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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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    GM H Series Main Bearings For 01-16 6.6L Duramax Industrial Injection

    Industrial Injection
    $565.00
    $565.00 - $565.00
    $565.00
    $548.00
    $548.00 - $548.00
    $548.00

    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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    $565.00
    $565.00 - $565.00
    $565.00
    $548.00
    $548.00 - $548.00
    $548.00
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    GM Rocker Arm Spacer Kit For 01-16 Duramax Industrial Injection

    Industrial Injection
    $343.00
    $343.00 - $343.00
    $343.00
    $332.00
    $332.00 - $332.00
    $332.00

    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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    $343.00
    $343.00 - $343.00
    $343.00
    $332.00
    $332.00 - $332.00
    $332.00
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    Industrial Injection 01-16 Chevrolet Duramax Grade C Head Gasket (Right Side)

    Industrial Injection
    $125.00 - $125.00
    $125.00
    $125.00 - $125.00
    $125.00

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

    $125.00 - $125.00
    $125.00
    $125.00 - $125.00
    $125.00
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    Alliant Power 01-04.5 Chevrolet GM 6.6L Duramax LB7 Injection Line - Cylinders 4 and 5

    Industrial Injection
    $134.00 - $134.00
    $134.00
    $134.00 - $134.00
    $134.00

    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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    $134.00 - $134.00
    $134.00
    $134.00 - $134.00
    $134.00
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    Alliant Power 01-04.5 Chevrolet GM 6.6L Duramax LB7 Injection Line - Cylinders 3 and 6

    Industrial Injection
    $134.00 - $134.00
    $134.00
    $134.00 - $134.00
    $134.00

    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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    $134.00 - $134.00
    $134.00
    $134.00 - $134.00
    $134.00
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    Alliant Power 01-04.5 Chevrolet GM 6.6L Duramax LB7 Injection Line - Cylinders 2 and 7

    Industrial Injection
    $134.00 - $134.00
    $134.00
    $134.00 - $134.00
    $134.00

    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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    $134.00 - $134.00
    $134.00
    $134.00 - $134.00
    $134.00
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    Alliant Power 01-04.5 Chevrolet GM 6.6L Duramax LB7 Injection Line - Cylinders 1 and 8

    Industrial Injection
    $134.00 - $134.00
    $134.00
    $134.00 - $134.00
    $134.00

    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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    $134.00 - $134.00
    $134.00
    $134.00 - $134.00
    $134.00
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    Industrial Injection 01-04 LB7 Duramax Stock Reman Bosch Injectors, Lines & Install Kit

    Industrial Injection
    $4,199.00
    $4,199.00 - $4,199.00
    $4,199.00
    $4,073.00
    $4,073.00 - $4,073.00
    $4,073.00

    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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    $4,199.00
    $4,199.00 - $4,199.00
    $4,199.00
    $4,073.00
    $4,073.00 - $4,073.00
    $4,073.00
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    GM Extrude Honed injection Nozzle for 01-04 LB7 6.6L Duramax 39 LPM Industrial Injection

    Industrial Injection
    $172.00
    $172.00 - $172.00
    $172.00
    $167.00
    $167.00 - $167.00
    $167.00

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

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    $172.00
    $172.00 - $172.00
    $172.00
    $167.00
    $167.00 - $167.00
    $167.00
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    GM Extrude Honed injection Nozzle for 01-04 LB7 6.6L Duramax 44 LPM Industrial Injection

    Industrial Injection
    $172.00
    $172.00 - $172.00
    $172.00
    $167.00
    $167.00 - $167.00
    $167.00

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

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    $172.00
    $172.00 - $172.00
    $172.00
    $167.00
    $167.00 - $167.00
    $167.00
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    GM Extrude Honed injection Nozzle for 01-04 LB7 6.6L Duramax 33 LPM Industrial Injection

    Industrial Injection
    $172.00
    $172.00 - $172.00
    $172.00
    $167.00
    $167.00 - $167.00
    $167.00

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

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    $172.00
    $172.00 - $172.00
    $172.00
    $167.00
    $167.00 - $167.00
    $167.00
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    GM Extrude Honed injection Nozzle for 01-04 LB7 6.6L Duramax 31 LPM Industrial Injection

    Industrial Injection
    $125.00
    $125.00 - $125.00
    $125.00
    $121.00
    $121.00 - $121.00
    $121.00

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

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    $125.00
    $125.00 - $125.00
    $125.00
    $121.00
    $121.00 - $121.00
    $121.00
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    GM Extrude Honed injection Nozzle for 01-04 LB7 6.6L Duramax 29 LPM Industrial Injection

    Industrial Injection
    $125.00
    $125.00 - $125.00
    $125.00
    $121.00
    $121.00 - $121.00
    $121.00

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

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    $125.00
    $125.00 - $125.00
    $125.00
    $121.00
    $121.00 - $121.00
    $121.00
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    GM Extrude Honed injection Nozzle for 01-04 LB7 6.6L Duramax 50 LPM Industrial Injection

    Industrial Injection
    $125.00
    $125.00 - $125.00
    $125.00
    $121.00
    $121.00 - $121.00
    $121.00

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

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    $125.00
    $125.00 - $125.00
    $125.00
    $121.00
    $121.00 - $121.00
    $121.00
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    Gm Injector Screw In Cups For 2001-2004.5 6.6L LB7 Duramax Industrial Injection

    Industrial Injection
    $1,011.00
    $1,011.00 - $1,011.00
    $1,011.00
    $980.00
    $980.00 - $980.00
    $980.00

    Industrial Injection Model: PDM-07020The factory injector cups are known for leaking, pitting and seizing themselves to the injectors in your LB7. ...

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    $1,011.00
    $1,011.00 - $1,011.00
    $1,011.00
    $980.00
    $980.00 - $980.00
    $980.00
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    GM Injector Hold Downs For 01-04 LB7 Duramax Billet With ARP Bolts Industrial Injection

    Industrial Injection
    $1,109.00
    $1,109.00 - $1,109.00
    $1,109.00
    $1,076.00
    $1,076.00 - $1,076.00
    $1,076.00

    Industrial Injection Model: PDM-083772001-04 LB7 Billet Injector Hold Downs w/Arp Bolts And Install HardwareNew addition to the Industrial Injectio...

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    $1,109.00
    $1,109.00 - $1,109.00
    $1,109.00
    $1,076.00
    $1,076.00 - $1,076.00
    $1,076.00
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    Industrial Injection 01-04 Chevrolet Genuine OE 6.6L Duramax LB7 R6 100% Over Injector

    Industrial Injection
    $673.00
    $673.00 - $673.00
    $673.00
    $653.00
    $653.00 - $653.00
    $653.00

    Industrial Injection Model: 0986435502-R6 Performance LB7 Duramax Injector- PRICED EACH NOTE: Fuel Lines MUST be replaced to retain warranty! Indu...

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    $673.00
    $673.00 - $673.00
    $673.00
    $653.00
    $653.00 - $653.00
    $653.00
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    Industrial Injection 01-04 Chevrolet Genuine OE 6.6L Duramax LB7 R5 75% Over Injector

    Industrial Injection
    $621.00
    $621.00 - $621.00
    $621.00
    $602.00
    $602.00 - $602.00
    $602.00

    Industrial Injection Model: 0986435502-R5 Performance LB7 Duramax Injector- PRICED EACH NOTE: Fuel Lines MUST be replaced to retain warranty! Indu...

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    $621.00
    $621.00 - $621.00
    $621.00
    $602.00
    $602.00 - $602.00
    $602.00
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    Industrial Injection 01-04 Chevrolet Genuine OE 6.6L Duramax LB7 R4 50% Over Injector

    Industrial Injection
    $568.00
    $568.00 - $568.00
    $568.00
    $551.00
    $551.00 - $551.00
    $551.00

    Industrial Injection Model: 0986435502-R4 Performance LB7 Duramax Injector- PRICED EACH NOTE: Fuel Lines MUST be replaced to retain warranty! Indu...

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    $568.00
    $568.00 - $568.00
    $568.00
    $551.00
    $551.00 - $551.00
    $551.00
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    Industrial Injection 01-04 Chevrolet Genuine OE 6.6L Duramax LB7 R3 40% Over Injector

    Industrial Injection
    $568.00
    $568.00 - $568.00
    $568.00
    $551.00
    $551.00 - $551.00
    $551.00

    Industrial Injection Model: 0986435502-R3 Performance LB7 Duramax Injector- PRICED EACH NOTE: Fuel Lines MUST be replaced to retain warranty! Indu...

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    $568.00
    $568.00 - $568.00
    $568.00
    $551.00
    $551.00 - $551.00
    $551.00
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    Industrial Injection 01-04 Chevrolet Genuine OE 6.6L Duramax LB7 R2 30% Over Injector

    Industrial Injection
    $542.00
    $542.00 - $542.00
    $542.00
    $525.00
    $525.00 - $525.00
    $525.00

    Industrial Injection Model: 0986435502-R2 Performance LB7 Duramax Injectors Industrial Injection Performance reman Injectors are the pinnacle of w...

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    $542.00
    $542.00 - $542.00
    $542.00
    $525.00
    $525.00 - $525.00
    $525.00
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    GM Remanufactured Modified 42 CP3 Injection Pump For 01-04 6.6L LB7 Duramax Industrial Injection

    Industrial Injection
    $2,021.00
    $2,021.00 - $2,021.00
    $2,021.00
    $1,961.00
    $1,961.00 - $1,961.00
    $1,961.00

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

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    $2,021.00
    $2,021.00 - $2,021.00
    $2,021.00
    $1,961.00
    $1,961.00 - $1,961.00
    $1,961.00
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    GM Remanufactured Modified 42 CP3 Injection Pump For 01-04 6.6L LB7 II Duramax Industrial Injection

    Industrial Injection
    $1,647.00
    $1,647.00 - $1,647.00
    $1,647.00
    $1,598.00
    $1,598.00 - $1,598.00
    $1,598.00

    Industrial Injection Model: 0986437303SHOSEThe Modified CP3 offered by Industrial Injection is a drop in replacement for the stock CP3 fuel pump. I...

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    $1,647.00
    $1,647.00 - $1,647.00
    $1,647.00
    $1,598.00
    $1,598.00 - $1,598.00
    $1,598.00
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    GM Remanufactured Double Dragon 120 CP3 Injection Pump For 01-04 6.6L LB7 II Duramax Industrial Injection

    Industrial Injection
    $2,743.00
    $2,743.00 - $2,743.00
    $2,743.00
    $2,661.00
    $2,661.00 - $2,661.00
    $2,661.00

    Industrial Injection Model: 0986437303DDSEThe modified CP3 and CP4 Injection pumps offered by Industrial Injection are a drop in replacement for th...

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    $2,743.00
    $2,743.00 - $2,743.00
    $2,743.00
    $2,661.00
    $2,661.00 - $2,661.00
    $2,661.00
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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