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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 Injector Seal Kit (combustion seal + body o-ring + inlet o-ring) - LB7

    S&S
    Original price $7.00 - Original price $7.00
    Original price
    $7.00
    $7.00 - $7.00
    Current price $7.00

    S&S Model INJ-SEALS-LB7Injector Seal Kit for all 8 injectors (combustion seal + body o-ring + inlet o-ring) - LB7 *Generic Image

    Original price $7.00 - Original price $7.00
    Original price
    $7.00
    $7.00 - $7.00
    Current price $7.00
  • 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 01-16 Chevrolet 6.6L LB7/LLY/LBZ/LMM/LML Duramax Up Pipe Bolt Kit

    Wehrli
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $36.86
    $36.86 - $36.86
    Current price $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...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $36.86
    $36.86 - $36.86
    Current price $36.86
  • 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
  • Fleece Performance 01-17 GM Duramax Billet Coolant Block Off Plate

    Fleece Performance
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $55.00
    $55.00 - $55.00
    Current price $55.00

    Fleece Performance Model FPE-DMAX-CBOP2001-2016 Duramax Billet Coolant Block Off Plate (Replaces GM P/N: 97941204) OE covers are prone to leakage a...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $55.00
    $55.00 - $55.00
    Current price $55.00
  • 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 $112.00
    Original price $112.00 - Original price $112.00
    Original price $112.00
    Current price $101.95
    $101.95 - $101.95
    Current price $101.95

    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 $112.00
    Original price $112.00 - Original price $112.00
    Original price $112.00
    Current price $101.95
    $101.95 - $101.95
    Current price $101.95
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  • Exergy 01-04 Chevrolet Duramax 6.6L LB7 Rail Pressure Sensor

    Exergy
    Original price $229.00 - Original price $229.00
    Original price
    $229.00
    $229.00 - $229.00
    Current price $229.00

    Exergy 01-04 Chevy Duramax LB7 Rail Pressure Sensor

    Original price $229.00 - Original price $229.00
    Original price
    $229.00
    $229.00 - $229.00
    Current price $229.00
  • 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 $693.00
    $693.00 - $693.00
    Current price $693.00

    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 $693.00
    $693.00 - $693.00
    Current price $693.00
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  • Schaeffer's 0204SAT All-Trans Supreme ATF

    Schaeffer's
    Original price $199.75 - Original price $325.94
    Original price
    $199.75 - $325.94
    $199.75 - $325.94
    Current price $199.75

    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 $199.75 - Original price $325.94
    Original price
    $199.75 - $325.94
    $199.75 - $325.94
    Current price $199.75
  • Pusher Max Compound Turbo System for 2001-2004 Duramax LB7 Trucks

    Pusher Intakes
    Original price $3,185.00 - Original price $5,174.00
    Original price
    $3,185.00 - $5,174.00
    $3,185.00 - $5,174.00
    Current price $3,185.00

    Pusher Intakes Model PGD0104GBS_N The Pusher Max Compound Turbo System was designed and tested with the vision of producing the best value kit on t...

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    Original price $3,185.00 - Original price $5,174.00
    Original price
    $3,185.00 - $5,174.00
    $3,185.00 - $5,174.00
    Current price $3,185.00
  • Kryptonite Press-in Upper Ball Joint For Stock Control Arm For 2001–2010 Chevy/GMC HD Trucks & Hummer H2

    Kryptonite
    Original price $56.99 - Original price $56.99
    Original price
    $56.99
    $56.99 - $56.99
    Current price $56.99

    Fits:2001–2010 Chevy/GMC 1500HD / 2500HD / 3500HD & Hummer H2 with stock control arms only Features: Heavy-Duty Construction – Engineered for ...

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    Original price $56.99 - Original price $56.99
    Original price
    $56.99
    $56.99 - $56.99
    Current price $56.99
  • Kryptonite Upper And Lower Ball Joint Package Deal For Stock Control Arms For 2001–2010 Chevy/GMC HD Trucks

    Kryptonite
    Original price $189.99 - Original price $189.99
    Original price
    $189.99
    $189.99 - $189.99
    Current price $189.99

    Fits: 2001–2010 Chevy/GMC 2500HD, 3500HD, 2002–2009 Hummer H2 (8 Lug Trucks Only) Important Fitment Info: This package is designed as a direct repl...

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    Original price $189.99 - Original price $189.99
    Original price
    $189.99
    $189.99 - $189.99
    Current price $189.99
  • XDP Injector Brush Kit XD376

    XDP
    Original price $29.95 - Original price $29.95
    Original price
    $29.95
    $29.95 - $29.95
    Current price $29.95

    XDP Model XD376 The XDP Injector Brush Kit XD376 helps clean the injector bore and seat when replacing the injectors in your Powerstroke or Durama...

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    Original price $29.95 - Original price $29.95
    Original price
    $29.95
    $29.95 - $29.95
    Current price $29.95
  • Smeding Diesel S464 T4 Turbocharger

    Smeding
    Original price $975.00 - Original price $1,510.00
    Original price
    $975.00 - $1,510.00
    $975.00 - $1,510.00
    Current price $975.00

    s464 t4 turbocharger

    Original price $975.00 - Original price $1,510.00
    Original price
    $975.00 - $1,510.00
    $975.00 - $1,510.00
    Current price $975.00
  • Smeding Diesel S467 T4 90 Degree Cover Turbocharger

    Smeding
    Original price $1,150.00 - Original price $1,780.00
    Original price
    $1,150.00 - $1,780.00
    $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 - $1,780.00
    $1,150.00 - $1,780.00
    Current price $1,150.00
  • Smeding Diesel S369 SXE Turbocharger

    Smeding
    Original price $975.00 - Original price $1,265.00
    Original price
    $975.00 - $1,265.00
    $975.00 - $1,265.00
    Current price $975.00

    Smeding Diesel S369 SXE Turbocharger

    Original price $975.00 - Original price $1,265.00
    Original price
    $975.00 - $1,265.00
    $975.00 - $1,265.00
    Current price $975.00
  • S400 4.62 S400 down pipe with clamp

    Smeding
    Original price $199.00 - Original price $199.00
    Original price
    $199.00
    $199.00 - $199.00
    Current price $199.00

    S400 4.62 S400 down pipe with clamp

    Original price $199.00 - Original price $199.00
    Original price
    $199.00
    $199.00 - $199.00
    Current price $199.00
  • XDP X-tra Cool Direct-fit Replacement Radiator XD295

    XDP
    Original price $355.95 - Original price $355.95
    Original price
    $355.95
    $355.95 - $355.95
    Current price $355.95

    XDP Model XD295The XDP X-TRA Cool Direct-Fit Replacement Radiator XD295 is an upgrade for the old leaking radiator in your 2001-2005 GM 6.6L Durama...

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    Original price $355.95 - Original price $355.95
    Original price
    $355.95
    $355.95 - $355.95
    Current price $355.95
  • XDP Duramax Cat Adapter With 1R-0750 Filter, Bleeder Screw & Spacer XD171

    XDP
    Original price $109.95 - Original price $109.95
    Original price
    $109.95
    $109.95 - $109.95
    Current price $109.95

    XDP Model XD171The XDP Duramax CAT Adapter with 1R-0750 Filter, Bleeder Screw & Spacer XD171 is an easy way to upgrade the fuel filter on your ...

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    Original price $109.95 - Original price $109.95
    Original price
    $109.95
    $109.95 - $109.95
    Current price $109.95
  • Mishimoto Mishimoto Steel Spiked Lug Nuts M14 x 1.5 32pc Set Black

    Mishimoto
    Original price $123.00
    Original price $123.00 - Original price $123.00
    Original price $123.00
    Current price $111.95
    $111.95 - $111.95
    Current price $111.95

    Mishimoto Model MMLG-SP1415-32BKThe details matter when you're building your dream car. Every bolt is meticulously chosen for not only function, bu...

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    Original price $123.00
    Original price $123.00 - Original price $123.00
    Original price $123.00
    Current price $111.95
    $111.95 - $111.95
    Current price $111.95
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  • 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
  • Power Steering Pump New with Reservoir 2001-2010 Chevrolet Silverado/GMC Sierra 2500/3500 XDP Xtreme Diesel Performance

    XDP
    Original price $196.95 - Original price $196.95
    Original price
    $196.95
    $196.95 - $196.95
    Current price $196.95

    Replace that leaking or noisy power steering pump in your GM 6.6L Duramax LB7/LLY/LBZ/LMM with the XDP Power Steering Pump New with Reservoir XD733...

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    Original price $196.95 - Original price $196.95
    Original price
    $196.95
    $196.95 - $196.95
    Current price $196.95

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