Skip to content
Free Shipping on most orders over $150.00. Buy now, pay later with ShopPay.
Free Shipping on most orders over $150.00. Buy now, pay later with ShopPay.

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.

Filters

$
$
  • responsive-image responsive-image

    Wehrli LB7/LLY/LBZ/LMM Duramax Twin/Compound Turbocharger Pedestal

    Wehrli
    $0.00 - $0.00
    $0.00
    $290.03
    $290.03 - $290.03
    $290.03

    Wehrli Model WCF100675Wehrli LB7/LLY/LBZ/LMM Duramax Twin/Compound Turbocharger Pedestal Twin Turbo Pedestal for 2001-10 Duramax. #8 JIC / -8AN tur...

    View full details
    $0.00 - $0.00
    $0.00
    $290.03
    $290.03 - $290.03
    $290.03
  • responsive-image responsive-image

    Wehrli LB7/LLY/LBZ/LMM Duramax S400 Twin/Compound Turbo Oil Line Kit

    Wehrli
    $0.00 - $0.00
    $0.00
    $198.85
    $198.85 - $198.85
    $198.85

    Wehrli Model WCF100378Wehrli LB7/LLY/LBZ/LMM Duramax S400 Twin/Compound Turbo Oil Line Kit -Stainless Braided #8 Drain Line 30"-Stainless Braided #...

    View full details
    $0.00 - $0.00
    $0.00
    $198.85
    $198.85 - $198.85
    $198.85
  • responsive-image responsive-image

    Wehrli 2001+ GM Duramax LB7/LLY/LBZ/LMM/LML/L5P Billet Oil Fill Cap - Black Anodized

    Wehrli
    $0.00 - $0.00
    $0.00
    $51.41
    $51.41 - $51.41
    $51.41

    Wehrli Model WCF100443Wehrli 2001+ GM Duramax LB7/LLY/LBZ/LMM/LML/L5P Billet Oil Fill Cap - Black Anodized -CNC Machined Billet Aluminum GM factory...

    View full details
    $0.00 - $0.00
    $0.00
    $51.41
    $51.41 - $51.41
    $51.41
  • responsive-image responsive-image

    Wehrli 01-19 Chevrolet LB7/LLY/LBZ/LMM/LML/L5P Duramax Brake Master Cylinder Cover

    Wehrli
    $0.00 - $0.00
    $0.00
    $145.50
    $145.50 - $145.50
    $145.50

    Wehrli Model WCF100205Clean up the engine bay of your 2001-2019 Chevy Silverado or GMC Sierra 2500/3500 Duramax truck with this custom powder coate...

    View full details
    $0.00 - $0.00
    $0.00
    $145.50
    $145.50 - $145.50
    $145.50
  • responsive-image responsive-image

    Wehrli 01-16 Chevrolet Duramax Exhaust Manifold Kit w/ Gaskets & Hardware

    Wehrli
    $0.00 - $0.00
    $0.00
    $1,401.65
    $1,401.65 - $1,401.65
    $1,401.65

    Wehrli Model WCF100363 Wehrli 01-16 Chevrolet Duramax Exhaust Manifold Kit w/ Gaskets & Hardware Fully TIG Welded, CNC machined billet steel ...

    View full details
    $0.00 - $0.00
    $0.00
    $1,401.65
    $1,401.65 - $1,401.65
    $1,401.65
  • responsive-image responsive-image

    Wehrli 01-10 Chevrolet 6.6L Duramax Valley CP3 Block Off Plate

    Wehrli
    $0.00 - $0.00
    $0.00
    $72.75
    $72.75 - $72.75
    $72.75

    Wehrli Model WCF100024Billet Block Off plate for valley CP3 pump. Black anodized finish with engraved logo.

    $0.00 - $0.00
    $0.00
    $72.75
    $72.75 - $72.75
    $72.75
  • Wehrli 17-24 6.7L Power Stroke Coolant Tank w/ Battery Box. responsive-image

    Wehrli 01-10 Chevrolet 6.6L Duramax Traction Bar Install Kit

    Wehrli
    $0.00 - $0.00
    $0.00
    $969.03
    $969.03 - $969.03
    $969.03

    Wehrli Model WCF100850 ***This kit includes 60" long bars for Regular Cab Long Bed, Extended Cab Short Bed and Crew Cab Short Bed Models*** ***This...

    View full details
    $0.00 - $0.00
    $0.00
    $969.03
    $969.03 - $969.03
    $969.03
  • responsive-image responsive-image

    Wehrli 01-10 Chevrolet 6.6L Duramax FASS Fuel System Relocation Bracket (Crew Cab Only)

    Wehrli
    $0.00 - $0.00
    $0.00
    $98.94
    $98.94 - $98.94
    $98.94

    Wehrli Model WCF100265Wehrli 01-10 Chevrolet 6.6L Duramax FASS Fuel System Relocation Bracket (Crew Cab Only) -Mount Bracket-Grade 8 Hardware-Zinc ...

    View full details
    $0.00 - $0.00
    $0.00
    $98.94
    $98.94 - $98.94
    $98.94
  • responsive-image responsive-image

    Wehrli 01-07 Chevrolet 6.6L LB7/LLY/LBZ Duramax OEM Placement Coolant Tank Kit

    Wehrli
    $0.00 - $0.00
    $0.00
    $474.33
    $474.33 - $474.33
    $474.33

    Wehrli Model WCF100645 2001-2007 Duramax Fabricated Aluminum Coolant Tank Kit, mounts in OEM coolant tank location. Dress up your engine bay by re...

    View full details
    $0.00 - $0.00
    $0.00
    $474.33
    $474.33 - $474.33
    $474.33
  • responsive-image responsive-image Save 3% Save %

    Wehrli 01-06 Chevrolet 6.6L LB7/LLY/LBZ Duramax Twin Turbo Style Coolant Tank Kit

    Wehrli
    $415.00
    $415.00 - $415.00
    $415.00
    $402.55
    $402.55 - $402.55
    $402.55

    Wehrli Model WCF100642LB7, LLY, LBZ Duramax Fabricated Aluminum Coolant Tank Kit for Twin Turbo Applications mounts on passenger side fender. Does ...

    View full details
    $415.00
    $415.00 - $415.00
    $415.00
    $402.55
    $402.55 - $402.55
    $402.55
    Save 3% Save %
  • responsive-image responsive-image Save 3% Save %

    Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit

    Wehrli
    $524.00
    $524.00 - $524.00
    $524.00
    $508.28
    $508.28 - $508.28
    $508.28

    Wehrli Model WCF100405 The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper rad...

    View full details
    $524.00
    $524.00 - $524.00
    $524.00
    $508.28
    $508.28 - $508.28
    $508.28
    Save 3% Save %
  • responsive-image responsive-image Save 3% Save %

    Wehrli 01-04 Duramax LB7 Stage 2 High Flow Bundle Intake Bundle Kit

    Wehrli
    $1,899.00
    $1,899.00 - $1,899.00
    $1,899.00
    $1,842.03
    $1,842.03 - $1,842.03
    $1,842.03

    Wehrli Model WCF100435 WCFab 2001-2004 GM LB7 6.6L Duramax Stage 2 High Flow Intake Bundle Kit Stage 2 upgrade for the 2001-2004 LB7 Duramax combin...

    View full details
    $1,899.00
    $1,899.00 - $1,899.00
    $1,899.00
    $1,842.03
    $1,842.03 - $1,842.03
    $1,842.03
    Save 3% Save %
  • responsive-image responsive-image

    Wehrli 01-04 Chevrolet 6.6L LB7 Duramax Driver Side 3in Intercooler Pipe

    Wehrli
    $0.00 - $0.00
    $0.00
    $305.55
    $305.55 - $305.55
    $305.55

    Wehrli Model WCF100349 1 Piece 3" Driver Side Intercooler pipe that was designed to replace the factory pipe and low-quality silicone boots. This I...

    View full details
    $0.00 - $0.00
    $0.00
    $305.55
    $305.55 - $305.55
    $305.55
  • responsive-image responsive-image Save 3% Save %

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

    Wehrli
    $644.00
    $644.00 - $644.00
    $644.00
    $624.68
    $624.68 - $624.68
    $624.68

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

    View full details
    $644.00
    $644.00 - $644.00
    $644.00
    $624.68
    $624.68 - $624.68
    $624.68
    Save 3% Save %
  • responsive-image responsive-image

    Wehrli 01-04 Chevrolet Duramax LB7 4in Intake Kit

    Wehrli
    $0.00 - $0.00
    $0.00
    $528.65
    $528.65 - $528.65
    $528.65

    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 ...

    View full details
    $0.00 - $0.00
    $0.00
    $528.65
    $528.65 - $528.65
    $528.65
  • responsive-image responsive-image Save 3% Save %

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

    Wehrli
    $669.00
    $669.00 - $669.00
    $669.00
    $648.93
    $648.93 - $648.93
    $648.93

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

    View full details
    $669.00
    $669.00 - $669.00
    $669.00
    $648.93
    $648.93 - $648.93
    $648.93
    Save 3% Save %
  • responsive-image responsive-image

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

    Wehrli
    $0.00 - $0.00
    $0.00
    $3,351.35
    $3,351.35 - $3,351.35
    $3,351.35

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

    View full details
    $0.00 - $0.00
    $0.00
    $3,351.35
    $3,351.35 - $3,351.35
    $3,351.35
  • responsive-image responsive-image

    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
    $334.65
    $334.65 - $334.65
    $334.65

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

    View full details
    $0.00 - $0.00
    $0.00
    $334.65
    $334.65 - $334.65
    $334.65
  • responsive-image responsive-image

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

    Wehrli
    $0.00 - $0.00
    $0.00
    $897.25
    $897.25 - $897.25
    $897.25

    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...

    View full details
    $0.00 - $0.00
    $0.00
    $897.25
    $897.25 - $897.25
    $897.25
  • responsive-image responsive-image

    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
    $619.83
    $619.83 - $619.83
    $619.83

    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 ...

    View full details
    $0.00 - $0.00
    $0.00
    $619.83
    $619.83 - $619.83
    $619.83
  • responsive-image responsive-image

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

    Wehrli
    $0.00 - $0.00
    $0.00
    $3,196.15
    $3,196.15 - $3,196.15
    $3,196.15

    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...

    View full details
    $0.00 - $0.00
    $0.00
    $3,196.15
    $3,196.15 - $3,196.15
    $3,196.15

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