Skip to content
Free Shipping on most orders over $150.00                    
Free Shipping on most orders over $150.00                    

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.

Filters

  • responsive-image responsive-image Save 3% Save %

    GM Remanufactured Dragon Fire 85 CP3 Injection Pump For 01-04 6.6L LB7 Duramax Industrial Injection

    Industrial Injection
    $1,749.95
    $1,749.95 - $1,749.95
    $1,749.95
    $1,697.45
    $1,697.45 - $1,697.45
    $1,697.45

    Industrial Injection Model: 0986437303DFBosch OEM reman CP3s are the pinnacle of what you should expect out of a CP3 injection pump. Each injection...

    View full details
    $1,749.95
    $1,749.95 - $1,749.95
    $1,749.95
    $1,697.45
    $1,697.45 - $1,697.45
    $1,697.45
    Save 3% Save %
    Select Options
  • responsive-image responsive-image Save 3% Save %

    GM Rail Plug For 6.6L LB7 Duramax Industrial Injection

    Industrial Injection
    $54.95
    $54.95 - $54.95
    $54.95
    $53.30
    $53.30 - $53.30
    $53.30

    Industrial Injection Model: 412512Fits the 2001-2004 LB7 Duramax

    $54.95
    $54.95 - $54.95
    $54.95
    $53.30
    $53.30 - $53.30
    $53.30
    Save 3% Save %
  • responsive-image responsive-image Save 3% Save %

    Industrial Injection 01-04 Chevrolet Duramax LB7 New Dragon Fire 85% CP3 Injection Pump

    Industrial Injection
    $2,096.95
    $2,096.95 - $2,096.95
    $2,096.95
    $2,034.04
    $2,034.04 - $2,034.04
    $2,034.04

    Industrial Injection Model: 0445020017DF New Performance LB7 Duramax 6.6 CP3 Injection Pump Fits: 2001-2004 LB7 Duramax 6.6 Item Type: Bosch LB7 Du...

    View full details
    $2,096.95
    $2,096.95 - $2,096.95
    $2,096.95
    $2,034.04
    $2,034.04 - $2,034.04
    $2,034.04
    Save 3% Save %
  • responsive-image responsive-image Save 3% Save %

    Industrial Injection 01-04 Chevrolet Duramax LB7 New Modified Cp3 42% Injection Pump

    Industrial Injection
    $1,876.95
    $1,876.95 - $1,876.95
    $1,876.95
    $1,820.64
    $1,820.64 - $1,820.64
    $1,820.64

    Industrial Injection Model: 0445020017SHO New Performance LB7 Duramax 6.6 CP3 Injection Pump Fits: 2001-2004 LB7 Duramax 6.6 Item Type: Bosch LB7 D...

    View full details
    $1,876.95
    $1,876.95 - $1,876.95
    $1,876.95
    $1,820.64
    $1,820.64 - $1,820.64
    $1,820.64
    Save 3% Save %
  • responsive-image responsive-image Save 3% Save %

    GM Remanufactured Double Dragon 120 CP3 Injection Pump For 01-04 6.6L LB7 Duramax Industrial Injection

    Industrial Injection
    $2,099.95
    $2,099.95 - $2,099.95
    $2,099.95
    $2,036.95
    $2,036.95 - $2,036.95
    $2,036.95

    Industrial Injection Model: 0986437303DDBosch OEM reman CP3s are the pinnacle of what you should expect out of a CP3 injection pump. Each injection...

    View full details
    $2,099.95
    $2,099.95 - $2,099.95
    $2,099.95
    $2,036.95
    $2,036.95 - $2,036.95
    $2,036.95
    Save 3% Save %
    Select Options
  • responsive-image responsive-image Save 3% Save %

    GM Injector Line Set For 01-04 6.6L LB7 Duramax Industrial Injection

    Industrial Injection
    $363.95
    $363.95 - $363.95
    $363.95
    $353.03
    $353.03 - $353.03
    $353.03

    Industrial Injection Model: 412501This is a complete set of brand new fuel lines for the 2001-2004 LB7 Duramax. We recommend ordering a set of thes...

    View full details
    $363.95
    $363.95 - $363.95
    $363.95
    $353.03
    $353.03 - $353.03
    $353.03
    Save 3% Save %
  • responsive-image responsive-image Save 3% Save %

    Industrial Injection 01-04 Chevrolet Duramax LB7 New Double Dragon 120% CP3 Upgraded Injection Pump

    Industrial Injection
    $2,096.95
    $2,096.95 - $2,096.95
    $2,096.95
    $2,034.04
    $2,034.04 - $2,034.04
    $2,034.04

    Industrial Injection Model: 0445020017DD New Performance LB7 Duramax 6.6 CP3 Injection Pump Fits: 2001-2004 LB7 Duramax 6.6 Item Type: Bosch LB7 Du...

    View full details
    $2,096.95
    $2,096.95 - $2,096.95
    $2,096.95
    $2,034.04
    $2,034.04 - $2,034.04
    $2,034.04
    Save 3% Save %
  • responsive-image responsive-image Save 3% Save %

    GM Bag Of Parts For 01-04 LB7 6.6L Duramax Industrial Injection

    Industrial Injection
    $502.95
    $502.95 - $502.95
    $502.95
    $487.86
    $487.86 - $487.86
    $487.86

    Industrial Injection Model: 432403Do it yourself Parts for your stock injection pump. It will gain 19 percent more fuel volume. Industrial Injectio...

    View full details
    $502.95
    $502.95 - $502.95
    $502.95
    $487.86
    $487.86 - $487.86
    $487.86
    Save 3% Save %
  • responsive-image responsive-image

    XDP Remanufactured CP3 Fuel Pump 2001-2004 GM 6.6L Duramax LB7

    XDP
    $607.95 - $607.95
    $607.95
    $607.95 - $607.95
    $607.95

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

    View full details
    $607.95 - $607.95
    $607.95
    $607.95 - $607.95
    $607.95
    Select Options
  • responsive-image responsive-image

    XDP Low-Profile Plastic Creeper XD395

    XDP
    $109.95 - $109.95
    $109.95
    $109.95 - $109.95
    $109.95

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

    $109.95 - $109.95
    $109.95
    $109.95 - $109.95
    $109.95
  • responsive-image responsive-image

    XDP Billet Aluminum Oil Cap XD477 For 2001-2021 GM 6.6L Duramax

    XDP
    $29.95 - $29.95
    $29.95
    $29.95 - $29.95
    $29.95

    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...

    View full details
    $29.95 - $29.95
    $29.95
    $29.95 - $29.95
    $29.95
  • responsive-image responsive-image

    XDP Main Stud Kit 2001-2005 GM 6.6L Duramax LB7/LLY

    XDP
    $234.95 - $234.95
    $234.95
    $234.95 - $234.95
    $234.95

    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 ...

    View full details
    $234.95 - $234.95
    $234.95
    $234.95 - $234.95
    $234.95
  • responsive-image responsive-image

    1.5 Inch Block and U-Bolt Kit 01-10 Chevy/GMC 2500HD Rough Country

    Rough Country
    $79.95 - $79.95
    $79.95
    $79.95 - $79.95
    $79.95

    Has the rear of your vehicle started to sag, or are you looking to add a bit of lift height? Whatever the case maybe we have you covered at Rough C...

    View full details
    $79.95 - $79.95
    $79.95
    $79.95 - $79.95
    $79.95
  • responsive-image responsive-image

    HD Forged Tie Rod End 01-10 Chevy/GMC 2500HD Rough Country

    Rough Country
    $219.95 - $219.95
    $219.95
    $219.95 - $219.95
    $219.95

    Don't settle for weak tie rods! You want your steering and suspension to be as strong as the truck you love. That's why you need Rough Country's HD...

    View full details
    $219.95 - $219.95
    $219.95
    $219.95 - $219.95
    $219.95
  • responsive-image responsive-image

    Silverado/Sierra 2500 HD V2 Front Shocks Pair 5.5-7 Inch For 01-10 Silverado/Sierra 2500 Rough Country

    Rough Country
    $259.95 - $259.95
    $259.95
    $259.95 - $259.95
    $259.95

    Whether you're tackling tough terrain or smooth city streets, Rough Country's Nitrogen-charged V2 Monotube Shock Absorber leads the way, delivering...

    View full details
    $259.95 - $259.95
    $259.95
    $259.95 - $259.95
    $259.95
  • responsive-image responsive-image

    6.0 Inch GM Suspension Lift Kit 01-10 2500HD 4WD Rough Country

    Rough Country
    $1,199.95 - $1,519.95
    $1,199.95
    $1,199.95 - $1,519.95
    $1,199.95

    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 grou...

    View full details
    $1,199.95 - $1,519.95
    $1,199.95
    $1,199.95 - $1,519.95
    $1,199.95
  • responsive-image responsive-image

    6.0 Inch GM Suspension Lift Kit 01-10 2500HD / 3500HD Rough Country

    Rough Country
    $999.95 - $1,319.95
    $999.95
    $999.95 - $1,319.95
    $999.95

    Hit the ground running with Rough Country's Bolt-on 6-inch Suspension lift for 2WD GM 01-10 2500HD/3500HD models.This all inclusive kit features ev...

    View full details
    $999.95 - $1,319.95
    $999.95
    $999.95 - $1,319.95
    $999.95
  • responsive-image responsive-image

    Air Spring Kit 0-6 Inch Lift 01-10 Chevy/GMC 2500HD Rough Country

    Rough Country
    $349.95 - $959.95
    $349.95
    $349.95 - $959.95
    $349.95

    Ideal Leveling. Is your truck your workhorse? The main attraction to the pick-up line is the accessibility to haul and tow as desired. However, d...

    View full details
    $349.95 - $959.95
    $349.95
    $349.95 - $959.95
    $349.95
  • responsive-image responsive-image

    Multi-Function Winch Cleat Rough Country

    Rough Country
    $49.95 - $49.95
    $49.95
    $49.95 - $49.95
    $49.95

    Complete any winch set up by replacing your standard winch hook with Rough Country’s stylized Multi-Function Winch Cleat. This cutting edge desig...

    View full details
    $49.95 - $49.95
    $49.95
    $49.95 - $49.95
    $49.95
  • responsive-image responsive-image

    6-inch Slimline Cree LED Light Bars Pair Rough Country

    Rough Country
    $79.95 - $79.95
    $79.95
    $79.95 - $79.95
    $79.95

    The sun never sets on a vehicle equipped with a pair of Rough Country's sleek 6-inch Slimline Cree LED Light Bars. With a powerful combined 4,880-...

    View full details
    $79.95 - $79.95
    $79.95
    $79.95 - $79.95
    $79.95
  • responsive-image responsive-image

    10-Inch Slimline Cree LED Light Bars Pair Rough Country

    Rough Country
    $109.95 - $109.95
    $109.95
    $109.95 - $109.95
    $109.95

    The sun never sets on a vehicle equipped with a pair of Rough Country's sleek 10-inch Slimline Cree LED Light Bars. With a powerful combined 8,000...

    View full details
    $109.95 - $109.95
    $109.95
    $109.95 - $109.95
    $109.95
  • responsive-image responsive-image

    Air Spring Spacer Kit Rough Country

    Rough Country
    $49.95 - $69.95
    $49.95
    $49.95 - $69.95
    $49.95

    Functionality and Use. When equipping your vehicle with airbags depending on your lift height an airbag spacer is a must-have to ensure that you a...

    View full details
    $49.95 - $69.95
    $49.95
    $49.95 - $69.95
    $49.95
  • responsive-image responsive-image

    20-inch Cree LED Light Bar Dual Row Chrome Series w/ Amber DRL Rough Country

    Rough Country
    $229.95 - $229.95
    $229.95
    $229.95 - $229.95
    $229.95

    Rough Country Model 70920DA The sun never sets on a vehicle equipped with Rough Country's sleek 20-inch LED Light Bar. With a powerful 18,000 Lumen...

    View full details
    $229.95 - $229.95
    $229.95
    $229.95 - $229.95
    $229.95
  • responsive-image responsive-image

    10-Inch Slimline Cree LED Light Bar Black Series Rough Country

    Rough Country
    $59.95 - $59.95
    $59.95
    $59.95 - $59.95
    $59.95

    The sun never sets on a vehicle equipped with Rough Country's sleek 10-inch Slimline Cree LED Light Bar. With a powerful 2,400-lumen 30-watt output...

    View full details
    $59.95 - $59.95
    $59.95
    $59.95 - $59.95
    $59.95

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