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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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    DDP Common Rail High Pressure Diesel Injection System Cleaner

    DDP
    $80.00
    $80.00 - $80.00
    $80.00
    $76.00
    $76.00 - $76.00
    $76.00

    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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    $80.00
    $80.00 - $80.00
    $80.00
    $76.00
    $76.00 - $76.00
    $76.00
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    DDP 01-04 Chevrolet Duramax 6.6L LB7 Stock Reman Injector (Single)

    DDP
    $484.00
    $484.00 - $484.00
    $484.00
    $414.00
    $414.00 - $414.00
    $414.00

    DDP Model DDPLB7-STKDuramax 01-04 LB7 Injector: Remanufactured stock power level injector. Every internal component replaced with new OE components...

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    $484.00
    $484.00 - $484.00
    $484.00
    $414.00
    $414.00 - $414.00
    $414.00
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    DDP Duramax 01-04 LB7 Economy SeriesInjector Set

    DDP
    $5,587.00
    $5,587.00 - $5,587.00
    $5,587.00
    $4,777.00
    $4,777.00 - $4,777.00
    $4,777.00

    DDP Model DDPNLB7-ECODuramax 01-04 LB7 Injector Set: Brand New injector set, Economy Series with a very mild 10-20 RWHP increase and full injector ...

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    $5,587.00
    $5,587.00 - $5,587.00
    $5,587.00
    $4,777.00
    $4,777.00 - $4,777.00
    $4,777.00
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    DDP 01-04 Chevrolet Duramax 6.6L LB7 Stock Brand New Injector (Single)

    DDP
    $614.00
    $614.00 - $614.00
    $614.00
    $525.00
    $525.00 - $525.00
    $525.00

    DDP Model DDPNLB7-STKDuramax 01-04 LB7 Injector: Brand New stock power level injector. Comes with all the latest revisions. Sold individually with ...

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    $614.00
    $614.00 - $614.00
    $614.00
    $525.00
    $525.00 - $525.00
    $525.00
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    DDP Duramax 01-04 LB7 Brand New Injector Set - 75 (45% Over)

    DDP
    $5,587.00
    $5,587.00 - $5,587.00
    $5,587.00
    $4,777.00
    $4,777.00 - $4,777.00
    $4,777.00

    DDP Model DDPNLB7-75Duramax 01-04 LB7 Injector Set: Brand New injectors flowing at 45 percent over, capable of 725 RWHP with proper supporting modi...

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    $5,587.00
    $5,587.00 - $5,587.00
    $5,587.00
    $4,777.00
    $4,777.00 - $4,777.00
    $4,777.00
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    DDP Duramax 01-04 LB7 Brand New Injector Set - 50 (25% Over)

    DDP
    $5,587.00
    $5,587.00 - $5,587.00
    $5,587.00
    $4,777.00
    $4,777.00 - $4,777.00
    $4,777.00

    DDP Model DDPNLB7-50Duramax 01-04 LB7 Injector Set: Brand New injector set at 25 percent over, approximately 50 RWHP over stock. Injector set is ca...

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    $5,587.00
    $5,587.00 - $5,587.00
    $5,587.00
    $4,777.00
    $4,777.00 - $4,777.00
    $4,777.00
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    DDP Duramax 01-04 LB7 Brand New Injector Set - SAC Nozzle 100% Over

    DDP
    $7,762.00
    $7,762.00 - $7,762.00
    $7,762.00
    $6,637.00
    $6,637.00 - $6,637.00
    $6,637.00

    DDP Model DDPNLB7-200Duramax 01-04 LB7 Injector Set: Brand New injector set. SAC Nozzles flowing at 100 percent over with injector body modificatio...

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    $7,762.00
    $7,762.00 - $7,762.00
    $7,762.00
    $6,637.00
    $6,637.00 - $6,637.00
    $6,637.00
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    DDP Duramax 01-04 LB7 Brand New Injector Set - SAC Nozzle 150% Over

    DDP
    $7,762.00
    $7,762.00 - $7,762.00
    $7,762.00
    $6,637.00
    $6,637.00 - $6,637.00
    $6,637.00

    DDP Model DDPNLB7-300Duramax 01-04 LB7 Injector Set: Brand New injector set. SAC Nozzles at 150 percent over with injector body modifications for a...

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    $7,762.00
    $7,762.00 - $7,762.00
    $7,762.00
    $6,637.00
    $6,637.00 - $6,637.00
    $6,637.00
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    DDP Duramax 01-04 LB7 Brand New Injector Set - 100 (60% Over)

    DDP
    $6,364.00
    $6,364.00 - $6,364.00
    $6,364.00
    $5,441.00
    $5,441.00 - $5,441.00
    $5,441.00

    DDP Model DDPNLB7-100Duramax 01-04 LB7 Injector Set: Brand New injector set flowing at 60 percent over, capable of 750-800 RWHP. Modified or Dual C...

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    $6,364.00
    $6,364.00 - $6,364.00
    $6,364.00
    $5,441.00
    $5,441.00 - $5,441.00
    $5,441.00
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    DDP Duramax 01-04 LB7 Brand New Stock CP3

    DDP
    $1,982.00
    $1,982.00 - $1,982.00
    $1,982.00
    $1,694.00
    $1,694.00 - $1,694.00
    $1,694.00

    DDP Model DDPNCP3-303Duramax 01-04 LB7: Brand New replacement stock CP3 injection pump. No core charge. Details: Liter: 6.6 Engine: LB7 Duramax Ye...

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    $1,982.00
    $1,982.00 - $1,982.00
    $1,982.00
    $1,694.00
    $1,694.00 - $1,694.00
    $1,694.00
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    DDP Duramax 01-10 Brand New 12MM Stroker CP3

    DDP
    $3,963.00
    $3,963.00 - $3,963.00
    $3,963.00
    $3,388.00
    $3,388.00 - $3,388.00
    $3,388.00

    DDP Model DDPNCP3-33212Duramax 01-10: Brand New 12mm STROKER CP3 pump sold with no core charge. This pump is capable of supporting over 1,000 RWHP ...

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    $3,963.00
    $3,963.00 - $3,963.00
    $3,963.00
    $3,388.00
    $3,388.00 - $3,388.00
    $3,388.00
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    DDP Duramax 01-04 LB7 Reman Injector Set - SAC Nozzle 100% Over

    DDP
    $7,373.00
    $7,373.00 - $7,373.00
    $7,373.00
    $6,304.00
    $6,304.00 - $6,304.00
    $6,304.00

    DDP Model DDPLB7-200Duramax 01-04 LB7 Injector Set: Remanufactured injector set. SAC Nozzles flowing at 100 percent over with injector body modific...

    View full details
    $7,373.00
    $7,373.00 - $7,373.00
    $7,373.00
    $6,304.00
    $6,304.00 - $6,304.00
    $6,304.00
    Save 14% Save %
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    DDP Duramax 01-04 LB7 Reman Injector Set - SAC Nozzle 150% Over

    DDP
    $7,373.00
    $7,373.00 - $7,373.00
    $7,373.00
    $6,304.00
    $6,304.00 - $6,304.00
    $6,304.00

    DDP Model DDPLB7-300Duramax 01-04 LB7 Injector Set: Remanufactured injector set. SAC Nozzles at 150 percent over with injector body modifications f...

    View full details
    $7,373.00
    $7,373.00 - $7,373.00
    $7,373.00
    $6,304.00
    $6,304.00 - $6,304.00
    $6,304.00
    Save 14% Save %
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    DDP Duramax 01-04 LB7 Reman Stock CP3

    DDP
    $1,267.00
    $1,267.00 - $1,267.00
    $1,267.00
    $1,083.00
    $1,083.00 - $1,083.00
    $1,083.00

    DDP Model DDPCP3-303Duramax 01-04 LB7: Replacement remanufactured Stock CP3 injection pump. Details: Liter: 6.6 Engine: LB7 Duramax Years: 2001-20...

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    $1,267.00
    $1,267.00 - $1,267.00
    $1,267.00
    $1,083.00
    $1,083.00 - $1,083.00
    $1,083.00
    Save 15% Save %
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    DDP Duramax 01-04 LB7 Reman Injector Set - Economy Series

    DDP
    $5,077.00
    $5,077.00 - $5,077.00
    $5,077.00
    $4,341.00
    $4,341.00 - $4,341.00
    $4,341.00

    DDP Model DDPLB7-ECODuramax 01-04 LB7 Injector Set: Remanufactured injector set, Economy Series with a very mild 10-20 RWHP increase and full injec...

    View full details
    $5,077.00
    $5,077.00 - $5,077.00
    $5,077.00
    $4,341.00
    $4,341.00 - $4,341.00
    $4,341.00
    Save 14% Save %
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    DDP Duramax 01-04 LB7 Reman Injector Set - 75 (45% Over)

    DDP
    $5,077.00
    $5,077.00 - $5,077.00
    $5,077.00
    $4,341.00
    $4,341.00 - $4,341.00
    $4,341.00

    DDP Model DDPLB7-75Duramax 01-04 LB7 Injector Set: Remanufactured injectors flowing at 45 percent over, capable of 725 RWHP with proper supporting ...

    View full details
    $5,077.00
    $5,077.00 - $5,077.00
    $5,077.00
    $4,341.00
    $4,341.00 - $4,341.00
    $4,341.00
    Save 14% Save %
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    DDP Duramax 01-04 LB7 Reman Injector Set - 50 (25% Over)

    DDP
    $5,077.00
    $5,077.00 - $5,077.00
    $5,077.00
    $4,341.00
    $4,341.00 - $4,341.00
    $4,341.00

    DDP Model DDPLB7-50Duramax 01-04 LB7 Injector Set: Remanufactured injector set at 25 percent over, approximately 50 RWHP over stock. Injector set i...

    View full details
    $5,077.00
    $5,077.00 - $5,077.00
    $5,077.00
    $4,341.00
    $4,341.00 - $4,341.00
    $4,341.00
    Save 14% Save %
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    DDP Duramax 01-04 LB7 Reman Injector Set - 100 (60% Over)

    DDP
    $5,897.00
    $5,897.00 - $5,897.00
    $5,897.00
    $5,042.00
    $5,042.00 - $5,042.00
    $5,042.00

    DDP Model DDPLB7-100Duramax 01-04 LB7 Injector Set: Remanufactured injector set flowing at 60 percent over, capable of 750-800 RWHP. Modified or Du...

    View full details
    $5,897.00
    $5,897.00 - $5,897.00
    $5,897.00
    $5,042.00
    $5,042.00 - $5,042.00
    $5,042.00
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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