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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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  • ATS Diesel 01-12 6.6L LB7 Duramax Stage 3 Allison LCT1000 Transmission Package 2WD. ATS Diesel 01-12 6.6L LB7 Duramax Stage 3 Allison LCT1000 Transmission Package 2WD.

    ATS Diesel 01-12 6.6L LB7 Duramax Stage 3 Allison LCT1000 Transmission Package 2WD

    ATS Diesel
    $7,331.95 - $7,331.95
    $7,331.95
    $7,331.95 - $7,331.95
    $7,331.95

    ATS Diesel Model 3098324248FSMFATS Diesel 01-12 6.6L LB7 Duramax Stage 3 Allison LCT1000 Transmission Package 2WD ATS 2WD 2001-2019 Allison LCT100...

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    $7,331.95 - $7,331.95
    $7,331.95
    $7,331.95 - $7,331.95
    $7,331.95
  • ATS Diesel Billet Flexplate 2001-2023 L5P Duramax 6.6L. ATS Diesel Billet Flexplate 2001-2023 L5P Duramax 6.6L.

    ATS Diesel Billet Flexplate 2001-2023 L5P Duramax 6.6L

    ATS Diesel
    $785.00 - $785.00
    $785.00
    $785.00 - $785.00
    $785.00

    ATS Diesel 01-23 L5P Duramax 6.6L Billet Flexplate SFI approved billet flexplates from ATS will hold up under the most extreme conditions. ATS bill...

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    $785.00 - $785.00
    $785.00
    $785.00 - $785.00
    $785.00
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    ATS Diesel 01-05 GM Allison 1000 CoPilot Transmission Controller - 24 Pin

    ATS Diesel
    $1,175.00 - $1,175.00
    $1,175.00
    $1,175.00 - $1,175.00
    $1,175.00

    ATS Model 6019244248The New 24 Pin ATS Co-Pilot for 2001-05 GM, 5 speed Allison 1000 and 6.6L Duramax, Controls Transmission Pressure and TCC lock ...

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    $1,175.00 - $1,175.00
    $1,175.00
    $1,175.00 - $1,175.00
    $1,175.00
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    ATS Diesel 2004.5-2005 LCT-1000 5-Speed Stage 6 Transmission Rebuild kit

    ATS Diesel
    $3,298.75 - $3,298.75
    $3,298.75
    $3,298.75 - $3,298.75
    $3,298.75

    ATS Model 31390642902004.5 to 2005 GM Allison 5 speed Kit (Stage 6). Includes: TripleLok Torque Converter (Patented Square tab) Exchange the Tripl...

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    $3,298.75 - $3,298.75
    $3,298.75
    $3,298.75 - $3,298.75
    $3,298.75
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    ATS Diesel 2003-05 GM LCT1000 Performance Valve Body Assembly

    ATS Diesel
    $857.68 - $857.68
    $857.68
    $857.68 - $857.68
    $857.68

    ATS Model 3039004272Serving truck enthusiasts for nearly two decades, ATS invents, designs, manufactures, and sells the world's most innovative die...

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    $857.68 - $857.68
    $857.68
    $857.68 - $857.68
    $857.68
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    ATS Diesel ATS Extra Deep Transmission Pan - Allison LCT1000/2000 Automatic

    ATS Diesel
    $372.75 - $372.75
    $372.75
    $372.75 - $372.75
    $372.75

    ATS Model 3019004248ATS Extra Deep Transmission Pan - Allison LCT1000/2000 AutomaticDeep Pan Features Include: Deep filter and gasket necessary fo...

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    $372.75 - $372.75
    $372.75
    $372.75 - $372.75
    $372.75
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    ATS Diesel 04.5-05 LCT-1000 5-Speed Stage 7 Transmission Rebuild kit

    ATS Diesel
    $4,308.68 - $4,308.68
    $4,308.68
    $4,308.68 - $4,308.68
    $4,308.68

    ATS Model 31390742902004.5 to 2005 GM Allison 5 speed Kit (Stage 7).Includes: TripleLok Torque Converter (Patented Square tab) Exchange the Triple...

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    $4,308.68 - $4,308.68
    $4,308.68
    $4,308.68 - $4,308.68
    $4,308.68
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    ATS Diesel 2001-04 LCT-1000 5-Speed Stage 7 Transmission Rebuild kit

    ATS Diesel
    $4,308.68 - $4,308.68
    $4,308.68
    $4,308.68 - $4,308.68
    $4,308.68

    ATS Model 31390742482001 to Early 2004 GM Allison 5 speed Kit (Stage 7).Includes: TripleLok Torque Converter (Patented Square tab) Pump Kit Manufa...

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    $4,308.68 - $4,308.68
    $4,308.68
    $4,308.68 - $4,308.68
    $4,308.68
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    ATS Diesel 2001-02 GM LCT1000 Performance Valve Body Assembly

    ATS Diesel
    $857.68 - $857.68
    $857.68
    $857.68 - $857.68
    $857.68

    ATS Model 3039004248Serving truck enthusiasts for nearly two decades, ATS invents, designs, manufactures, and sells the world's most innovative die...

    View full details
    $857.68 - $857.68
    $857.68
    $857.68 - $857.68
    $857.68
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    ATS Diesel 2001-04 ATS LCT-1000 5-Speed Stage 6 Transmission Rebuild kit

    ATS Diesel
    $3,298.75 - $3,298.75
    $3,298.75
    $3,298.75 - $3,298.75
    $3,298.75

    ATS Model 31390642482001 to Early 2004 GM Allison 5 speed Kit (Stage 6).Includes: TripleLok Torque Converter (Patented Square tab) Exchange the Tr...

    View full details
    $3,298.75 - $3,298.75
    $3,298.75
    $3,298.75 - $3,298.75
    $3,298.75
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    ATS Diesel 2001 to Early 2010 GM Duramax Five Star Torque Converter - Viskus Clutch Mid Stall

    ATS Diesel
    $1,471.75 - $1,471.75
    $1,471.75
    $1,471.75 - $1,471.75
    $1,471.75

    ATS Model 3029504248Standard in all transmission packages, and available individually, is the ATS Five Star Torque Converter. This torque converter...

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    $1,471.75 - $1,471.75
    $1,471.75
    $1,471.75 - $1,471.75
    $1,471.75
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    ATS Diesel Allison Billet Input Shaft

    ATS Diesel
    $793.00 - $793.00
    $793.00
    $793.00 - $793.00
    $793.00

    ATS Model 3049104248This billet steel input shaft is made to fix a weak link in your GM Duramax truck with Allison transmission.Details: Input Sha...

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    $793.00 - $793.00
    $793.00
    $793.00 - $793.00
    $793.00
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    ATS Diesel 2001-2010 GM TripleLok Torque Converter

    ATS Diesel
    $1,268.75 - $1,268.75
    $1,268.75
    $1,268.75 - $1,268.75
    $1,268.75

    ATS Model 3029304248The TripleLok Torque Converter for 2001 to 2010 Allison is the only Diesel torque converter on the market that has been awarded...

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    $1,268.75 - $1,268.75
    $1,268.75
    $1,268.75 - $1,268.75
    $1,268.75
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    ATS Diesel 2001-2010 ATS manufactured Allison C5 clutch pack

    ATS Diesel
    $304.50 - $304.50
    $304.50
    $304.50 - $304.50
    $304.50

    ATS Model 30880542482001-2010 Allison C5 clutch packApplication: 2001-2010 2500/3500 Duramax GM Light Duty Diesel

    $304.50 - $304.50
    $304.50
    $304.50 - $304.50
    $304.50
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    ATS Diesel GM Billet Flexplate (SFI 29.3)

    ATS Diesel
    $785.00 - $785.00
    $785.00
    $785.00 - $785.00
    $785.00

    ATS Model 3059004248SFI approved billet flexplates from ATS will hold up under the most extreme conditions. ATS billet flexplates are SFI approved,...

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    $785.00 - $785.00
    $785.00
    $785.00 - $785.00
    $785.00
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    ATS Diesel 2001-05 GM LCT1000 5-Speed Trim Valve Kit

    ATS Diesel
    $154.50 - $154.50
    $154.50
    $154.50 - $154.50
    $154.50

    ATS Model 3039044248Serving truck enthusiasts for nearly two decades, ATS invents, designs, manufactures, and sells the world's most innovative die...

    View full details
    $154.50 - $154.50
    $154.50
    $154.50 - $154.50
    $154.50
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    ATS Diesel 01+ GM / 03+ Dodge 14-Bolt 11.5in American Axle ATS Protector Rear Differential Cover

    ATS Diesel
    $280.68 - $280.68
    $280.68
    $280.68 - $280.68
    $280.68

    ATS Model 4029156248ATS Protector Rear Differential Cover for AAM 14-Bolt 11.5 Inch. Cast aluminum construction with a black powdercoat finish. Kit...

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    $280.68 - $280.68
    $280.68
    $280.68 - $280.68
    $280.68
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    ATS Diesel 2000 - Early 05 Dodge 2wd NV5600 Trans

    ATS Diesel
    $5,115.60 - $5,115.60
    $5,115.60
    $5,115.60 - $5,115.60
    $5,115.60

    ATS Model 3119622236ATS Built NV5600 6-Speed Manual Trans, 2000-Early 2005 Dodge 2WDDetails: ATS NV5600 Transmission 6-Speed Manual Cast Iron Case...

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    $5,115.60 - $5,115.60
    $5,115.60
    $5,115.60 - $5,115.60
    $5,115.60
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    ATS Diesel 2001-2015 GM 6.6L Duramax Up Pipe Direct Replacement Kit (Driver & Pass Side Incl. HW)

    ATS Diesel
    $558.25 - $558.25
    $558.25
    $558.25 - $558.25
    $558.25

    ATS Model 2041384248Up Pipe Kit, Direct Replacement, Both Driver and Passenger Sides, 6.6L Duramax, Includes Hardware and Gaskets.Details: 6.6L Du...

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    $558.25 - $558.25
    $558.25
    $558.25 - $558.25
    $558.25

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