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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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    Mishimoto 01-21 Silverado Sierra Express Savana Duramax 6.6L Low Temp Thermostat Set

    Mishimoto
    $ 2,134.00 - $ 2,134.00
    $ 2,134.00
    $ 2,134.00 - $ 2,134.00
    $ 2,134.00

    Mishimoto 01-21 Silverado Sierra Express Savana Duramax 6.6L Low Temp Thermostat Set Fits 2001-2021 Chevrolet/GMC 6.6L Duramax (see fitment char...

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    $ 2,134.00 - $ 2,134.00
    $ 2,134.00
    $ 2,134.00 - $ 2,134.00
    $ 2,134.00
  • User 1 Photo - Primary

    Mishimoto Mishimoto Steel Spiked Lug Nuts M14 x 1.5 32pc Set Black

    Mishimoto
    $ 2,344.00 - $ 2,344.00
    $ 2,344.00
    $ 2,344.00 - $ 2,344.00
    $ 2,344.00

    Mishimoto Model MMLG-SP1415-32BKThe details matter when you're building your dream car. Every bolt is meticulously chosen for not only function, bu...

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    $ 2,344.00 - $ 2,344.00
    $ 2,344.00
    $ 2,344.00 - $ 2,344.00
    $ 2,344.00
  • responsive-image responsive-image

    Mishimoto 01-21 Silverado Sierra Express Savana Duramax 6.6L High Temp Thermostat Set

    Mishimoto
    $ 2,096.00 - $ 2,096.00
    $ 2,096.00
    $ 2,096.00 - $ 2,096.00
    $ 2,096.00

    Mishimoto 01-10 Chevy Duramax 2500 6.6L 185 & 191F Degrees Racing Thermostat The Mishimoto Chevrolet Duramax high temperature thermostats activ...

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    $ 2,096.00 - $ 2,096.00
    $ 2,096.00
    $ 2,096.00 - $ 2,096.00
    $ 2,096.00
  • responsive-image responsive-image

    Mishimoto Upper & Lower Silicone Radiator Hose Kit 2001-2005 Duramax 6.6L

    Mishimoto
    $ 7,944.00 - $ 7,944.00
    $ 7,944.00
    $ 7,944.00 - $ 7,944.00
    $ 7,944.00

    Mishimoto Upper & Lower Silicone Radiator Hose Kit 2001-2005 Duramax 6.6L Mishimoto's Duramax coolant hose kits are constructed from a combinat...

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    $ 7,944.00 - $ 7,944.00
    $ 7,944.00
    $ 7,944.00 - $ 7,944.00
    $ 7,944.00
  • User 1 Photo - Primary

    Mishimoto 01-10 GM 6.6L Duramax Oil Pan

    Mishimoto
    $ 2,115.00 - $ 2,115.00
    $ 2,115.00
    $ 2,115.00 - $ 2,115.00
    $ 2,115.00

    Mishimoto Model MMOPN-DMAX-01SThe Mishimoto Chevy/GMC 6.6L Duramax 2001-2010 Oil Pan is a direct replacement for your dented, cracked, rusted, or s...

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    $ 2,115.00 - $ 2,115.00
    $ 2,115.00
    $ 2,115.00 - $ 2,115.00
    $ 2,115.00
  • User 1 Photo - Primary

    Mishimoto Mishimoto Steel Spiked Lug Nuts M14 x 1.5 32pc Set Red

    Mishimoto
    $ 2,496.00 - $ 2,496.00
    $ 2,496.00
    $ 2,496.00 - $ 2,496.00
    $ 2,496.00

    Mishimoto Model MMLG-SP1415-32RD The details matter when you're building your dream car. Every bolt is meticulously chosen for not only function, b...

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    $ 2,496.00 - $ 2,496.00
    $ 2,496.00
    $ 2,496.00 - $ 2,496.00
    $ 2,496.00
  • User 1 Photo - Primary

    Mishimoto Mishimoto Steel Spiked Lug Nuts M14 x 1.5 32pc Set Gold

    Mishimoto
    $ 2,496.00 - $ 2,496.00
    $ 2,496.00
    $ 2,496.00 - $ 2,496.00
    $ 2,496.00

    Mishimoto Model MMLG-SP1415-32GDThe details matter when you're building your dream car. Every bolt is meticulously chosen for not only function, bu...

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    $ 2,496.00 - $ 2,496.00
    $ 2,496.00
    $ 2,496.00 - $ 2,496.00
    $ 2,496.00
  • User 1 Photo - Primary

    Mishimoto Mishimoto Steel Spiked Lug Nuts M14 x 1.5 32pc Set Chrome

    Mishimoto
    $ 2,344.00 - $ 2,344.00
    $ 2,344.00
    $ 2,344.00 - $ 2,344.00
    $ 2,344.00

    Mishimoto Model MMLG-SP1415-32CH The details matter when you're building your dream car. Every bolt is meticulously chosen for not only function, b...

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    $ 2,344.00 - $ 2,344.00
    $ 2,344.00
    $ 2,344.00 - $ 2,344.00
    $ 2,344.00
  • User 1 Photo - Primary

    Mishimoto Mishimoto Steel Spiked Lug Nuts M14 x 1.5 32pc Set Blue

    Mishimoto
    $ 2,496.00 - $ 2,496.00
    $ 2,496.00
    $ 2,496.00 - $ 2,496.00
    $ 2,496.00

    Mishimoto Model MMLG-SP1415-32BLThe details matter when you're building your dream car. Every bolt is meticulously chosen for not only function, bu...

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    $ 2,496.00 - $ 2,496.00
    $ 2,496.00
    $ 2,496.00 - $ 2,496.00
    $ 2,496.00
  • Mishimoto Wheel Spacers - 5x120 - 67.1 - 35 - M14 - Black. Mishimoto Wheel Spacers - 5x120 - 67.1 - 35 - M14 - Black.

    Mishimoto Wheel Spacers - 5x120 - 67.1 - 35 - M14 - Black

    Mishimoto
    $ 3,963.00 - $ 3,963.00
    $ 3,963.00
    $ 3,963.00 - $ 3,963.00
    $ 3,963.00

    Wheel spacers are a great way to create brake clearance, add track width, prevent tire rub, and provide ideal wheel fitment on your vehicle. Mishim...

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    $ 3,963.00 - $ 3,963.00
    $ 3,963.00
    $ 3,963.00 - $ 3,963.00
    $ 3,963.00
  • Mishimoto Wheel Spacers - 5x120 - 67.1 - 30 - M14 - Black. Mishimoto Wheel Spacers - 5x120 - 67.1 - 30 - M14 - Black.

    Mishimoto Wheel Spacers - 5x120 - 67.1 - 30 - M14 - Black

    Mishimoto
    $ 3,810.00 - $ 3,810.00
    $ 3,810.00
    $ 3,810.00 - $ 3,810.00
    $ 3,810.00

    Wheel spacers are a great way to create brake clearance, add track width, prevent tire rub, and provide ideal wheel fitment on your vehicle. Mishim...

    View full details
    $ 3,810.00 - $ 3,810.00
    $ 3,810.00
    $ 3,810.00 - $ 3,810.00
    $ 3,810.00
  • Mishimoto Wheel Spacers - 5x120 - 67.1 - 25 - M14 - Black. Mishimoto Wheel Spacers - 5x120 - 67.1 - 25 - M14 - Black.

    Mishimoto Wheel Spacers - 5x120 - 67.1 - 25 - M14 - Black

    Mishimoto
    $ 3,696.00 - $ 3,696.00
    $ 3,696.00
    $ 3,696.00 - $ 3,696.00
    $ 3,696.00

    Wheel spacers are a great way to create brake clearance, add track width, prevent tire rub, and provide ideal wheel fitment on your vehicle. Mishim...

    View full details
    $ 3,696.00 - $ 3,696.00
    $ 3,696.00
    $ 3,696.00 - $ 3,696.00
    $ 3,696.00
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    Mishimoto 2004.5-2016 Chevrolet/GMC 6.6L Duramax Turbo Blanket

    Mishimoto
    $ 4,534.00 - $ 4,534.00
    $ 4,534.00
    $ 4,534.00 - $ 4,534.00
    $ 4,534.00

    Help reduce the heat in your 2004.5-2016 Chevrolet/GMC 6.6L LLY, LBZ, LMM, and LML Duramax engine bay with this Mishimoto turbo blanket. One of the...

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    $ 4,534.00 - $ 4,534.00
    $ 4,534.00
    $ 4,534.00 - $ 4,534.00
    $ 4,534.00
  • responsive-image responsive-image

    Mishimoto 01-04 Chevrolet/GMC 6.6L Duramax Turbo Blanket

    Mishimoto
    $ 4,744.00 - $ 4,744.00
    $ 4,744.00
    $ 4,744.00 - $ 4,744.00
    $ 4,744.00

    Help reduce the heat in your 2001-2004 Chevrolet/GMC 6.6L Duramax engine bay with this Mishimoto turbo blanket. One of the main drawbacks to a turb...

    View full details
    $ 4,744.00 - $ 4,744.00
    $ 4,744.00
    $ 4,744.00 - $ 4,744.00
    $ 4,744.00
  • responsive-image responsive-image

    Mishimoto 99-13 Chevrolet Silverado / GMC Sierra Transmission Cooler

    Mishimoto
    $ 8,382.00 - $ 8,382.00
    $ 8,382.00
    $ 8,382.00 - $ 8,382.00
    $ 8,382.00

    There's no greater enemy for a transmission than heat. Whether your 1999-2013 GMT800 or 900 Chevy Silverado/GMC Sierra is a dedicated tow vehicle, ...

    View full details
    $ 8,382.00 - $ 8,382.00
    $ 8,382.00
    $ 8,382.00 - $ 8,382.00
    $ 8,382.00
  • responsive-image responsive-image

    Mishimoto 03-05 Chevrolet / GMC 6.6L Duramax (LB7/LLY) Transmission Cooler

    Mishimoto
    $ 10,458.00 - $ 10,458.00
    $ 10,458.00
    $ 10,458.00 - $ 10,458.00
    $ 10,458.00

    There's no greater enemy for a transmission than heat. Whether your 2003-2005 Chevy/GMC 6.6L Duramax is a dedicated tow vehicle, hardworking fleet ...

    View full details
    $ 10,458.00 - $ 10,458.00
    $ 10,458.00
    $ 10,458.00 - $ 10,458.00
    $ 10,458.00
  • responsive-image responsive-image

    Mishimoto 01-05 Chevrolet/GMC 6.6L Duramax (LB7/LLY) Transmission Cooler Line Kit

    Mishimoto
    $ 8,001.00 - $ 8,001.00
    $ 8,001.00
    $ 8,001.00 - $ 8,001.00
    $ 8,001.00

    Every truck owner knows that it doesn't matter how powerful or reliable your engine is if you can't get any power to the wheels. The transmission m...

    View full details
    $ 8,001.00 - $ 8,001.00
    $ 8,001.00
    $ 8,001.00 - $ 8,001.00
    $ 8,001.00
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    Mishimoto HOT SIDE Intercooler Pipe & Boot Kit 04.5-10 LLY LBZ LMM 6.6L Duramax

    Mishimoto
    $ 7,468.00 - $ 7,468.00
    $ 7,468.00
    $ 7,468.00 - $ 7,468.00
    $ 7,468.00

    Mishimoto HOT SIDE Intercooler Pipe & Boot Kit 04.5-10 LLY LBZ LMM 6.6L Duramax Improve the power and efficiency of your Duramax with the Mishi...

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    $ 7,468.00 - $ 7,468.00
    $ 7,468.00
    $ 7,468.00 - $ 7,468.00
    $ 7,468.00
  • responsive-image responsive-image

    Mishimoto 01-07 Chevy/GMC 6.6L Duramax Degas Tank - Natural

    Mishimoto
    $ 9,887.00 - $ 9,887.00
    $ 9,887.00
    $ 9,887.00 - $ 9,887.00
    $ 9,887.00

    Two decades of heat cycling plastic components, such as your factory degas tank, will undoubtedly make them brittle and discolored. If your factory...

    View full details
    $ 9,887.00 - $ 9,887.00
    $ 9,887.00
    $ 9,887.00 - $ 9,887.00
    $ 9,887.00
  • responsive-image responsive-image

    Mishimoto 01-07 Chevy/GMC 6.6L Duramax Degas Tank - Black

    Mishimoto
    $ 9,887.00 - $ 9,887.00
    $ 9,887.00
    $ 9,887.00 - $ 9,887.00
    $ 9,887.00

    Two decades of heat cycling plastic components, such as your factory degas tank, will undoubtedly make them brittle and discolored. If your factory...

    View full details
    $ 9,887.00 - $ 9,887.00
    $ 9,887.00
    $ 9,887.00 - $ 9,887.00
    $ 9,887.00
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    Mishimoto Intercooler Kit With Pipes & Boots 2002-2004* LB7 Duramax 6.6L

    Mishimoto
    $ 37,222.00 - $ 37,222.00
    $ 37,222.00
    $ 37,222.00 - $ 37,222.00
    $ 37,222.00

    Mishimoto Intercooler Kit With Pipes & Boots 2002-2004* LB7 Duramax 6.6L Black Intercooler With Polished Pipe Kit. Mishimoto is expanding thei...

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    $ 37,222.00 - $ 37,222.00
    $ 37,222.00
    $ 37,222.00 - $ 37,222.00
    $ 37,222.00
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    Mishimoto Intercooler Kit With Pipes & Boots 2002-2004* LB7 Duramax 6.6L - Silver

    Mishimoto
    $ 37,222.00 - $ 37,222.00
    $ 37,222.00
    $ 37,222.00 - $ 37,222.00
    $ 37,222.00

    Mishimoto Intercooler Kit With Pipes & Boots 2002-2004* LB7 Duramax 6.6L Silver Intercooler With Polished Pipe Kit. Mishimoto is expanding the...

    View full details
    $ 37,222.00 - $ 37,222.00
    $ 37,222.00
    $ 37,222.00 - $ 37,222.00
    $ 37,222.00
  • responsive-image responsive-image

    Mishimoto Upper & Lower Silicone Radiator Hose Kit 2001-2005 Duramax 6.6L - Red

    Mishimoto
    $ 7,944.00 - $ 7,944.00
    $ 7,944.00
    $ 7,944.00 - $ 7,944.00
    $ 7,944.00

    Mishimoto Upper & Lower Silicone Radiator Hose Kit 2001-2005 Duramax 6.6L Mishimoto's Duramax coolant hose kits are constructed from a combinat...

    View full details
    $ 7,944.00 - $ 7,944.00
    $ 7,944.00
    $ 7,944.00 - $ 7,944.00
    $ 7,944.00
  • responsive-image responsive-image

    Mishimoto 01-03 Chevrolet / GMC 6.6L Duramax (LB7) Transmission Cooler

    Mishimoto
    $ 10,458.00 - $ 10,458.00
    $ 10,458.00
    $ 10,458.00 - $ 10,458.00
    $ 10,458.00

    There's no greater enemy for a transmission than heat. Whether your 2001-2003 Chevy/GMC 6.6L Duramax is a dedicated tow vehicle, hardworking fleet ...

    View full details
    $ 10,458.00 - $ 10,458.00
    $ 10,458.00
    $ 10,458.00 - $ 10,458.00
    $ 10,458.00

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