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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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  • CSF 2001 Chevrolet Silverado 2500HD 6.6L OEM Intercooler

    CSF
    Original price $560.00 - Original price $560.00
    Original price
    $560.00
    $560.00 - $560.00
    Current price $560.00

    CSF Model 6007CSF 2001 Chevrolet Silverado 2500HD 6.6L OEM Intercooler

    Original price $560.00 - Original price $560.00
    Original price
    $560.00
    $560.00 - $560.00
    Current price $560.00
  • Duramax Compound Turbo Oil Feed Line

    Pusher Intakes
    Original price $55.00 - Original price $55.00
    Original price
    $55.00
    $55.00 - $55.00
    Current price $55.00

    Pusher Model DOFL Duramax Compound Turbo Oil Feed Line

    Original price $55.00 - Original price $55.00
    Original price
    $55.00
    $55.00 - $55.00
    Current price $55.00
  • XDP XTRA Cool Water Pump Housing (Housing Only) XD684

    XDP
    Original price $89.00 - Original price $89.00
    Original price
    $89.00
    $89.00 - $89.00
    Current price $89.00

    XDP Model XD6842001-2005 GM 6.6L Duramax LB7/LLY | 2003-2005 GM Kodiak/Topkick C4500/C5500 6.6L DuramaxThe XDP X-TRA Cool Water Pump Housing (Housi...

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    Original price $89.00 - Original price $89.00
    Original price
    $89.00
    $89.00 - $89.00
    Current price $89.00
  • XDP XTRA Cool Water Pump (Pump Only) XD665

    XDP
    Original price $113.00 - Original price $113.00
    Original price
    $113.00
    $113.00 - $113.00
    Current price $113.00

    XDP Model XD6652001-2005 GM 6.6L Duramax LB7/LLY | 2003-2005 GM Kodiak/Topkick C4500/C5500 6.6L DuramaxReplace the failed water pump on your GM 6.6...

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    Original price $113.00 - Original price $113.00
    Original price
    $113.00
    $113.00 - $113.00
    Current price $113.00
  • ATS Diesel 2004.5-2005 LCT-1000 5-Speed Stage 6 Transmission Rebuild kit

    ATS Diesel
    Original price $5,093.00 - Original price $5,093.00
    Original price
    $5,093.00
    $5,093.00 - $5,093.00
    Current price $5,093.00

    ATS Model 31390642902004.5 to 2005 GM Allison 5 speed Kit (Stage 6). Includes: TripleLok Torque Converter (Patented Square tab) Exchange the Tripl...

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    Original price $5,093.00 - Original price $5,093.00
    Original price
    $5,093.00
    $5,093.00 - $5,093.00
    Current price $5,093.00
  • ATS Diesel 2003-05 GM LCT1000 Performance Valve Body Assembly

    ATS Diesel
    Original price $1,258.00 - Original price $1,258.00
    Original price
    $1,258.00
    $1,258.00 - $1,258.00
    Current price $1,258.00

    ATS Model 3039004272Serving truck enthusiasts for nearly two decades, ATS invents, designs, manufactures, and sells the world's most innovative die...

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    Original price $1,258.00 - Original price $1,258.00
    Original price
    $1,258.00
    $1,258.00 - $1,258.00
    Current price $1,258.00
  • ATS Diesel ATS Extra Deep Transmission Pan - Allison LCT1000/2000 Automatic

    ATS Diesel
    Original price $550.00 - Original price $550.00
    Original price
    $550.00
    $550.00 - $550.00
    Current price $550.00

    ATS Model 3019004248ATS Extra Deep Transmission Pan - Allison LCT1000/2000 AutomaticDeep Pan Features Include: Deep filter and gasket necessary fo...

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    Original price $550.00 - Original price $550.00
    Original price
    $550.00
    $550.00 - $550.00
    Current price $550.00
  • ATS Diesel 04.5-05 LCT-1000 5-Speed Stage 7 Transmission Rebuild kit

    ATS Diesel
    Original price $6,650.00 - Original price $6,650.00
    Original price
    $6,650.00
    $6,650.00 - $6,650.00
    Current price $6,650.00

    ATS Model 31390742902004.5 to 2005 GM Allison 5 speed Kit (Stage 7).Includes: TripleLok Torque Converter (Patented Square tab) Exchange the Triple...

    View full details
    Original price $6,650.00 - Original price $6,650.00
    Original price
    $6,650.00
    $6,650.00 - $6,650.00
    Current price $6,650.00
  • ATS Diesel 2001-04 LCT-1000 5-Speed Stage 7 Transmission Rebuild kit

    ATS Diesel
    Original price $6,650.00 - Original price $6,650.00
    Original price
    $6,650.00
    $6,650.00 - $6,650.00
    Current price $6,650.00

    ATS Model 31390742482001 to Early 2004 GM Allison 5 speed Kit (Stage 7).Includes: TripleLok Torque Converter (Patented Square tab) Pump Kit Manufa...

    View full details
    Original price $6,650.00 - Original price $6,650.00
    Original price
    $6,650.00
    $6,650.00 - $6,650.00
    Current price $6,650.00
  • ATS Diesel 2001-02 GM LCT1000 Performance Valve Body Assembly

    ATS Diesel
    Original price $1,258.00 - Original price $1,258.00
    Original price
    $1,258.00
    $1,258.00 - $1,258.00
    Current price $1,258.00

    ATS Model 3039004248Serving truck enthusiasts for nearly two decades, ATS invents, designs, manufactures, and sells the world's most innovative die...

    View full details
    Original price $1,258.00 - Original price $1,258.00
    Original price
    $1,258.00
    $1,258.00 - $1,258.00
    Current price $1,258.00
  • ATS Diesel 2001-04 ATS LCT-1000 5-Speed Stage 6 Transmission Rebuild kit

    ATS Diesel
    Original price $5,093.00 - Original price $5,093.00
    Original price
    $5,093.00
    $5,093.00 - $5,093.00
    Current price $5,093.00

    ATS Model 31390642482001 to Early 2004 GM Allison 5 speed Kit (Stage 6).Includes: TripleLok Torque Converter (Patented Square tab) Exchange the Tr...

    View full details
    Original price $5,093.00 - Original price $5,093.00
    Original price
    $5,093.00
    $5,093.00 - $5,093.00
    Current price $5,093.00
  • Fleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LMM) - Medium Line

    Fleece Performance
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $136.00
    $136.00 - $136.00
    Current price $136.00

    Fleece Performance Model FPE-TL-LB7-LMM-MED-SERFleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LMM) - Medium Line ...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $136.00
    $136.00 - $136.00
    Current price $136.00
  • Fleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LMM) - Long Line

    Fleece Performance
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $193.00
    $193.00 - $193.00
    Current price $193.00

    Fleece Performance Model FPE-TL-LB7-LMM-LONG-SERFleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LMM) - Long Line ...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $193.00
    $193.00 - $193.00
    Current price $193.00
  • Fleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LLY) - Short Line

    Fleece Performance
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $109.00
    $109.00 - $109.00
    Current price $109.00

    Fleece Performance Model FPE-TL-LB7-LLY-SHORT-SERFleece Performance 01-05 GM 2500/3500 Duramax Replacement Transmission Line (LB7/LLY) - Short Line...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $109.00
    $109.00 - $109.00
    Current price $109.00
  • V2 Steering Stabilizer | Multiple Makes & Models (Chevy/GMC/Jeep)

    Rough Country
    Original price $172.00 - Original price $172.00
    Original price
    $172.00
    $172.00 - $172.00
    Current price $172.00

    Superior Design and Comfort. Give yourself peace of mind when upgrading to a larger wheel and tire set up with Rough Country's V2 stabilizers! Stee...

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    Original price $172.00 - Original price $172.00
    Original price
    $172.00
    $172.00 - $172.00
    Current price $172.00
  • V2 Rear Shocks | 0-3.5" | Chevy/GMC 2500HD/3500HD (01-24)

    Rough Country
    Original price $372.00 - Original price $372.00
    Original price
    $372.00
    $372.00 - $372.00
    Current price $372.00

    Whether youre tackling tough terrain or smooth city streets, Rough Countrys Nitrogen-charged V2 Monotube Shock Absorber leads the way, delivering i...

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    Original price $372.00 - Original price $372.00
    Original price
    $372.00
    $372.00 - $372.00
    Current price $372.00
  • V2 Steering Stabilizer | 0-3 Inch Lift | Chevy/GMC 1500 Truck/Tahoe/Yukon 4WD

    Rough Country
    Original price $193.00 - Original price $193.00
    Original price
    $193.00
    $193.00 - $193.00
    Current price $193.00

    Superior Design and Comfort. Give yourself peace of mind when upgrading to a larger wheel and tire set up with Rough Country's V2 stabilizers! Stee...

    View full details
    Original price $193.00 - Original price $193.00
    Original price
    $193.00
    $193.00 - $193.00
    Current price $193.00
  • V2 Front Shocks | 0-4" | Chevy/GMC 2500HD 2WD/4WD (01-10)

    Rough Country
    Original price $372.00 - Original price $372.00
    Original price
    $372.00
    $372.00 - $372.00
    Current price $372.00

    Whether youre tackling tough terrain or smooth city streets, Rough Countrys Nitrogen-charged V2 Monotube Shock Absorber leads the way, delivering i...

    View full details
    Original price $372.00 - Original price $372.00
    Original price
    $372.00
    $372.00 - $372.00
    Current price $372.00
  • V2 Steering Stabilizer | Ram 2500/3500 4WD (2010-2012)

    Rough Country
    Original price $172.00 - Original price $172.00
    Original price
    $172.00
    $172.00 - $172.00
    Current price $172.00

    Superior Design and Comfort. Give yourself peace of mind when upgrading to a larger wheel and tire set up with Rough Country's V2 stabilizers! Stee...

    View full details
    Original price $172.00 - Original price $172.00
    Original price
    $172.00
    $172.00 - $172.00
    Current price $172.00
  • V2 Steering Stabilizer | Dodge 1500 (94-01)/2500 (94-02) 2WD

    Rough Country
    Original price $193.00 - Original price $193.00
    Original price
    $193.00
    $193.00 - $193.00
    Current price $193.00

    Superior Design and Comfort. Give yourself peace of mind when upgrading to a larger wheel and tire set up with Rough Country's V2 stabilizers! Stee...

    View full details
    Original price $193.00 - Original price $193.00
    Original price
    $193.00
    $193.00 - $193.00
    Current price $193.00
  • 6 Inch Lift Kit | Chevy/GMC Sierra/Silverado 2500 4WD (1999-2004)

    Rough Country
    Original price $1,857.00 - Original price $1,857.00
    Original price
    $1,857.00
    $1,857.00 - $1,857.00
    Current price $1,857.00

    Take your Heavy Duty Truck to the next level with Rough Country's 6-inch Suspension Lift designed to run up to 35-inch tires. Gain increased ground...

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    Original price $1,857.00 - Original price $1,857.00
    Original price
    $1,857.00
    $1,857.00 - $1,857.00
    Current price $1,857.00
  • M1 Monotube Rear Shocks | 5-7" | Chevy/GMC 2500HD/3500HD (01-24)

    Rough Country
    Original price $258.00 - Original price $258.00
    Original price
    $258.00
    $258.00 - $258.00
    Current price $258.00

    Whether you're tackling tough terrain or smooth city streets, Rough Country's Nitrogen-charged M1 Monotube Shock Absorber leads the way, delivering...

    View full details
    Original price $258.00 - Original price $258.00
    Original price
    $258.00
    $258.00 - $258.00
    Current price $258.00
  • N3 Front Shocks | 5.5-7" | Chevy/GMC 2500HD 2WD/4WD (01-10)

    Rough Country
    Original price $172.00 - Original price $172.00
    Original price
    $172.00
    $172.00 - $172.00
    Current price $172.00

    Improve your on and off-road ride quality with Rough Country's premium N3 shocks! These 10-stage variable valving, high-pressure Nitrogen charged s...

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    Original price $172.00 - Original price $172.00
    Original price
    $172.00
    $172.00 - $172.00
    Current price $172.00
  • N3 Front Shocks | 0-4" | Chevy/GMC 2500HD 2WD/4WD (01-10)

    Rough Country
    Original price $172.00 - Original price $172.00
    Original price
    $172.00
    $172.00 - $172.00
    Current price $172.00

    Improve your on and off-road ride quality with Rough Country's premium N3 shocks! These 10-stage variable valving, high-pressure Nitrogen charged s...

    View full details
    Original price $172.00 - Original price $172.00
    Original price
    $172.00
    $172.00 - $172.00
    Current price $172.00

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