge range of options from many of the top manufacturers in the industry, including Fleece, Kryptonite,DDP and Rough Country. This is critical because when you’re trying to make improvements to how your engine performs, you need to have the highest-quality components. Without the best LB7 upgrades, there’s a good chance you’ll continue to have issues with your engine.
Our selection of LB7 duramax parts can help you no matter what you’re looking for from your truck. Whether you’re trying to boost efficiency, get more raw power or just need to perform routine maintenance, we have something to help you. Here you’ll find LB7 accessories and parts including:
- Suspension parts
- Turbochargers
- Exhausts
- Injectors
- Intakes and cooling system parts
- Injection pumps and lift pumpsFluids
- And more
LET US SHOW YOU THE WAY
Our expertise and knowledge make us the best place to look for parts to upgrade your LB7 Duramax. When you shop with us, our experienced team can help you narrow down your search and find the components that are perfect for whatever result you want. We’ll answer your questions and show you all your options so you can get the most from your engine. If you’re ready to learn more about what we have in stock and what it can do for you, browse through our products or get in touch with us today.