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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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  • XDP Remanufactured LB7 Fuel Injector XD488 For 2001-2004 GM 6.6L Duramax LB7

    XDP
    Original price $293.00 - Original price $293.00
    Original price
    $293.00
    $293.00 - $293.00
    Current price $293.00

    XDP Model XD488Replace the failed fuel injector on your vehicle with the XDP Remanufactured LB7 Fuel Injector XD488. With more than 30 million fuel...

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    Original price $293.00 - Original price $293.00
    Original price
    $293.00
    $293.00 - $293.00
    Current price $293.00
  • XDP Connecting Rod Bolt Kit 2001-2010 GM 6.6L Duramax

    XDP
    Original price $300.00 - Original price $300.00
    Original price
    $300.00
    $300.00 - $300.00
    Current price $300.00

    XDP Model XD3019RBUpgrade the factory connecting rod bolts on your 2001-2010 GM 6.6L Duramax LB7/LLY/LBZ/LMM with the XDP Connecting Rod Bolt Kit X...

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    Original price $300.00 - Original price $300.00
    Original price
    $300.00
    $300.00 - $300.00
    Current price $300.00
  • OER Series Fuel Injector Line (Cylinders 2 and 7) 2001-2004 GM 6.6L Duramax LB7 XDP Xtreme Diesel Performance

    XDP
    Original price $72.00 - Original price $72.00
    Original price
    $72.00
    $72.00 - $72.00
    Current price $72.00

    XDP Model XD597The XDP OER Series Fuel Injector Line (Cylinders 2 and 7) XD597 from XDP provides your 2001-2004 GM 6.6L Duramax LB7 with a high-qua...

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    Original price $72.00 - Original price $72.00
    Original price
    $72.00
    $72.00 - $72.00
    Current price $72.00
  • OER Series Fuel Injector Line (Cylinders 3 and 6) 2001-2004 GM 6.6L Duramax LB7 XDP Xtreme Diesel Performance

    XDP
    Original price $72.00 - Original price $72.00
    Original price
    $72.00
    $72.00 - $72.00
    Current price $72.00

    XDP Model XD595The XDP OER Series Fuel Injector Line (Cylinders 3 and 6) XD595 from XDP replaces the leaking OEM fuel lines on your 2001-2004 GM 6....

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    Original price $72.00 - Original price $72.00
    Original price
    $72.00
    $72.00 - $72.00
    Current price $72.00
  • OER Series Fuel Injector Line (Cylinders 1 and 8) 2001-2004 GM 6.6L Duramax LB7 XDP Xtreme Diesel Performance

    XDP
    Original price $72.00 - Original price $72.00
    Original price
    $72.00
    $72.00 - $72.00
    Current price $72.00

    XDP Model XD594Replace the contaminated or corroded fuel lines on your 2001-2004 GM 6.6L Duramax LB7 with the XDP OER Series Fuel Injector Line (Cy...

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    Original price $72.00 - Original price $72.00
    Original price
    $72.00
    $72.00 - $72.00
    Current price $72.00
  • OER Series New Fuel Injector (Stock HP) 1991.5-1993 Dodge Cummins XDP Xtreme Diesel Performance

    XDP
    Original price $138.00 - Original price $138.00
    Original price
    $138.00
    $138.00 - $138.00
    Current price $138.00

    XDP Model XD589The XDP OER Series New Fuel Injector (Stock HP) XD589 will help restore fuel system function in your 1991.5-1993 Dodge 5.9L Cummins ...

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    Original price $138.00 - Original price $138.00
    Original price
    $138.00
    $138.00 - $138.00
    Current price $138.00
  • OER Series Fuel Injector Line (Cylinders 4 and 5) 2001-2004 GM 6.6L Duramax LB7 XDP Xtreme Diesel Performance

    XDP
    Original price $72.00 - Original price $72.00
    Original price
    $72.00
    $72.00 - $72.00
    Current price $72.00

    XDP Model XD596The XDP OER Series Fuel Injector Line (Cylinders 4 and 5) XD596 provide your 2001-2004 GM 6.6L Duramax LB7 with high-quality fuel li...

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    Original price $72.00 - Original price $72.00
    Original price
    $72.00
    $72.00 - $72.00
    Current price $72.00
  • XDP Remanufactured CP3 Fuel Pump 2001-2004 GM 6.6L Duramax LB7

    XDP
    Original price $828.00 - Original price $828.00
    Original price
    $828.00
    $828.00 - $828.00
    Current price $828.00

    XDP Model XD521The Remanufactured CP3 Fuel Pump (Stock Replacement) XD521 replaces the failed or underperforming fuel pump in your 2001-2004 GM 6.6...

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    Original price $828.00 - Original price $828.00
    Original price
    $828.00
    $828.00 - $828.00
    Current price $828.00
  • XDP Low-Profile Plastic Creeper XD395

    XDP
    Original price $143.00 - Original price $143.00
    Original price
    $143.00
    $143.00 - $143.00
    Current price $143.00

    XDP Model XD395Low-Profile Plastic Creeper Warranty Info: 2 Year / Unlimited Mileage

    Original price $143.00 - Original price $143.00
    Original price
    $143.00
    $143.00 - $143.00
    Current price $143.00
  • XDP Billet Aluminum Oil Cap XD477 For 2001-2021 GM 6.6L Duramax

    XDP
    Original price $43.00 - Original price $43.00
    Original price
    $43.00
    $43.00 - $43.00
    Current price $43.00

    XDP Model XD477Customize the underhood of your 2001-2021 GM 6.6L Duramax when you add the Billet Aluminum Oil Cap XD477. Each cap features a CNC-ma...

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    Original price $43.00 - Original price $43.00
    Original price
    $43.00
    $43.00 - $43.00
    Current price $43.00
  • XDP Main Stud Kit 2001-2005 GM 6.6L Duramax LB7/LLY

    XDP
    Original price $336.00 - Original price $336.00
    Original price
    $336.00
    $336.00 - $336.00
    Current price $336.00

    XDP Model XD3007MSThe Main Stud Kit XD3007MS is essential for setting up your 2001-2005 GM 6.6L Duramax LB7/LLY for competition or street use. OEM ...

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    Original price $336.00 - Original price $336.00
    Original price
    $336.00
    $336.00 - $336.00
    Current price $336.00
  • XDP Performance Valve Springs & Retainer Kit XD386

    XDP
    Original price $966.00 - Original price $966.00
    Original price
    $966.00
    $966.00 - $966.00
    Current price $966.00

    XDP Model XD386 The XDP Performance Valve Springs & Retainer Kit XD386 are a perfect upgrade for your modified 2001-2016 GM 6.6L Duramax. Cams...

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    Original price $966.00 - Original price $966.00
    Original price
    $966.00
    $966.00 - $966.00
    Current price $966.00
  • XDP Rocker Arm Shafts XD385

    XDP
    Original price $693.00 - Original price $693.00
    Original price
    $693.00
    $693.00 - $693.00
    Current price $693.00

    XDP Model XD385 The XDP Rocker Arm Shafts XD385 are specially designed to minimize the common oiling issues in the 2001-2019 GM 6.6L Duramax engin...

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    Original price $693.00 - Original price $693.00
    Original price
    $693.00
    $693.00 - $693.00
    Current price $693.00
  • XDP Billet Rocker Arm Valve Bridge Set XD384

    XDP
    Original price $658.00 - Original price $658.00
    Original price
    $658.00
    $658.00 - $658.00
    Current price $658.00

    XDP Model XD384 The XDP Billet Rocker Arm Valve Bridge Set XD384 will greatly improve the factory valvetrain in your modified 2001-2016 GM 6.6L Du...

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    Original price $658.00 - Original price $658.00
    Original price
    $658.00
    $658.00 - $658.00
    Current price $658.00
  • XDP X-TRA Cool Direct-Fit Radiator Clutch Fan Blade XD374

    XDP
    Original price $109.00 - Original price $109.00
    Original price
    $109.00
    $109.00 - $109.00
    Current price $109.00

    XDP Model XD374Don't let your 2001-2005 GM 6.6L Duramax overheat due to a broken or damaged fan, replace it with the XDP X-TRA Cool Direct-Fit Radi...

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    Original price $109.00 - Original price $109.00
    Original price
    $109.00
    $109.00 - $109.00
    Current price $109.00
  • XDP Wrinkle Black HD High Output Alternator XD355

    XDP
    Original price $673.00 - Original price $673.00
    Original price
    $673.00
    $673.00 - $673.00
    Current price $673.00

    XDP Model XD355 Increase the output of the charging system in your 2001-2007 GM 6.6L Duramax with the XDP Wrinkle Black HD High Output Alternator X...

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    Original price $673.00 - Original price $673.00
    Original price
    $673.00
    $673.00 - $673.00
    Current price $673.00
  • XDP 7/16" Competition & Race Performance Pushrods XD316

    XDP
    Original price $542.00 - Original price $542.00
    Original price
    $542.00
    $542.00 - $542.00
    Current price $542.00

    XDP Model XD316Restore lost power from the valvetrain in your 2001-2016 GM 6.6L Duramax with the XDP Pushrods 7/16" Competition & Race Performa...

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    Original price $542.00 - Original price $542.00
    Original price
    $542.00
    $542.00 - $542.00
    Current price $542.00
  • XDP Wrinkle Black HD Gear Reduction Starter XD251

    XDP
    Original price $429.00 - Original price $429.00
    Original price
    $429.00
    $429.00 - $429.00
    Current price $429.00

    XDP Model XD251You can rely on the XDP Wrinkle Black HD Gear Reduction Starter XD251 to get your 2001-2019 GM 6.6L Duramax running in the most extr...

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    Original price $429.00 - Original price $429.00
    Original price
    $429.00
    $429.00 - $429.00
    Current price $429.00
  • XDP Direct Replacement High Output 220 Amp Alternator XD224

    XDP
    Original price $429.00 - Original price $429.00
    Original price
    $429.00
    $429.00 - $429.00
    Current price $429.00

    XDP Model XD224Don't just replace the failing alternator in your 2001-2007 GM 6.6L Duramax, upgrade it with the XDP Direct Replacement High Output ...

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    Original price $429.00 - Original price $429.00
    Original price
    $429.00
    $429.00 - $429.00
    Current price $429.00
  • XDP Fuel Tank Sump - One Hole Design XD182

    XDP
    Original price $215.00 - Original price $215.00
    Original price
    $215.00
    $215.00 - $215.00
    Current price $215.00

    XDP Model XD182The XDP Fuel Tank Sump XD182 is the perfect solution for those wanting to maximize fuel delivery to their engine. This One Hole Desi...

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    Original price $215.00 - Original price $215.00
    Original price
    $215.00
    $215.00 - $215.00
    Current price $215.00

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