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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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    BD Diesel Turbo Turnbuckle - 5/16NF Rod w/Pin 2001-2004 LB7 w/Aftermarket Turbo or Wastegate

    BD Diesel
    $81.00 - $81.00
    $81.00
    $86.00
    $86.00 - $86.00
    $86.00

    Cut from stainless steel to prevent corrosion and the swivel design avoids oil return drains and rubbing. The Turbo Waste Gate Turnbuckle is now at...

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    $81.00 - $81.00
    $81.00
    $86.00
    $86.00 - $86.00
    $86.00
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    Wehrli 01-04 Chevrolet Duramax LB7 S300/S400 Single Turbo 3in Y-Bridge Kit

    Wehrli
    $920.00
    $920.00 - $920.00
    $920.00
    $893.00
    $893.00 - $893.00
    $893.00

    Wehrli Model WCF100615***BRIDGE ASSEMBLY ONLY***3" High Flow Y-Bridge for custom build racing applications only. Bolts to OEM intake runners. 3" Be...

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    $920.00
    $920.00 - $920.00
    $920.00
    $893.00
    $893.00 - $893.00
    $893.00
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    Wehrli 01-04 Chevrolet Duramax LB7 4in Intake Kit

    Wehrli
    $0.00 - $0.00
    $0.00
    $756.00
    $756.00 - $756.00
    $756.00

    Wehrli Model WCF100190 WCFab 2001-2004 GM LB7 6.6L Duramax 4" Intake Kit with Air Box. This high flow, fabricated aluminum intake pipe and air box ...

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    $0.00 - $0.00
    $0.00
    $756.00
    $756.00 - $756.00
    $756.00
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    Wehrli 01-04 Duramax LB7 4in Intake Kit with Air Box Stage 2

    Wehrli
    $956.00
    $956.00 - $956.00
    $956.00
    $927.00
    $927.00 - $927.00
    $927.00

    Wehrli Model WCF100300 This high flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plas...

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    $956.00
    $956.00 - $956.00
    $956.00
    $927.00
    $927.00 - $927.00
    $927.00
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    Fleece Performance 01-04 GM 2500/3500 6.6L LB7 Duramax SureFlo Performance Sending Unit

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $513.00
    $513.00 - $513.00
    $513.00

    Fleece Performance Model FPE-SF-GM-0104Problem: If you are running an aftermarket pump that is mounted external of the fuel tank, you will need to ...

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    $0.00 - $0.00
    $0.00
    $513.00
    $513.00 - $513.00
    $513.00
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    Wehrli 01-04 Chevrolet 6.6L LB7 Duramax S400 Twin Turbo Kit (No Turbo)

    Wehrli
    $0.00 - $0.00
    $0.00
    $4,788.00
    $4,788.00 - $4,788.00
    $4,788.00

    Wehrli Model WCF1005702001-2004 LB7 Duramax S400/Stock Compound Turbo Kit (NO TURBO). 1000 RWHP capable depending upon turbo and fuel system modifi...

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    $0.00 - $0.00
    $0.00
    $4,788.00
    $4,788.00 - $4,788.00
    $4,788.00
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    Wehrli 01-04 Chevrolet 6.6L Duramax LB7 2in Stainless Passenger Side Up Pipe w/Gaskets (Twin Turbo)

    Wehrli
    $0.00 - $0.00
    $0.00
    $479.00
    $479.00 - $479.00
    $479.00

    Wehrli Model WCF100648Wehrli 01-04 Chevrolet 6.6L Duramax LB7 2in Stainless Passenger Side Up Pipe w/Gaskets (Twin Turbo) Replace the lightweight, ...

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    $0.00 - $0.00
    $0.00
    $479.00
    $479.00 - $479.00
    $479.00
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    Wehrli 01-04 Chevrolet 6.6L LB7 Duramax 3in Y-Bridge Kit

    Wehrli
    $0.00 - $0.00
    $0.00
    $1,282.00
    $1,282.00 - $1,282.00
    $1,282.00

    Wehrli Model WCF100693 The only High Flow 3” Complete Y-Bridge kit on the market for your LB7 that is compatible with the factory IHI turbo and aft...

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    $0.00 - $0.00
    $0.00
    $1,282.00
    $1,282.00 - $1,282.00
    $1,282.00
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    Wehrli 01-04 Chevrolet 6.6L Duramax LB7 2in Stainless Up Pipe Kit w/Gaskets - Twin Turbo ONLY*

    Wehrli
    $0.00 - $0.00
    $0.00
    $886.00
    $886.00 - $886.00
    $886.00

    Wehrli Model WCF100589 Wehrli 01-16 Chevrolet 6.6L Duramax 2in Stainless Up Pipe Kit w/Gaskets - Twin Turbo Replace the lightweight, leak-prone, 1 ...

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    $0.00 - $0.00
    $0.00
    $886.00
    $886.00 - $886.00
    $886.00
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    Wehrli 01-04 Chevrolet 6.6L LB7 Duramax S300 Turbo Install Kit (No Turbo)

    Wehrli
    $0.00 - $0.00
    $0.00
    $4,566.00
    $4,566.00 - $4,566.00
    $4,566.00

    Wehrli Model WCF100478 This kit will allow you to install an S300-based Turbo on your LB7 Duramax. Replacing all OEM plumbing and y-bridge with hig...

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    $0.00 - $0.00
    $0.00
    $4,566.00
    $4,566.00 - $4,566.00
    $4,566.00
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    Mishimoto Intercooler Kit With Pipes & Boots 2002-2004* LB7 Duramax 6.6L

    Mishimoto
    $2,792.00
    $2,792.00 - $2,792.00
    $2,792.00
    $2,537.00
    $2,537.00 - $2,537.00
    $2,537.00

    Mishimoto Intercooler Kit With Pipes & Boots 2002-2004* LB7 Duramax 6.6L Black Intercooler With Polished Pipe Kit. Mishimoto is expanding thei...

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    $2,792.00
    $2,792.00 - $2,792.00
    $2,792.00
    $2,537.00
    $2,537.00 - $2,537.00
    $2,537.00
    Save 9% Save %
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    Mishimoto Intercooler Kit With Pipes & Boots 2002-2004* LB7 Duramax 6.6L - Silver

    Mishimoto
    $2,792.00
    $2,792.00 - $2,792.00
    $2,792.00
    $2,537.00
    $2,537.00 - $2,537.00
    $2,537.00

    Mishimoto Intercooler Kit With Pipes & Boots 2002-2004* LB7 Duramax 6.6L Silver Intercooler With Polished Pipe Kit. Mishimoto is expanding the...

    View full details
    $2,792.00
    $2,792.00 - $2,792.00
    $2,792.00
    $2,537.00
    $2,537.00 - $2,537.00
    $2,537.00
    Save 9% Save %
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    Mishimoto Upper & Lower Silicone Radiator Hose Kit 2001-2005 Duramax 6.6L - Red

    Mishimoto
    $596.00
    $596.00 - $596.00
    $596.00
    $542.00
    $542.00 - $542.00
    $542.00

    Mishimoto Upper & Lower Silicone Radiator Hose Kit 2001-2005 Duramax 6.6L Mishimoto's Duramax coolant hose kits are constructed from a combinat...

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    $596.00
    $596.00 - $596.00
    $596.00
    $542.00
    $542.00 - $542.00
    $542.00
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    Fleece 01-04 GM 2500/3500 Duramax LB7 Fuel Injection Line (4 & 5)

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $99.00
    $99.00 - $99.00
    $99.00

    Fleece Performance Model FPE-FL-LB7-45Original LB7 Injection lines will corrode and break and are a leading cause of contamination when changing th...

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    $0.00 - $0.00
    $0.00
    $99.00
    $99.00 - $99.00
    $99.00
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    Fleece Performance 01-02 GM Duramax 6.6L LB7 Allison TapShifter

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $570.00
    $570.00 - $570.00
    $570.00

    Fleece Performance Model FPE-TAPSHIFTER12Replacement coolant bypass house with stainless steel braiding for our Common Rail/VP44 Cummins Coolant By...

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    $0.00 - $0.00
    $0.00
    $570.00
    $570.00 - $570.00
    $570.00
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    Fleece Performance 01-04 GM 2500/3500 Duramax LB7 Outer Injector Connector Pigtail

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $43.00
    $43.00 - $43.00
    $43.00

    Fleece Performance Model FPE-HAR-DMAX-LB7-INJ-PTReplacement connector with 6 inch pigtail for use on the 6.6L Duramax engine and other vehicle appl...

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    $0.00 - $0.00
    $0.00
    $43.00
    $43.00 - $43.00
    $43.00
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    Fleece 01-04 GM 2500/3500 Duramax LB7 Fuel Injection Line (3 & 6)

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $99.00
    $99.00 - $99.00
    $99.00

    Fleece Performance Model FPE-FL-LB7-36Original LB7 Injection lines will corrode and break and are a leading cause of contamination when changing th...

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    $0.00 - $0.00
    $0.00
    $99.00
    $99.00 - $99.00
    $99.00
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    Fleece 01-04 GM 2500/3500 Duramax LB7 Fuel Injection Line (2 & 7)

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $99.00
    $99.00 - $99.00
    $99.00

    Fleece Performance Model FPE-FL-LB7-27Original LB7 Injection lines will corrode and break and are a leading cause of contamination when changing th...

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    $0.00 - $0.00
    $0.00
    $99.00
    $99.00 - $99.00
    $99.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 2600 Bar (37700 PSI) Pressure Relief Valve (M16x1.5) *RACE*

    Exergy
    $486.00 - $486.00
    $486.00
    $486.00 - $486.00
    $486.00

    Exergy Chevy Duramax LB7 2600 Bar (37 700 PSI) Pressure Relief Valve (M16x1.5 Outlet) RACE ONLY

    $486.00 - $486.00
    $486.00
    $486.00 - $486.00
    $486.00
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    Fleece 01-04 GM 2500/3500 Duramax LB7 Fuel Injection Line (1 & 8)

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $99.00
    $99.00 - $99.00
    $99.00

    Fleece Performance Model FPE-FL-LB7-18Original LB7 Injection lines will corrode and break and are a leading cause of contamination when changing th...

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    $0.00 - $0.00
    $0.00
    $99.00
    $99.00 - $99.00
    $99.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 2200 Bar (32000 PSI) Pressure Relief Valve (M16x1.5)

    Exergy
    $429.00 - $429.00
    $429.00
    $429.00 - $429.00
    $429.00

    Exergy Chevy Duramax LB7 2200 Bar (32 000 PSI) Pressure Relief Valve (M16x1.5 Outlet)

    $429.00 - $429.00
    $429.00
    $429.00 - $429.00
    $429.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 2000 Bar (29000 PSI) Pressure Relief Valve (M16x1.5)

    Exergy
    $400.00 - $400.00
    $400.00
    $400.00 - $400.00
    $400.00

    Exergy Chevy Duramax LB7 2000 Bar (29 000 PSI) Pressure Relief Valve (M16x1.5 Outlet)

    $400.00 - $400.00
    $400.00
    $400.00 - $400.00
    $400.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 2400 Bar (34800 PSI) Pressure Relief Valve (M16x1.5) *RACE*

    Exergy
    $458.00 - $458.00
    $458.00
    $458.00 - $458.00
    $458.00

    Exergy Chevy Duramax LB7 2400 Bar (34 800 PSI) Pressure Relief Valve (M16x1.5 Outlet) RACE ONLY

    $458.00 - $458.00
    $458.00
    $458.00 - $458.00
    $458.00
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    Exergy 01-04 Chevrolet Duramax 6.6L LB7 1800 Bar (26000 PSI) Pressure Relief Valve (M16x1.5)

    Exergy
    $343.00 - $343.00
    $343.00
    $343.00 - $343.00
    $343.00

    Exergy Chevy Duramax LB7 1800 Bar (26 000 PSI) Pressure Relief Valve (M16x1.5 Outlet)

    $343.00 - $343.00
    $343.00
    $343.00 - $343.00
    $343.00

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 pumps
  • 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.

Powerhouse Diesel