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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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  • S&S Diesel Motorsport Single Stage Pressure Relief Valve External Return LB7/5.9 Style 2200 Bar M18x1.5

    S&S
    Original price $286.00 - Original price $286.00
    Original price
    $286.00
    $286.00 - $286.00
    Current price $286.00

    S&S Model PRV-E-2200-1SS&S Diesel Motorsport Single Stage Pressure Relief Valve External Return. LB7/5.9 Style 2200 Bar M18x1.5

    Original price $286.00 - Original price $286.00
    Original price
    $286.00
    $286.00 - $286.00
    Current price $286.00
  • Wehrli 01-04 Chevrolet 6.6L LB7 Duramax Fuel Pressure Relief Valve Delete Kit

    Wehrli
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $72.75
    $72.75 - $72.75
    Current price $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...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $72.75
    $72.75 - $72.75
    Current price $72.75
  • Gm Injector Screw In Cups For 2001-2004.5 6.6L LB7 Duramax Includes Install Tool and Hardware Industrial Injection

    Industrial Injection
    Original price $899.95
    Original price $899.95 - Original price $899.95
    Original price $899.95
    Current price $872.95
    $872.95 - $872.95
    Current price $872.95

    Industrial Injection Model: PDM-07021KThe factory injector cups are known for leaking, pitting and seizing themselves to the injectors in your LB7....

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    Original price $899.95
    Original price $899.95 - Original price $899.95
    Original price $899.95
    Current price $872.95
    $872.95 - $872.95
    Current price $872.95
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  • PureFlow AirDog 01-10 Chevrolet 6.6L Duramax FP-100-4G Fuel Pump

    AirDog
    Original price $715.00
    Original price $715.00 - Original price $715.00
    Original price $715.00
    Current price $664.20
    $664.20 - $664.20
    Current price $664.20

    Airdog Model A4SPBC185 This is the AirDog I FP-100-4G fuel system for the 2001-2010 Chevy/GMC Duramax 6.6L. This diesel lift pump mounts to the fra...

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    Original price $715.00
    Original price $715.00 - Original price $715.00
    Original price $715.00
    Current price $664.20
    $664.20 - $664.20
    Current price $664.20
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  • 0700 SynShield™ Durability Advantage 15W-40

    Schaeffer's
    Original price $170.64 - Original price $316.08
    Original price
    $170.64
    $170.64 - $316.08
    Current price $170.64

    0700 SynShield® Durability Advantage 15W-40 Oil is a premium performance, synthetic plus, heavy-duty diesel engine oil formulated to provide maximu...

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    Original price $170.64 - Original price $316.08
    Original price
    $170.64
    $170.64 - $316.08
    Current price $170.64
  • Kryptonite Tie Rod Rebuild Kit for Stock Center Link for 2001–2010 Chevy/GMC HD Trucks - 10KRYNEW78

    Kryptonite
    Original price $218.49 - Original price $218.49
    Original price
    $218.49
    $218.49 - $218.49
    Current price $218.49

    Kryptonite Part # - 10KRYNEW78 Fits: 2001–2010 GM Trucks with Kryptonite Tie Rods and a stock centerlink Important Fitment Info: This kit is desig...

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    Original price $218.49 - Original price $218.49
    Original price
    $218.49
    $218.49 - $218.49
    Current price $218.49
  • Smeding Diesel S467 T4 90 Degree Cover Turbocharger

    Smeding
    Original price $1,150.00 - Original price $1,780.00
    Original price
    $1,150.00
    $1,150.00 - $1,780.00
    Current price $1,150.00

    Smeding Diesel S467 T4 90 Degree Cover Turbocharger This turbo will come with out Smeding Diesel exclusive, 90* 3rd gen style race cover instead of...

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    Original price $1,150.00 - Original price $1,780.00
    Original price
    $1,150.00
    $1,150.00 - $1,780.00
    Current price $1,150.00
  • Smeding Diesel S464 T4 90 Degree Cover Turbocharger

    Smeding
    Original price $975.00 - Original price $1,360.00
    Original price
    $975.00
    $975.00 - $1,360.00
    Current price $975.00

    Smeding Diesel S464 T4 90 Degree Cover Turbocharger This turbo will come with out Smeding Diesel exclusive, 90* 3rd gen style race cover instead of...

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    Original price $975.00 - Original price $1,360.00
    Original price
    $975.00
    $975.00 - $1,360.00
    Current price $975.00
  • XDP Fuel Tank Sump - One Hole Design With Fuel Return XD243

    XDP
    Original price $185.95 - Original price $185.95
    Original price
    $185.95
    $185.95 - $185.95
    Current price $185.95

    XDP Model XD243The XDP Fuel Tank Sump with Built-In Fuel Return XD243 provides you with a perfect option to maximize fuel delivery, and customizati...

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    Original price $185.95 - Original price $185.95
    Original price
    $185.95
    $185.95 - $185.95
    Current price $185.95
  • Wehrli Big Hitch Products Billet Aluminum Competition Kill Switch

    Wehrli
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $195.00
    $195.00 - $195.00
    Current price $195.00

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

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $195.00
    $195.00 - $195.00
    Current price $195.00
  • M14 x 1.5 Lug Nut Set of 32 | Black

    Rough Country
    Original price $39.95 - Original price $39.95
    Original price
    $39.95
    $39.95 - $39.95
    Current price $39.95

    Secure your new wheels with Rough Countrys Bulge Acorn Style Lug Nuts. These cold-forged lug nuts are plated with a beautiful chrome finish for a l...

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    Original price $39.95 - Original price $39.95
    Original price
    $39.95
    $39.95 - $39.95
    Current price $39.95
  • DDP Common Rail High Pressure Diesel Injection System Cleaner

    DDP
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $47.50
    $47.50 - $47.50
    Current price $47.50

    DDP Model DDPCRCLEANHeavy duty, one-time use injection system cleaner. Cleans the entire fuel system! This product removes contamination, resin and...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $47.50
    $47.50 - $47.50
    Current price $47.50
  • Wehrli 2001+ GM Duramax LB7/LLY/LBZ/LMM/LML/L5P Billet Oil Fill Cap - Clear Anodized

    Wehrli
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $51.41
    $51.41 - $51.41
    Current price $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...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $51.41
    $51.41 - $51.41
    Current price $51.41
  • Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Upper Coolant Pipe

    Wehrli
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $144.53
    $144.53 - $144.53
    Current price $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 ...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $144.53
    $144.53 - $144.53
    Current price $144.53
  • Fleece Performance 01-16 GM Duramax 6.6L CP3 Adapter Kit w/O-Rings

    Fleece Performance
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $66.49
    $66.49 - $66.49
    Current price $66.49

    Fleece Performance Model FPE-DMAX-CP3-ADPTReplacement CP3 adapter machined from billet aluminum for the 2001-2016 GM Duramax. Includes new O-rings ...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $66.49
    $66.49 - $66.49
    Current price $66.49
  • South Bend Clutch Chevy Duramax 6.6L Replacemnt Hydraulic Assembly

    South Bend Clutch
    Original price $204.27
    Original price $204.27 - Original price $204.27
    Original price $204.27
    Current price $203.10
    $203.10 - $203.10
    Current price $203.10

    South Bend Clutch Model HYDX-MAXSouth Bend Clutch Chevy Duramax 6.6L Replacemnt Hydraulic AssemblyThis Part Fits: Year Make Model Submodel 2001-...

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    Original price $204.27
    Original price $204.27 - Original price $204.27
    Original price $204.27
    Current price $203.10
    $203.10 - $203.10
    Current price $203.10
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  • Mishimoto 01-21 Silverado Sierra Express Savana Duramax 6.6L Low Temp Thermostat Set

    Mishimoto
    Original price $110.00
    Original price $110.00 - Original price $110.00
    Original price $110.00
    Current price $99.95
    $99.95 - $99.95
    Current price $99.95

    Mishimoto 01-21 Silverado Sierra Express Savana Duramax 6.6L Low Temp Thermostat Set Fits 2001-2021 Chevrolet/GMC 6.6L Duramax (see fitment char...

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    Original price $110.00
    Original price $110.00 - Original price $110.00
    Original price $110.00
    Current price $99.95
    $99.95 - $99.95
    Current price $99.95
    Save 9% Save %
  • GM FCA For 2004.5-2005 LLY 6.6L Duramax Industrial Injection

    Industrial Injection
    Original price $190.15 - Original price $190.15
    Original price
    $190.15
    $190.15 - $190.15
    Current price $190.15

    Industrial Injection Model: 0928400653-IISReplacement FCA for a LL7 CP3. Industrial Injection is the leading distributor, supplier and remanufactur...

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    Original price $190.15 - Original price $190.15
    Original price
    $190.15
    $190.15 - $190.15
    Current price $190.15
  • Wehrli 01-04 Chevrolet Duramax LB7 S300/S400 Single Turbo 3in Y-Bridge Kit

    Wehrli
    Original price $644.00
    Original price $644.00 - Original price $644.00
    Original price $644.00
    Current price $571.33
    $571.33 - $571.33
    Current price $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...

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    Original price $644.00
    Original price $644.00 - Original price $644.00
    Original price $644.00
    Current price $571.33
    $571.33 - $571.33
    Current price $571.33
    Save 11% Save %
  • Wehrli 01-04 Chevrolet LB7 Duramax High Flow Intake Bundle Kit Stage 1

    Wehrli
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $1,143.63
    $1,143.63 - $1,143.63
    Current price $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...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $1,143.63
    $1,143.63 - $1,143.63
    Current price $1,143.63
  • FASS 01-10 GM 2500/3500 Duramax 165gph Titanium Series Fuel Air Separation System TS C10 165G

    FASS Fuel Systems
    Original price $793.68
    Original price $793.68 - Original price $793.68
    Original price $793.68
    Current price $754.00
    $754.00 - $754.00
    Current price $754.00

    Fass Fuel Systems Model: TSC10165GFASS Fuel Systems Diesel System 2001-2010 GM Duramax 6.6L Titanium Signature Series 165GPH (TSC10165G) Part No: T...

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    Original price $793.68
    Original price $793.68 - Original price $793.68
    Original price $793.68
    Current price $754.00
    $754.00 - $754.00
    Current price $754.00
    Save 5% Save %
  • Schaeffer's 0204SAT All-Trans Supreme ATF

    Schaeffer's
    Original price $235.68 - Original price $384.60
    Original price
    $235.68
    $235.68 - $384.60
    Current price $235.68

    0204SAT All-Trans Supreme® is formulated with a special blend of synthetic base oils, a highly shear, stable viscosity improver, and a multi-functi...

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    Original price $235.68 - Original price $384.60
    Original price
    $235.68
    $235.68 - $384.60
    Current price $235.68
  • Kryptonite Remote Reservoir Mount Kit For 2001–2010 Chevy/GMC HD Trucks & 2002–2009 Hummer H2

    Kryptonite
    Original price $170.99 - Original price $170.99
    Original price
    $170.99
    $170.99 - $170.99
    Current price $170.99

    Fits: 2001–2010 Chevy 2500HD/3500HD 2001–2010 GMC 2500HD/3500HD 2002–2009 Hummer H2 Important Fitment Details: Fits front shock towers. Sold as a p...

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    Original price $170.99 - Original price $170.99
    Original price
    $170.99
    $170.99 - $170.99
    Current price $170.99
  • Kryptonite Inner Tie Rod Tool For Chevy/GMC Trucks

    Kryptonite
    Original price $28.49 - Original price $28.49
    Original price
    $28.49
    $28.49 - $28.49
    Current price $28.49

    Fits; Any Kryptonite Death Grip Style Inner Tie Rod for GM Trucks Important Fitment Info: This tool is specifically designed to install or remove K...

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    Original price $28.49 - Original price $28.49
    Original price
    $28.49
    $28.49 - $28.49
    Current price $28.49

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