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LB7 Duramax Parts

Parts for the LB7 Duramax (2001 to 2004).

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  • Fleece Performance Duramax Remote Turbo Oil Feed Line Kit for 01-16 Duramax/w 1/4 NPT Oil Inlet

    Fleece Performance
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $99.99
    $99.99 - $99.99
    Current price $99.99

    Fleece Performance Model FPE-DTFL-S3S4-0116Problem: The factory turbo oil feed used on 2001-2016 Duramax's is supplied off of the #4 cam journal be...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $99.99
    $99.99 - $99.99
    Current price $99.99
  • Mishimoto 03-05 Chevrolet / GMC 6.6L Duramax (LB7/LLY) Transmission Cooler

    Mishimoto
    Original price $346.00
    Original price $346.00 - Original price $346.00
    Original price $346.00
    Current price $314.95
    $314.95 - $314.95
    Current price $314.95

    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 ...

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    Original price $346.00
    Original price $346.00 - Original price $346.00
    Original price $346.00
    Current price $314.95
    $314.95 - $314.95
    Current price $314.95
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  • WeatherTech Hood Protector Black for 2001 to 2002 Chevy Silverado LB7

    WeatherTech
    Original price $9,999.00 - Original price $9,999.00
    Original price
    $9,999.00
    $9,999.00 - $9,999.00
    Current price $9,999.00

    The Hood Protector is a custom-fit bug and debris shield that helps preserve and maintain paint finishes. Features a sleek and low profile made fro...

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    Original price $9,999.00 - Original price $9,999.00
    Original price
    $9,999.00
    $9,999.00 - $9,999.00
    Current price $9,999.00
  • Wehrli 01-04 Chevrolet 6.6L LB7 Duramax 3in Y-Bridge Kit

    Wehrli
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $897.25
    $897.25 - $897.25
    Current price $897.25

    Wehrli Model WCF100693 The only High Flow 3” Complete Y-Bridge kit on the market for your LB7 that is compatible with the factory IHI turbo and aft...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $897.25
    $897.25 - $897.25
    Current price $897.25
  • Wehrli 2 Inch Stainless Up Pipe Kit, Single Turbo | 2001 to 2004 LB7 Duramax

    Wehrli
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $619.83
    $619.83 - $619.83
    Current price $619.83

    Wehrli Model WCF100590Wehrli 01-04 Chevrolet 6.6L Duramax LB7 2in Stainless Up Pipe Kit w/Gaskets - Single Turbo Replace the lightweight 16G, leak-...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $619.83
    $619.83 - $619.83
    Current price $619.83
  • Wehrli 01-04 Chevrolet 6.6L LB7 Duramax 3in Down Pipe

    Wehrli
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $237.65
    $237.65 - $237.65
    Current price $237.65

    Wehrli Model WCF100119 3" LB7 Turbo Downpipe for use with OEM charger or Stealth series Drop in. High Temp Coated and Heat Wrap included. Compatibl...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $237.65
    $237.65 - $237.65
    Current price $237.65
  • Exergy 01-04 Chevrolet Duramax 6.6L LB7 Rail Pressure Sensor

    Exergy
    Original price $229.00 - Original price $229.00
    Original price
    $229.00
    $229.00 - $229.00
    Current price $229.00

    Exergy 2001 to 2004 Chevrolet Duramax 6.6L LB7 Rail Pressure Sensor. Sold and shipped by Powerhouse Diesel, a diesel repair and performance shop in...

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    Original price $229.00 - Original price $229.00
    Original price
    $229.00
    $229.00 - $229.00
    Current price $229.00
  • GM Injector Install Kit For 01-04 6.6L LB7 Duramax Industrial Injection

    Industrial Injection
    Original price $796.95
    Original price $796.95 - Original price $796.95
    Original price $796.95
    Current price $773.04
    $773.04 - $773.04
    Current price $773.04

    Industrial Injection Model: 412602The LB7 Injector install kit was developed to make installation a breeze by providing you all the extra little pa...

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    Original price $796.95
    Original price $796.95 - Original price $796.95
    Original price $796.95
    Current price $773.04
    $773.04 - $773.04
    Current price $773.04
    Save 3% Save %
  • GM FCA For 01-04 LB7 6.6L Duramax Industrial Injection

    Industrial Injection
    Original price $204.88 - Original price $204.88
    Original price
    $204.88
    $204.88 - $204.88
    Current price $204.88

    Industrial Injection Model: 0928400535-IISReplacement FCA for a LB7 CP3. Industrial Injection is the leading distributor, supplier and remanufactur...

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    Original price $204.88 - Original price $204.88
    Original price
    $204.88
    $204.88 - $204.88
    Current price $204.88
  • Rough Country 2 Inch Receiver D Ring Kit with Pin

    Rough Country
    Original price $29.95 - Original price $29.95
    Original price
    $29.95
    $29.95 - $29.95
    Current price $29.95

    Rough Country 2 Inch Receiver D Ring Kit with Pin. Sold and shipped by Powerhouse Diesel, a diesel repair and performance shop in Knoxville, TN. P...

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    Original price $29.95 - Original price $29.95
    Original price
    $29.95
    $29.95 - $29.95
    Current price $29.95
  • Pusher Max Compound Turbo System for 2001-2004 Duramax LB7 Trucks

    Pusher Intakes
    Original price $3,150.99 - Original price $3,150.99
    Original price
    $3,150.99
    $3,150.99 - $3,150.99
    Current price $3,150.99

    Compound turbos for the 2001 to 2004 LB7 Duramax, built for anything from a stock daily driver to over 1000 HP. Part number: PGD0104GBS Questions ...

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    Original price $3,150.99 - Original price $3,150.99
    Original price
    $3,150.99
    $3,150.99 - $3,150.99
    Current price $3,150.99
  • S&B Body Mount Kit | 2001 to 2005 GM 1500, 2500, 3500 Extended and Crew Cab

    S&B
    Original price $499.00 - Original price $499.00
    Original price
    $499.00
    $499.00 - $499.00
    Current price $499.00

    S&B Body Mount Kit for the 2001 to 2005 GM 1500, 2500, 3500 Extended and Crew Cab. Sold and shipped by Powerhouse Diesel, a diesel repair and p...

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    Original price $499.00 - Original price $499.00
    Original price
    $499.00
    $499.00 - $499.00
    Current price $499.00
  • Kryptonite Solid Steel Tie Rod Sleeves Zinc Plated For 2001 to 2010 Chevy/GMC HD Trucks

    Kryptonite
    Original price $33.24 - Original price $33.24
    Original price
    $33.24
    $33.24 - $33.24
    Current price $33.24

    Fits; 2001–2010 Chevrolet & GMC 1500HD / 2500 / 2500HD / 3500 / 3500HD, 2001–2013 Chevrolet Suburban 2500 / GMC Yukon XL 2500, 2003–2009 Hummer...

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    Original price $33.24 - Original price $33.24
    Original price
    $33.24
    $33.24 - $33.24
    Current price $33.24
  • Kryptonite Press In Upper Ball Joint For Stock Control Arm For 2001 to 2010 Chevy/GMC HD Trucks & Hummer H2

    Kryptonite
    Original price $56.99 - Original price $56.99
    Original price
    $56.99
    $56.99 - $56.99
    Current price $56.99

    Fits:2001–2010 Chevy/GMC 1500HD / 2500HD / 3500HD & Hummer H2 with stock control arms only Features: Heavy-Duty Construction – Engineered for ...

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    Original price $56.99 - Original price $56.99
    Original price
    $56.99
    $56.99 - $56.99
    Current price $56.99
  • Kryptonite Upper and Lower Ball Joints for Stock Arms | 2001 to 2010 GM HD

    Kryptonite
    Original price $189.99 - Original price $189.99
    Original price
    $189.99
    $189.99 - $189.99
    Current price $189.99

    Fits: 2001–2010 Chevy/GMC 2500HD, 3500HD, 2002–2009 Hummer H2 (8 Lug Trucks Only) Important Fitment Info: This package is designed as a direct repl...

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    Original price $189.99 - Original price $189.99
    Original price
    $189.99
    $189.99 - $189.99
    Current price $189.99
  • XDP Custom Fender Cover XD372

    XDP
    Original price $25.95 - Original price $25.95
    Original price
    $25.95
    $25.95 - $25.95
    Current price $25.95

    XDP Model XD372 The XDP Custom Fender Cover XD372 offers the ultimate in paint protection when wrenching on your truck. Manufactured from a high-q...

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    Original price $25.95 - Original price $25.95
    Original price
    $25.95
    $25.95 - $25.95
    Current price $25.95
  • XDP Billet Coolant Block Off Plate XD344

    XDP
    Original price $64.95 - Original price $64.95
    Original price
    $64.95
    $64.95 - $64.95
    Current price $64.95

    XDP Model XD344Put the XDP Billet Coolant Block-Off Plate XD344 in your 2001-2017 GM 6.6L Duramax to permanently eliminate coolant leaks from the r...

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    Original price $64.95 - Original price $64.95
    Original price
    $64.95
    $64.95 - $64.95
    Current price $64.95
  • Smeding Diesel S475 T4 Turbocharger

    Smeding
    Original price $1,150.00 - Original price $1,780.00
    Original price
    $1,150.00
    $1,150.00 - $1,780.00
    Current price $1,150.00

    A hand built Smeding Diesel S475 turbo with a T4 flange for big single and compound setups. Call us to match the housings and fitment to your truck...

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    Original price $1,150.00 - Original price $1,780.00
    Original price
    $1,150.00
    $1,150.00 - $1,780.00
    Current price $1,150.00
  • Smeding Diesel S369 SXE Turbocharger

    Smeding
    Original price $975.00 - Original price $1,265.00
    Original price
    $975.00
    $975.00 - $1,265.00
    Current price $975.00

    A hand built Smeding Diesel S369 SXE turbo. Call us to match the housings and fitment to your truck and power goals.Questions on fitment? Call our ...

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    Original price $975.00 - Original price $1,265.00
    Original price
    $975.00
    $975.00 - $1,265.00
    Current price $975.00
  • Smeding Diesel S366 SXE Turbocharger

    Smeding
    Original price $730.00 - Original price $1,265.00
    Original price
    $730.00
    $730.00 - $1,265.00
    Current price $730.00

    Smeding Diesel S366 SXE Turbocharger. Sold and shipped by Powerhouse Diesel, a diesel repair and performance shop in Knoxville, TN.Questions on fit...

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    Original price $730.00 - Original price $1,265.00
    Original price
    $730.00
    $730.00 - $1,265.00
    Current price $730.00
  • XDP High Output 220 Amp Alternator XD224

    XDP
    Original price $299.95 - Original price $299.95
    Original price
    $299.95
    $299.95 - $299.95
    Current price $299.95

    XDP Model XD224Don't just replace the failing alternator in your 2001-2007 GM 6.6L Duramax, upgrade it with the XDP Direct Replacement High Output ...

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    Original price $299.95 - Original price $299.95
    Original price
    $299.95
    $299.95 - $299.95
    Current price $299.95
  • XDP X-tra Cool Direct-fit Replacement Radiator XD295

    XDP
    Original price $355.95 - Original price $355.95
    Original price
    $355.95
    $355.95 - $355.95
    Current price $355.95

    XDP Model XD295The XDP X-TRA Cool Direct-Fit Replacement Radiator XD295 is an upgrade for the old leaking radiator in your 2001-2005 GM 6.6L Durama...

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    Original price $355.95 - Original price $355.95
    Original price
    $355.95
    $355.95 - $355.95
    Current price $355.95
  • H&S 64mm BorgWarner SX-E Turbo, 1.0 Turbine Housing

    H&S Motorsports
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $1,200.00
    $1,200.00 - $1,200.00
    Current price $1,200.00

    H&S Motorsports Model 565804-10 Applications Universal Description We have performed extensive testing of BorgWarner's new SX-E line of...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $1,200.00
    $1,200.00 - $1,200.00
    Current price $1,200.00
  • BorgWarner S400 SX-E 360 Thrust / 96mm Turbine Service Kit

    BorgWarner
    Original price $131.72
    Original price $131.72 - Original price $131.72
    Original price $131.72
    Current price $105.37
    $105.37 - $105.37
    Current price $105.37

    BorgWarner S400 SX-E 360 Thrust / 96mm Turbine Service Kit. Sold and shipped by Powerhouse Diesel, a diesel repair and performance shop in Knoxvill...

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    Original price $131.72
    Original price $131.72 - Original price $131.72
    Original price $131.72
    Current price $105.37
    $105.37 - $105.37
    Current price $105.37
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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.