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LB7 Duramax Parts

Parts for the LB7 Duramax (2001 to 2004).

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    GM Injector Hold Downs For 01-04 LB7 Duramax Billet With ARP Bolts Industrial Injection

    Industrial Injection
    $767.95
    $767.95 - $767.95
    $767.95
    $744.91
    $744.91 - $744.91
    $744.91

    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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    $767.95
    $767.95 - $767.95
    $767.95
    $744.91
    $744.91 - $744.91
    $744.91
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    Industrial Injection 01-04 Chevrolet Genuine OE 6.6L Duramax LB7 R6 100% Over Injector

    Industrial Injection
    $465.95
    $465.95 - $465.95
    $465.95
    $451.97
    $451.97 - $451.97
    $451.97

    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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    $465.95
    $465.95 - $465.95
    $465.95
    $451.97
    $451.97 - $451.97
    $451.97
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    Industrial Injection 01-04 Chevrolet Genuine OE 6.6L Duramax LB7 R5 75% Over Injector

    Industrial Injection
    $429.95
    $429.95 - $429.95
    $429.95
    $417.05
    $417.05 - $417.05
    $417.05

    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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    $429.95
    $429.95 - $429.95
    $429.95
    $417.05
    $417.05 - $417.05
    $417.05
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    Industrial Injection 01-04 Chevrolet Genuine OE 6.6L Duramax LB7 R4 50% Over Injector

    Industrial Injection
    $392.95
    $392.95 - $392.95
    $392.95
    $381.16
    $381.16 - $381.16
    $381.16

    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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    $392.95
    $392.95 - $392.95
    $392.95
    $381.16
    $381.16 - $381.16
    $381.16
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    Industrial Injection 01-04 Chevrolet Genuine OE 6.6L Duramax LB7 R3 40% Over Injector

    Industrial Injection
    $392.95
    $392.95 - $392.95
    $392.95
    $381.16
    $381.16 - $381.16
    $381.16

    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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    $392.95
    $392.95 - $392.95
    $392.95
    $381.16
    $381.16 - $381.16
    $381.16
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    Industrial Injection 01-04 Chevrolet Genuine OE 6.6L Duramax LB7 R2 30% Over Injector

    Industrial Injection
    $374.95
    $374.95 - $374.95
    $374.95
    $363.70
    $363.70 - $363.70
    $363.70

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

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    $374.95
    $374.95 - $374.95
    $374.95
    $363.70
    $363.70 - $363.70
    $363.70
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    GM Remanufactured Modified 42 CP3 Injection Pump For 01-04 6.6L LB7 Duramax Industrial Injection

    Industrial Injection
    $1,399.95
    $1,399.95 - $1,399.95
    $1,399.95
    $1,357.95
    $1,357.95 - $1,357.95
    $1,357.95

    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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    $1,399.95
    $1,399.95 - $1,399.95
    $1,399.95
    $1,357.95
    $1,357.95 - $1,357.95
    $1,357.95
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    GM Remanufactured Modified 42 CP3 Injection Pump For 01-04 6.6L LB7 II Duramax Industrial Injection

    Industrial Injection
    $1,140.95
    $1,140.95 - $1,140.95
    $1,140.95
    $1,106.72
    $1,106.72 - $1,106.72
    $1,106.72

    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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    $1,140.95
    $1,140.95 - $1,140.95
    $1,140.95
    $1,106.72
    $1,106.72 - $1,106.72
    $1,106.72
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    GM Remanufactured Double Dragon 120 CP3 Injection Pump For 01-04 6.6L LB7 II Duramax Industrial Injection

    Industrial Injection
    $1,899.95
    $1,899.95 - $1,899.95
    $1,899.95
    $1,842.95
    $1,842.95 - $1,842.95
    $1,842.95

    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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    $1,899.95
    $1,899.95 - $1,899.95
    $1,899.95
    $1,842.95
    $1,842.95 - $1,842.95
    $1,842.95
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    GM Remanufactured Dragon Fire 85 CP3 Injection Pump For 01-04 6.6L LB7 Duramax Industrial Injection

    Industrial Injection
    $1,749.95
    $1,749.95 - $1,749.95
    $1,749.95
    $1,697.45
    $1,697.45 - $1,697.45
    $1,697.45

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

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    $1,749.95
    $1,749.95 - $1,749.95
    $1,749.95
    $1,697.45
    $1,697.45 - $1,697.45
    $1,697.45
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    GM Rail Plug For 6.6L LB7 Duramax Industrial Injection

    Industrial Injection
    $54.95
    $54.95 - $54.95
    $54.95
    $53.30
    $53.30 - $53.30
    $53.30

    GM Rail Plug For 6.6L LB7 Duramax Industrial Injection. Sold and shipped by Powerhouse Diesel, a diesel repair and performance shop in Knoxville, T...

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    $54.95
    $54.95 - $54.95
    $54.95
    $53.30
    $53.30 - $53.30
    $53.30
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    Industrial Injection 01-04 Chevrolet Duramax LB7 New Dragon Fire 85% CP3 Injection Pump

    Industrial Injection
    $2,096.95
    $2,096.95 - $2,096.95
    $2,096.95
    $2,034.04
    $2,034.04 - $2,034.04
    $2,034.04

    Industrial Injection Model: 0445020017DF New Performance LB7 Duramax 6.6 CP3 Injection Pump Fits: 2001-2004 LB7 Duramax 6.6 Item Type: Bosch LB7 Du...

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    $2,096.95
    $2,096.95 - $2,096.95
    $2,096.95
    $2,034.04
    $2,034.04 - $2,034.04
    $2,034.04
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    Industrial Injection 01-04 Chevrolet Duramax LB7 New Modified Cp3 42% Injection Pump

    Industrial Injection
    $1,876.95
    $1,876.95 - $1,876.95
    $1,876.95
    $1,820.64
    $1,820.64 - $1,820.64
    $1,820.64

    Industrial Injection Model: 0445020017SHO New Performance LB7 Duramax 6.6 CP3 Injection Pump Fits: 2001-2004 LB7 Duramax 6.6 Item Type: Bosch LB7 D...

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    $1,876.95
    $1,876.95 - $1,876.95
    $1,876.95
    $1,820.64
    $1,820.64 - $1,820.64
    $1,820.64
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    GM Remanufactured Double Dragon 120 CP3 Injection Pump For 01-04 6.6L LB7 Duramax Industrial Injection

    Industrial Injection
    $2,099.95
    $2,099.95 - $2,099.95
    $2,099.95
    $2,036.95
    $2,036.95 - $2,036.95
    $2,036.95

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

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    $2,099.95
    $2,099.95 - $2,099.95
    $2,099.95
    $2,036.95
    $2,036.95 - $2,036.95
    $2,036.95
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    GM Injector Line Set For 01-04 6.6L LB7 Duramax Industrial Injection

    Industrial Injection
    $363.95
    $363.95 - $363.95
    $363.95
    $353.03
    $353.03 - $353.03
    $353.03

    Industrial Injection Model: 412501This is a complete set of brand new fuel lines for the 2001-2004 LB7 Duramax. We recommend ordering a set of thes...

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    $363.95
    $363.95 - $363.95
    $363.95
    $353.03
    $353.03 - $353.03
    $353.03
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    Industrial Injection 01-04 Chevrolet Duramax LB7 New Double Dragon 120% CP3 Upgraded Injection Pump

    Industrial Injection
    $2,096.95
    $2,096.95 - $2,096.95
    $2,096.95
    $2,034.04
    $2,034.04 - $2,034.04
    $2,034.04

    Industrial Injection Model: 0445020017DD New Performance LB7 Duramax 6.6 CP3 Injection Pump Fits: 2001-2004 LB7 Duramax 6.6 Item Type: Bosch LB7 Du...

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    $2,096.95
    $2,096.95 - $2,096.95
    $2,096.95
    $2,034.04
    $2,034.04 - $2,034.04
    $2,034.04
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    GM Bag Of Parts For 01-04 LB7 6.6L Duramax Industrial Injection

    Industrial Injection
    $502.95
    $502.95 - $502.95
    $502.95
    $487.86
    $487.86 - $487.86
    $487.86

    Industrial Injection Model: 432403Do it yourself Parts for your stock injection pump. It will gain 19 percent more fuel volume. Industrial Injectio...

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    $502.95
    $502.95 - $502.95
    $502.95
    $487.86
    $487.86 - $487.86
    $487.86
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    XDP Remanufactured CP3 Fuel Pump 2001-2004 GM 6.6L Duramax LB7

    XDP
    $607.95 - $607.95
    $607.95
    $607.95 - $607.95
    $607.95

    XDP Model XD521The Remanufactured CP3 Fuel Pump (Stock Replacement) XD521 replaces the failed or underperforming fuel pump in your 2001-2004 GM 6.6...

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    $607.95 - $607.95
    $607.95
    $607.95 - $607.95
    $607.95
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    XDP Low-Profile Plastic Creeper XD395

    XDP
    $109.95 - $109.95
    $109.95
    $109.95 - $109.95
    $109.95

    XDP Model XD395Low-Profile Plastic Creeper Warranty Info: 2 Year / Unlimited Mileage

    $109.95 - $109.95
    $109.95
    $109.95 - $109.95
    $109.95
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    XDP Billet Aluminum Oil Cap XD477 For 2001-2021 GM 6.6L Duramax

    XDP
    $29.95 - $29.95
    $29.95
    $29.95 - $29.95
    $29.95

    XDP Model XD477Customize the underhood of your 2001-2021 GM 6.6L Duramax when you add the Billet Aluminum Oil Cap XD477. Each cap features a CNC-ma...

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    $29.95 - $29.95
    $29.95
    $29.95 - $29.95
    $29.95
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    XDP Main Stud Kit 2001-2005 GM 6.6L Duramax LB7/LLY

    XDP
    $234.95 - $234.95
    $234.95
    $234.95 - $234.95
    $234.95

    XDP Model XD3007MSThe Main Stud Kit XD3007MS is essential for setting up your 2001-2005 GM 6.6L Duramax LB7/LLY for competition or street use. OEM ...

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    $234.95 - $234.95
    $234.95
    $234.95 - $234.95
    $234.95
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    1.5 Inch Block and U-Bolt Kit 01-10 Chevy/GMC 2500HD Rough Country

    Rough Country
    $79.95 - $79.95
    $79.95
    $79.95 - $79.95
    $79.95

    Has the rear of your vehicle started to sag, or are you looking to add a bit of lift height? Whatever the case maybe we have you covered at Rough C...

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    $79.95 - $79.95
    $79.95
    $79.95 - $79.95
    $79.95
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    HD Forged Tie Rod End 01-10 Chevy/GMC 2500HD Rough Country

    Rough Country
    $249.95 - $249.95
    $249.95
    $249.95 - $249.95
    $249.95

    Don't settle for weak tie rods! You want your steering and suspension to be as strong as the truck you love. That's why you need Rough Country's HD...

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    $249.95 - $249.95
    $249.95
    $249.95 - $249.95
    $249.95
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    Silverado/Sierra 2500 HD V2 Front Shocks Pair 5.5-7 Inch For 01-10 Silverado/Sierra 2500 Rough Country

    Rough Country
    $259.95 - $259.95
    $259.95
    $259.95 - $259.95
    $259.95

    Whether you're tackling tough terrain or smooth city streets, Rough Country's Nitrogen-charged V2 Monotube Shock Absorber leads the way, delivering...

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    $259.95 - $259.95
    $259.95
    $259.95 - $259.95
    $259.95

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.