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LB7 Duramax Parts

Parts for the LB7 Duramax (2001 to 2004).

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  • Kryptonite Shock Extensions For 2001 to 2010 Chevy/GMC HD Trucks

    Kryptonite
    Original price $37.99 - Original price $37.99
    Original price
    $37.99
    $37.99 - $37.99
    Current price $37.99

    Parts #- KRSE10 Fits: 2001-2010 2500 / 3500 GM HD Truck Description: Kryptonite Shock Extensions are the easiest way to space your stock length sho...

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    Original price $37.99 - Original price $37.99
    Original price
    $37.99
    $37.99 - $37.99
    Current price $37.99
  • Bilstein 5100 Series Steering Stabilizer For 2001 to 2010 Chevy/GMC 1500HD/2500HD/3500HD Trucks & 2002 to 2009 Hummer H2

    Kryptonite
    Original price $129.99 - Original price $129.99
    Original price
    $129.99
    $129.99 - $129.99
    Current price $129.99

    Fits; 2001–2010 Chevrolet & GMC 1500HD / 2500 / 2500HD / 3500 / 3500HD (2WD/4WD), 2001–2013 Chevy & GMC 2500 2WD/4WD SUVs, 2003–2009 Hummer...

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    Original price $129.99 - Original price $129.99
    Original price
    $129.99
    $129.99 - $129.99
    Current price $129.99
  • Kryptonite Leveling Key Set For 2001 to 2010 Chevy/GMC 1500HD/2500HD/3500HD

    Kryptonite
    Original price $113.99 - Original price $113.99
    Original price
    $113.99
    $113.99 - $113.99
    Current price $113.99

    Fits; 2001–2010 Chevrolet / GMC 2500HD & 3500HD Important Fitment Info: This kit is designed to level the front suspension without compromising...

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    Original price $113.99 - Original price $113.99
    Original price
    $113.99
    $113.99 - $113.99
    Current price $113.99
  • Kryptonite Stage 3 Leveling Kit With Fox Shocks For 2001 to 2010 Chevy/GMC HD Trucks & 2002 to 2009 Hummer H2

    Kryptonite
    Original price $1,481.99 - Original price $1,481.99
    Original price
    $1,481.99
    $1,481.99 - $1,481.99
    Current price $1,481.99

    Fits:2001–2010 Chevy/GMC 1500HD, 2500HD, 3500HD2002–2009 Hummer H2 (8 Lug Trucks Only)2001-2013 Chevy/GMC 2500 SUV Important Fitment Info: This kit...

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    Original price $1,481.99 - Original price $1,481.99
    Original price
    $1,481.99
    $1,481.99 - $1,481.99
    Current price $1,481.99
  • Kryptonite Stage 2 Leveling Kit With Shock Extensions For Chevy/GMC 2001 to 2010 HD Trucks 2002 to 2009 Hummer H2

    Kryptonite
    Original price $759.99 - Original price $759.99
    Original price
    $759.99
    $759.99 - $759.99
    Current price $759.99

    Fits:2001–2010 Chevrolet / GMC 1500HD / 2500HD / 3500HD2002–2009 Hummer H2 (8 Lug Trucks Only)2001-2013 Chevy/GMC 2500 SUV Important Fitment Info: ...

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    Original price $759.99 - Original price $759.99
    Original price
    $759.99
    $759.99 - $759.99
    Current price $759.99
  • Kryptonite Idler Support For 1999 to 2010 Chevy/GMC Trucks & Hummer H2

    Kryptonite
    Original price $227.99 - Original price $227.99
    Original price
    $227.99
    $227.99 - $227.99
    Current price $227.99

    Fits: 2001–2010 Chevrolet and GMC 1500HD / 2500 / 2500HD / 3500 / 3500HD trucks 2001–2013 2500 Suburban and 2500 Yukon XL 2003–2009 Hummer H2 and ...

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    Original price $227.99 - Original price $227.99
    Original price
    $227.99
    $227.99 - $227.99
    Current price $227.99
  • Kryptonite Idler Arm For 2001 to 2010 Chevy/GMC HD Trucks & Hummer H2

    Kryptonite
    Original price $284.99 - Original price $284.99
    Original price
    $284.99
    $284.99 - $284.99
    Current price $284.99

    Part# 10KDG535 Fits: 2001–2010 Chevy/GMC 1500HD, 2500HD, 3500 GM Trucks Features: Robust Construction - Forged Idler Body High Grade Materials -...

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    Original price $284.99 - Original price $284.99
    Original price
    $284.99
    $284.99 - $284.99
    Current price $284.99
  • Kryptonite Ss Centerlink And Tie Rod Package 2001 to 2010 HD Trucks & 2002 to 2009 Hummer H2

    Kryptonite
    Original price $759.99 - Original price $759.99
    Original price
    $759.99
    $759.99 - $759.99
    Current price $759.99

    Fits: 2001–2010 Chevrolet / GMC 1500HD, 2500HD, 3500HD2002–2009 Hummer H2(For 8-lug trucks only) Important Fitment Info: This system is engineered ...

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    Original price $759.99 - Original price $759.99
    Original price
    $759.99
    $759.99 - $759.99
    Current price $759.99
  • Wagler Pushrods - 01-16 GM Duramax 6.6L

    Wagler
    Original price $501.03 - Original price $501.03
    Original price
    $501.03
    $501.03 - $501.03
    Current price $501.03

    Wagler Model WCPC6664 Fitment Notes: 2001-2016 GM Duramax 6.6L LLB7/LLY/LBZ/LMM/LML Upgrade the valvetrain in your 2001-2016 GM 6.6L Duramax with ...

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    Original price $501.03 - Original price $501.03
    Original price
    $501.03
    $501.03 - $501.03
    Current price $501.03
  • PPE 118034300 Head Stud Kit

    PPE
    Original price $540.00 - Original price $540.00
    Original price
    $540.00
    $540.00 - $540.00
    Current price $540.00

    The PPE 118034300 Head Stud Kit is engineered to handle higher boost levels and is an excellent upgrade over the stock bolts in your 2001-2016 GM 6...

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    Original price $540.00 - Original price $540.00
    Original price
    $540.00
    $540.00 - $540.00
    Current price $540.00
  • XDP Performance Valve Springs & Retainer Kit XD386

    XDP
    Original price $696.95 - Original price $696.95
    Original price
    $696.95
    $696.95 - $696.95
    Current price $696.95

    XDP Model XD386 The XDP Performance Valve Springs & Retainer Kit XD386 are a perfect upgrade for your modified 2001-2016 GM 6.6L Duramax. Cams...

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    Original price $696.95 - Original price $696.95
    Original price
    $696.95
    $696.95 - $696.95
    Current price $696.95
  • XDP Rocker Arm Shafts XD385

    XDP
    Original price $484.95 - Original price $484.95
    Original price
    $484.95
    $484.95 - $484.95
    Current price $484.95

    XDP Model XD385 The XDP Rocker Arm Shafts XD385 are specially designed to minimize the common oiling issues in the 2001-2019 GM 6.6L Duramax engin...

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    Original price $484.95 - Original price $484.95
    Original price
    $484.95
    $484.95 - $484.95
    Current price $484.95
  • XDP Billet Rocker Arm Valve Bridge Set XD384

    XDP
    Original price $468.95 - Original price $468.95
    Original price
    $468.95
    $468.95 - $468.95
    Current price $468.95

    XDP Model XD384 The XDP Billet Rocker Arm Valve Bridge Set XD384 will greatly improve the factory valvetrain in your modified 2001-2016 GM 6.6L Du...

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    Original price $468.95 - Original price $468.95
    Original price
    $468.95
    $468.95 - $468.95
    Current price $468.95
  • XDP Wrinkle Black HD High Output Alternator XD355

    XDP
    Original price $477.95 - Original price $477.95
    Original price
    $477.95
    $477.95 - $477.95
    Current price $477.95

    XDP Model XD355 Increase the output of the charging system in your 2001-2007 GM 6.6L Duramax with the XDP Wrinkle Black HD High Output Alternator X...

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    Original price $477.95 - Original price $477.95
    Original price
    $477.95
    $477.95 - $477.95
    Current price $477.95
  • XDP 7/16" Competition & Race Performance Pushrods XD316

    XDP
    Original price $397.95 - Original price $397.95
    Original price
    $397.95
    $397.95 - $397.95
    Current price $397.95

    XDP Model XD316Restore lost power from the valvetrain in your 2001-2016 GM 6.6L Duramax with the XDP Pushrods 7/16" Competition & Race Performa...

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    Original price $397.95 - Original price $397.95
    Original price
    $397.95
    $397.95 - $397.95
    Current price $397.95
  • Smeding Diesel S475 T6 Turbocharger

    Smeding
    Original price $799.00 - Original price $1,255.00
    Original price
    $799.00
    $799.00 - $1,255.00
    Current price $799.00

    Smeding Diesel S475/96 T6 Turbocharger This turbo may be purchased with 1.32 or 1.15 exhaust housing

    Original price $799.00 - Original price $1,255.00
    Original price
    $799.00
    $799.00 - $1,255.00
    Current price $799.00
  • Smeding Diesel Billet S483 T6 Turbocharger

    Smeding
    Original price $1,280.00 - Original price $1,460.00
    Original price
    $1,280.00
    $1,280.00 - $1,460.00
    Current price $1,280.00

    Smeding Diesel S483/96 T6 Turbocharger This turbo may be purchased with 1.32 or 1.15 exhaust housing

    Original price $1,280.00 - Original price $1,460.00
    Original price
    $1,280.00
    $1,280.00 - $1,460.00
    Current price $1,280.00
  • Smeding Diesel Billet SXE-R S488 T6 Turbocharger

    Smeding
    Original price $1,845.00 - Original price $2,025.00
    Original price
    $1,845.00
    $1,845.00 - $2,025.00
    Current price $1,845.00

    Smeding Diesel Billet SXE-R S488/96 T6 Turbocharger This turbo may be purchased with 1.32 or 1.15 exhaust housing

    Original price $1,845.00 - Original price $2,025.00
    Original price
    $1,845.00
    $1,845.00 - $2,025.00
    Current price $1,845.00
  • Smeding Diesel Steel 360* Thrust Bearing Upgrade

    Smeding
    Original price $180.00 - Original price $180.00
    Original price
    $180.00
    $180.00 - $180.00
    Current price $180.00

    This is for an upgrade only and must be purchased with a turbo.

    Original price $180.00 - Original price $180.00
    Original price
    $180.00
    $180.00 - $180.00
    Current price $180.00
  • Smeding Diesel S480 T6 Turbocharger

    Smeding
    Original price $1,035.00 - Original price $1,495.00
    Original price
    $1,035.00
    $1,035.00 - $1,495.00
    Current price $1,035.00

    Smeding Diesel S480/96 T6 Turbocharger This turbo may be purchased with 1.32 or 1.15 exhaust housing

    Original price $1,035.00 - Original price $1,495.00
    Original price
    $1,035.00
    $1,035.00 - $1,495.00
    Current price $1,035.00
  • Smeding Diesel Billet SXE-R S478 T6 Turbocharger

    Smeding
    Original price $1,845.00 - Original price $2,025.00
    Original price
    $1,845.00
    $1,845.00 - $2,025.00
    Current price $1,845.00

    Smeding Diesel Billet SXE-R S478/96 T6 Turbocharger This turbo may be purchased with 1.32 or 1.15 exhaust housing

    Original price $1,845.00 - Original price $2,025.00
    Original price
    $1,845.00
    $1,845.00 - $2,025.00
    Current price $1,845.00
  • Smeding Diesel Billet S472 T4 90 Degree Cover Turbocharger

    Smeding
    Original price $1,395.00 - Original price $1,780.00
    Original price
    $1,395.00
    $1,395.00 - $1,780.00
    Current price $1,395.00

    Smeding Diesel Billet S472 T4 90 Degree Cover Turbocharger This turbo will come with out Smeding Diesel exclusive, 90* 3rd gen style race cover ins...

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    Original price $1,395.00 - Original price $1,780.00
    Original price
    $1,395.00
    $1,395.00 - $1,780.00
    Current price $1,395.00
  • Smeding Diesel S364.5 SXE Turbocharger

    Smeding
    Original price $975.00 - Original price $1,325.00
    Original price
    $975.00
    $975.00 - $1,325.00
    Current price $975.00

    Smeding Diesel S364.5 SXE Turbocharger

    Original price $975.00 - Original price $1,325.00
    Original price
    $975.00
    $975.00 - $1,325.00
    Current price $975.00
  • Smeding Diesel S372 SXE Turbocharger

    Smeding
    Original price $1,095.00 - Original price $1,385.00
    Original price
    $1,095.00
    $1,095.00 - $1,385.00
    Current price $1,095.00

    s372 sxe turbocharger

    Original price $1,095.00 - Original price $1,385.00
    Original price
    $1,095.00
    $1,095.00 - $1,385.00
    Current price $1,095.00

The LB7 is the original 6.6L Duramax, built by GM and Isuzu for 2001 to 2004 Chevy Silverado HD and GMC Sierra HD trucks. It has a cast iron block, aluminum heads, a Bosch CP3 pump and no DPF or EGR, which makes it a favorite for high mileage reliability and tuning.

Shop LB7 Duramax Parts by Category

Not sure what fits? Send us your VIN or call 865.640.2097 and we will match the right part.

LB7 Duramax FAQ

What is the LB7 known for?

A strong bottom end and no emissions equipment, which makes it popular for tuning and long term reliability.

What are common LB7 problems?

Injector failure is the most common issue, often from fuel contamination. Keeping fuel filtration in good shape helps prevent it.