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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 Xpressor OER Series New RHG6 Replacement Turbocharger XD557

    XDP
    Original price $944.95 - Original price $944.95
    Original price
    $944.95
    $944.95 - $944.95
    Current price $944.95

    XDP Model XD557Replace the worn turbo in your 2001-2004 GM 6.6L Duramax LB7 with an XDP Xpressor OER Series New RHG6 Replacement Turbocharger XD557...

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    Original price $944.95 - Original price $944.95
    Original price
    $944.95
    $944.95 - $944.95
    Current price $944.95
  • XDP Remanufactured LB7 Fuel Injector XD488 For 2001-2004 GM 6.6L Duramax LB7

    XDP
    Original price $204.95 - Original price $204.95
    Original price
    $204.95
    $204.95 - $204.95
    Current price $204.95

    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 $204.95 - Original price $204.95
    Original price
    $204.95
    $204.95 - $204.95
    Current price $204.95
  • XDP Connecting Rod Bolt Kit 2001-2010 GM 6.6L Duramax

    XDP
    Original price $209.95 - Original price $209.95
    Original price
    $209.95
    $209.95 - $209.95
    Current price $209.95

    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 $209.95 - Original price $209.95
    Original price
    $209.95
    $209.95 - $209.95
    Current price $209.95
  • OER Series Fuel Injector Line (Cylinders 2 and 7) 2001-2004 GM 6.6L Duramax LB7 XDP Xtreme Diesel Performance

    XDP
    Original price $49.95 - Original price $49.95
    Original price
    $49.95
    $49.95 - $49.95
    Current price $49.95

    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 $49.95 - Original price $49.95
    Original price
    $49.95
    $49.95 - $49.95
    Current price $49.95
  • OER Series Fuel Injector Line (Cylinders 3 and 6) 2001-2004 GM 6.6L Duramax LB7 XDP Xtreme Diesel Performance

    XDP
    Original price $49.95 - Original price $49.95
    Original price
    $49.95
    $49.95 - $49.95
    Current price $49.95

    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 $49.95 - Original price $49.95
    Original price
    $49.95
    $49.95 - $49.95
    Current price $49.95
  • OER Series Fuel Injector Line (Cylinders 1 and 8) 2001-2004 GM 6.6L Duramax LB7 XDP Xtreme Diesel Performance

    XDP
    Original price $49.95 - Original price $49.95
    Original price
    $49.95
    $49.95 - $49.95
    Current price $49.95

    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 $49.95 - Original price $49.95
    Original price
    $49.95
    $49.95 - $49.95
    Current price $49.95
  • OER Series New Fuel Injector (Stock HP) 1991.5-1993 Dodge Cummins XDP Xtreme Diesel Performance

    XDP
    Original price $95.95 - Original price $95.95
    Original price
    $95.95
    $95.95 - $95.95
    Current price $95.95

    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 $95.95 - Original price $95.95
    Original price
    $95.95
    $95.95 - $95.95
    Current price $95.95
  • OER Series Fuel Injector Line (Cylinders 4 and 5) 2001-2004 GM 6.6L Duramax LB7 XDP Xtreme Diesel Performance

    XDP
    Original price $49.95 - Original price $49.95
    Original price
    $49.95
    $49.95 - $49.95
    Current price $49.95

    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 $49.95 - Original price $49.95
    Original price
    $49.95
    $49.95 - $49.95
    Current price $49.95
  • GM H Series Rod Bearing Set For 01-16 Duramax Industrial Injection

    Industrial Injection
    Original price $548.95
    Original price $548.95 - Original price $548.95
    Original price $548.95
    Current price $532.48
    $532.48 - $532.48
    Current price $532.48

    Industrial Injection Model: PDM-CB-1805HC2001-2016 Duramax H Series Rod Bearings (Std .025) Coated Set. These H and HX Clevite bearings were devel...

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    Original price $548.95
    Original price $548.95 - Original price $548.95
    Original price $548.95
    Current price $532.48
    $532.48 - $532.48
    Current price $532.48
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  • GM HX Series Main Bearings For 01-16 6.6L Duramax Industrial Injection

    Industrial Injection
    Original price $391.95
    Original price $391.95 - Original price $391.95
    Original price $391.95
    Current price $380.19
    $380.19 - $380.19
    Current price $380.19

    Industrial Injection Model: PDM-MS-2218HXC2001-2016 Duramax Hx Series Main Bearings (Std +.001) Coated. These H and HX Clevite bearings were develo...

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    Original price $391.95
    Original price $391.95 - Original price $391.95
    Original price $391.95
    Current price $380.19
    $380.19 - $380.19
    Current price $380.19
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  • GM H Series Main Bearings For 01-16 6.6L Duramax Industrial Injection

    Industrial Injection
    Original price $390.95
    Original price $390.95 - Original price $390.95
    Original price $390.95
    Current price $379.22
    $379.22 - $379.22
    Current price $379.22

    Industrial Injection Model: PDM-MS-2218HC2001-2016 Duramax H Series Main Bearings (Std .025) Coated. These H and HX Clevite bearings were developed...

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    Original price $390.95
    Original price $390.95 - Original price $390.95
    Original price $390.95
    Current price $379.22
    $379.22 - $379.22
    Current price $379.22
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  • GM Rocker Arm Spacer Kit For 01-16 Duramax Industrial Injection

    Industrial Injection
    Original price $236.95
    Original price $236.95 - Original price $236.95
    Original price $236.95
    Current price $229.84
    $229.84 - $229.84
    Current price $229.84

    Industrial Injection Model: PDM-07184The Duramax Rocker Spacer Kit was designed to eliminate the factory springs in between the rockers to keep the...

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    Original price $236.95
    Original price $236.95 - Original price $236.95
    Original price $236.95
    Current price $229.84
    $229.84 - $229.84
    Current price $229.84
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  • Industrial Injection 01-16 Chevrolet Duramax Grade C Head Gasket (Right Side)

    Industrial Injection
    Original price $114.43 - Original price $114.43
    Original price
    $114.43
    $114.43 - $114.43
    Current price $114.43

    Industrial Injection Model: 54582Industrial Injection 01-16 Chevrolet Duramax Grade C Head Gasket (Right Side)

    Original price $114.43 - Original price $114.43
    Original price
    $114.43
    $114.43 - $114.43
    Current price $114.43
  • Alliant Power 01-04.5 Chevrolet GM 6.6L Duramax LB7 Injection Line - Cylinders 4 and 5

    Industrial Injection
    Original price $85.56 - Original price $85.56
    Original price
    $85.56
    $85.56 - $85.56
    Current price $85.56

    Model: AP637222001-04.5 Chevrolet GM 6.6L Duramax LB7 Injection Line - Cylinders 4 and 5This Part Fits: Year Make Model Submodel 2001-2004 C...

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    Original price $85.56 - Original price $85.56
    Original price
    $85.56
    $85.56 - $85.56
    Current price $85.56
  • Alliant Power 01-04.5 Chevrolet GM 6.6L Duramax LB7 Injection Line - Cylinders 3 and 6

    Industrial Injection
    Original price $85.56 - Original price $85.56
    Original price
    $85.56
    $85.56 - $85.56
    Current price $85.56

    Alliant Power Model: AP6372101-04.5 Chevrolet GM 6.6L Duramax LB7 Injection Line - Cylinders 3 and 6This Part Fits: Year Make Model Submodel ...

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    Original price $85.56 - Original price $85.56
    Original price
    $85.56
    $85.56 - $85.56
    Current price $85.56
  • Alliant Power 01-04.5 Chevrolet GM 6.6L Duramax LB7 Injection Line - Cylinders 2 and 7

    Industrial Injection
    Original price $85.56 - Original price $85.56
    Original price
    $85.56
    $85.56 - $85.56
    Current price $85.56

    Model: AP637232001-04.5 Chevrolet GM 6.6L Duramax LB7 Injection Line - Cylinders 2 and 7This Part Fits: Year Make Model Submodel 2001-2004 C...

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    Original price $85.56 - Original price $85.56
    Original price
    $85.56
    $85.56 - $85.56
    Current price $85.56
  • Alliant Power 01-04.5 Chevrolet GM 6.6L Duramax LB7 Injection Line - Cylinders 1 and 8

    Industrial Injection
    Original price $85.56 - Original price $85.56
    Original price
    $85.56
    $85.56 - $85.56
    Current price $85.56

    Model: AP63720Alliant Power 01-04.5 Chevrolet GM 6.6L Duramax LB7 Injection Line - Cylinders 1 and 8This Part Fits: Year Make Model Submodel ...

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    Original price $85.56 - Original price $85.56
    Original price
    $85.56
    $85.56 - $85.56
    Current price $85.56
  • Industrial Injection 01-04 LB7 Duramax Stock Reman Bosch Injectors, Lines & Install Kit

    Industrial Injection
    Original price $2,908.95
    Original price $2,908.95 - Original price $2,908.95
    Original price $2,908.95
    Current price $2,821.68
    $2,821.68 - $2,821.68
    Current price $2,821.68

    Industrial Injection Model: 412603 Includes: 8 Bosch Reman Injectors 2 Lower Valve Cover Gaskets 8 GM High Pressure Fuel Lines Upper Radiator Pipe...

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    Original price $2,908.95
    Original price $2,908.95 - Original price $2,908.95
    Original price $2,908.95
    Current price $2,821.68
    $2,821.68 - $2,821.68
    Current price $2,821.68
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  • GM Extrude Honed injection Nozzle for 01-04 LB7 6.6L Duramax 39 LPM Industrial Injection

    Industrial Injection
    Original price $118.95
    Original price $118.95 - Original price $118.95
    Original price $118.95
    Current price $115.38
    $115.38 - $115.38
    Current price $115.38

    Industrial Injection Model: 0433175275-R5The Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out ...

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    Original price $118.95
    Original price $118.95 - Original price $118.95
    Original price $118.95
    Current price $115.38
    $115.38 - $115.38
    Current price $115.38
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  • GM Extrude Honed injection Nozzle for 01-04 LB7 6.6L Duramax 44 LPM Industrial Injection

    Industrial Injection
    Original price $118.95
    Original price $118.95 - Original price $118.95
    Original price $118.95
    Current price $115.38
    $115.38 - $115.38
    Current price $115.38

    Industrial Injection Model: 0433175275-R6The Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out ...

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    Original price $118.95
    Original price $118.95 - Original price $118.95
    Original price $118.95
    Current price $115.38
    $115.38 - $115.38
    Current price $115.38
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  • GM Extrude Honed injection Nozzle for 01-04 LB7 6.6L Duramax 33 LPM Industrial Injection

    Industrial Injection
    Original price $118.95
    Original price $118.95 - Original price $118.95
    Original price $118.95
    Current price $115.38
    $115.38 - $115.38
    Current price $115.38

    Industrial Injection Model: 0433175275-R4The Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out ...

    View full details
    Original price $118.95
    Original price $118.95 - Original price $118.95
    Original price $118.95
    Current price $115.38
    $115.38 - $115.38
    Current price $115.38
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  • GM Extrude Honed injection Nozzle for 01-04 LB7 6.6L Duramax 31 LPM Industrial Injection

    Industrial Injection
    Original price $85.95
    Original price $85.95 - Original price $85.95
    Original price $85.95
    Current price $83.37
    $83.37 - $83.37
    Current price $83.37

    Industrial Injection Model: 0433175275-R3The Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out ...

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    Original price $85.95
    Original price $85.95 - Original price $85.95
    Original price $85.95
    Current price $83.37
    $83.37 - $83.37
    Current price $83.37
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  • GM Extrude Honed injection Nozzle for 01-04 LB7 6.6L Duramax 29 LPM Industrial Injection

    Industrial Injection
    Original price $85.95
    Original price $85.95 - Original price $85.95
    Original price $85.95
    Current price $83.37
    $83.37 - $83.37
    Current price $83.37

    Industrial Injection Model: 0433175275-R2The Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out ...

    View full details
    Original price $85.95
    Original price $85.95 - Original price $85.95
    Original price $85.95
    Current price $83.37
    $83.37 - $83.37
    Current price $83.37
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  • GM Extrude Honed injection Nozzle for 01-04 LB7 6.6L Duramax 50 LPM Industrial Injection

    Industrial Injection
    Original price $85.95
    Original price $85.95 - Original price $85.95
    Original price $85.95
    Current price $83.37
    $83.37 - $83.37
    Current price $83.37

    Industrial Injection Model: 0433175275DFLYThe Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out...

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    Original price $85.95
    Original price $85.95 - Original price $85.95
    Original price $85.95
    Current price $83.37
    $83.37 - $83.37
    Current price $83.37
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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