Skip to content
Free Shipping on most orders over $150.00    Sale on Select DDP Products Shop Now                    
Free Shipping on most orders over $150.00    Sale on Select DDP Products Shop Now                    

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 Big Hitch Products 2001-2010 GM 2500 / 3500 BEHIND Roll Pan 2.5" Inch Hidden Receiver Hitch

    Wehrli
    $549.00 - $549.00
    $549.00
    $549.00 - $549.00
    $549.00

    Wehrli Big Hitch Products Model BHP1015, BHP1029  - SAE J684-05 certified- Class 4+ Receiver- Complete bolt in design- All necessary hardware inclu...

    View full details
    $549.00 - $549.00
    $549.00
    $549.00 - $549.00
    $549.00
  • responsive-image responsive-image

    Wehrli 01-16 Chevrolet 6.6L LB7/LLY/LBZ/LMM/LML Duramax Up Pipe Bolt Kit

    Wehrli
    $0.00 - $0.00
    $0.00
    $36.86
    $36.86 - $36.86
    $36.86

    Wehrli Model WCF100240 ARP Bolt kit for 2001-2016 Duramax Up Pipes or LB7 Turbo Down pipe. 6 Washers and Bolts for installing 1 up pipe. Includes A...

    View full details
    $0.00 - $0.00
    $0.00
    $36.86
    $36.86 - $36.86
    $36.86
  • responsive-image responsive-image

    Wehrli 01-04 Chevrolet 6.6L LB7 Duramax Fuel Pressure Relief Valve Delete Kit

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

    Wehrli Model WCF100023Wehrli 01-04 Chevrolet 6.6L LB7 Duramax Fuel Pressure Relief Valve Delete Kit This kit allows you to remove the Fuel Pressure...

    View full details
    $0.00 - $0.00
    $0.00
    $72.75
    $72.75 - $72.75
    $72.75
  • responsive-image responsive-image

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

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

    Wehrli Model WCF100442Wehrli 2001+ GM Duramax LB7/LLY/LBZ/LMM/LML/L5P Billet Oil Fill Cap - Clear Anodized Clean up the engine bay of your 2001-202...

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

    Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Upper Coolant Pipe

    Wehrli
    $0.00 - $0.00
    $0.00
    $144.53
    $144.53 - $144.53
    $144.53

    Wehrli Model WCF100860 Aluminum Upper Coolant Pipe for LB7/LLY Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of ...

    View full details
    $0.00 - $0.00
    $0.00
    $144.53
    $144.53 - $144.53
    $144.53
    Select Options
  • responsive-image responsive-image Save 11% Save %

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

    Wehrli
    $644.00
    $644.00 - $644.00
    $644.00
    $571.33
    $571.33 - $571.33
    $571.33

    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
    $571.33
    $571.33 - $571.33
    $571.33
    Save 11% Save %
    Select Options
  • responsive-image responsive-image

    Wehrli 01-04 Chevrolet LB7 Duramax High Flow Intake Bundle Kit Stage 1

    Wehrli
    $0.00 - $0.00
    $0.00
    $1,143.63
    $1,143.63 - $1,143.63
    $1,143.63

    Wehrli Model WCF100411 Already have an air intake and turbo down pipe that you're happy with, but looking to improve your LB7's performance and eff...

    View full details
    $0.00 - $0.00
    $0.00
    $1,143.63
    $1,143.63 - $1,143.63
    $1,143.63
    Select Options
  • responsive-image responsive-image

    Wehrli Big Hitch Products Billet Aluminum Competition Kill Switch

    Wehrli
    $0.00 - $0.00
    $0.00
    $195.00
    $195.00 - $195.00
    $195.00

    Wehrli Big Hitch Products Model BHP4010 Universal Kill Switch for Competition Pulling Vehicles to cut ground wire circuit of Ignition, Fuel pump...

    View full details
    $0.00 - $0.00
    $0.00
    $195.00
    $195.00 - $195.00
    $195.00
  • 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
    Select Options
  • responsive-image responsive-image

    Wehrli 01-04 Chevrolet 6.6L Duramax LB7 2in Stainless Up Pipe Kit w/Gaskets - Single Turbo

    Wehrli
    $0.00 - $0.00
    $0.00
    $619.83
    $619.83 - $619.83
    $619.83

    Wehrli Model WCF100590Wehrli 01-04 Chevrolet 6.6L Duramax LB7 2in Stainless Up Pipe Kit w/Gaskets - Single Turbo Replace the lightweight 16G, leak-...

    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 3in Down Pipe

    Wehrli
    $0.00 - $0.00
    $0.00
    $237.65
    $237.65 - $237.65
    $237.65

    Wehrli Model WCF100119 3" LB7 Turbo Downpipe for use with OEM charger or Stealth series Drop in. High Temp Coated and Heat Wrap included. Compatibl...

    View full details
    $0.00 - $0.00
    $0.00
    $237.65
    $237.65 - $237.65
    $237.65
  • responsive-image responsive-image

    Wehrli WCFab Coolant Tank Billet Cap - Black Anodized

    Wehrli
    $0.00 - $0.00
    $0.00
    $38.80
    $38.80 - $38.80
    $38.80

    Wehrli Model WCF100543Wehrli WCFab Coolant Tank Billet Cap - Black Anodized 18-20PSI Replacement Coolant Tank Cap, Black Anodized. Used on WCFab Fa...

    View full details
    $0.00 - $0.00
    $0.00
    $38.80
    $38.80 - $38.80
    $38.80
  • responsive-image responsive-image

    Wehrli Big Hitch Products License Plate Mount Bracket

    Wehrli
    $0.00 - $0.00
    $0.00
    $92.00
    $92.00 - $92.00
    $92.00

    Wehrli Big Hitch Products Model BHP4009 - Includes component for BHP 2" or 2.5" receiver behind roll pan hitches- Includes hardware for mounting ...

    View full details
    $0.00 - $0.00
    $0.00
    $92.00
    $92.00 - $92.00
    $92.00
  • responsive-image responsive-image

    Wehrli 99-23 GM Billet Coolant Heater Core Firewall Fitting

    Wehrli
    $0.00 - $0.00
    $0.00
    $40.74
    $40.74 - $40.74
    $40.74

    Wehrli Model 100155 *ALLOW 5-7 DAY LEAD TIME FOR SHIPMENT!Wehrli 99-23 GM Billet Coolant Heater Core Firewall Fitting The factory plastic GM Coolan...

    View full details
    $0.00 - $0.00
    $0.00
    $40.74
    $40.74 - $40.74
    $40.74
  • responsive-image responsive-image

    Wehrli LB7/LLY/LBZ/LMM Duramax Upper Coolant Pipe Plug

    Wehrli
    $0.00 - $0.00
    $0.00
    $40.74
    $40.74 - $40.74
    $40.74

    Wehrli Model WCF205-280Wehrli LB7/LLY/LBZ/LMM Duramax Upper Coolant Pipe Plug

    $0.00 - $0.00
    $0.00
    $40.74
    $40.74 - $40.74
    $40.74
  • 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
    Select Options
  • 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 Traction Bar Install Kit

    Wehrli
    $0.00 - $0.00
    $0.00
    $276.45
    $276.45 - $276.45
    $276.45

    Wehrli Model WCF100840 Built in house at WCFab our traction bar brackets bolt on to the bottom of the axle tube via the axle u-bolts and weld to th...

    View full details
    $0.00 - $0.00
    $0.00
    $276.45
    $276.45 - $276.45
    $276.45
  • responsive-image responsive-image Save 9% Save %

    Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit

    Wehrli
    $524.00
    $524.00 - $524.00
    $524.00
    $474.33
    $474.33 - $474.33
    $474.33

    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
    $474.33
    $474.33 - $474.33
    $474.33
    Save 9% Save %
    Select Options
  • responsive-image responsive-image Save 3% Save %

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

    Wehrli
    $1,855.00
    $1,855.00 - $1,855.00
    $1,855.00
    $1,799.95
    $1,799.95 - $1,799.95
    $1,799.95

    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
    $1,855.00
    $1,855.00 - $1,855.00
    $1,855.00
    $1,799.95
    $1,799.95 - $1,799.95
    $1,799.95
    Save 3% Save %
    Select Options
  • 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
    Select Options
  • responsive-image responsive-image Save 7% Save %

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

    Wehrli
    $669.00
    $669.00 - $669.00
    $669.00
    $619.83
    $619.83 - $619.83
    $619.83

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

    View full details
    $669.00
    $669.00 - $669.00
    $669.00
    $619.83
    $619.83 - $619.83
    $619.83
    Save 7% Save %
    Select Options
  • responsive-image responsive-image

    Wehrli 01-04 Chevrolet 6.6L Duramax LB7 2in Stainless Pass. Side Up Pipe w/Gaskets (Single Turbo)

    Wehrli
    $0.00 - $0.00
    $0.00
    $334.65
    $334.65 - $334.65
    $334.65

    Wehrli Model WCF100654Wehrli 01-04 Chevrolet 6.6L Duramax LB7 2in Stainless Pass. Side Up Pipe w/Gaskets (Single Turbo) Replace the lightweight 16G...

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

    Wehrli 01-04.5 Chevrolet 6.6L LB7 Duramax S400 Turbo Install Kit (No Turbo)

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

    Wehrli Model WCF100489 This kit will allow you to install an S400-based Turbo on your LB7 Duramax. Replacing all OEM plumbing and y-bridge with hig...

    View full details
    $3,196.15 - $3,196.15
    $3,196.15
    $3,196.15 - $3,196.15
    $3,196.15
    Select Options

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