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LB7 Duramax Parts

Parts for the LB7 Duramax (2001 to 2004).

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    GM Race Camshaft For 01-16 Duramax Alternate Firing Billet Stage 1 With Key Industrial Injection

    Industrial Injection
    $1,814.95
    $1,814.95 - $1,814.95
    $1,814.95
    $1,760.50
    $1,760.50 - $1,760.50
    $1,760.50

    Industrial Injection Model: PDM-DMXAFS1Duramax Alternate Firing Billet Race Camshaft w/ Key Features: 1000+hp Capable Alternate Firing Order (rel...

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    $1,814.95
    $1,814.95 - $1,814.95
    $1,814.95
    $1,760.50
    $1,760.50 - $1,760.50
    $1,760.50
    Save 3% Save %
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    ACDelco Speed Sensor 19300584 For 2001 to 2007 Classic Chevy/GMC 2500HD/3500HD Trucks

    Kryptonite
    $69.34 - $69.34
    $69.34
    $69.34 - $69.34
    $69.34

    Fits; 2001-2007 Classic Body 2500HD 3500HD Truck DESRIPTION Replacement ABS Wheel Speed sensor for front wheel hub assembly on 2001-2007 model...

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    $69.34 - $69.34
    $69.34
    $69.34 - $69.34
    $69.34
  • 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
    $804.99 - $804.99
    $804.99
    $804.99 - $804.99
    $804.99

    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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    $804.99 - $804.99
    $804.99
    $804.99 - $804.99
    $804.99
  • aFe MagnumFLOW Air Filters OER P5R A/F P5R GM Trucks 01-05 V8-6.6L (td). aFe MagnumFLOW Air Filters OER P5R A/F P5R GM Trucks 01-05 V8-6.6L (td). Save 20% Save %

    aFe MagnumFLOW Air Filters OER P5R A/F P5R GM Trucks 01-05 V8-6.6L (td)

    aFe
    $133.75
    $133.75 - $133.75
    $133.75
    $107.00
    $107.00 - $107.00
    $107.00

    Constructed with 100-percent polyurethane boxed frame, this high flow, oiled OE replacement performance filter will outflow the stock filter for im...

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    $133.75
    $133.75 - $133.75
    $133.75
    $107.00
    $107.00 - $107.00
    $107.00
    Save 20% Save %
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    Edge Products 85401-201 Evolution CTS3 (california Edition - Duramax)

    Edge
    $849.95 - $849.95
    $849.95
    $849.95 - $849.95
    $849.95

    Edge Model 85401-201The Edge Products 85401-201 Evolution CTS3 (California Edition - Duramax) is a great way to add power and efficiency to your 20...

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    $849.95 - $849.95
    $849.95
    $849.95 - $849.95
    $849.95
  • S&S Diesel Motorsport Duramax 10mm CP3 High Speed (1,325 mm3 /rev displacement)- NEW. S&S Diesel Motorsport Duramax 12mm CP3 High Speed WITH SP300.

    S&S 14mm High Speed CP3 Pump with SP3000 Supply Pump | 2001 to 2010 Duramax

    S&S
    $4,035.00 - $4,035.00
    $4,035.00
    $4,035.00 - $4,035.00
    $4,035.00

    An S&S 14mm High Speed CP3 injection pump for the 2001 to 2010 Duramax, with the SP3000 mechanical supply pump. The 14mm stroke gives it 1,850 ...

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    $4,035.00 - $4,035.00
    $4,035.00
    $4,035.00 - $4,035.00
    $4,035.00
  • S&S Diesel Motorsport Duramax 10mm CP3 (1,325 mm3 /rev displacement) New. S&S Diesel Motorsport Duramax 10mm CP3 High Speed (1,325 mm3 /rev displacement)- NEW.

    S&S 14mm High Speed CP3 Pump | 2001 to 2010 Duramax

    S&S
    $3,035.00 - $3,035.00
    $3,035.00
    $3,035.00 - $3,035.00
    $3,035.00

    An S&S 14mm High Speed CP3 injection pump for the 2001 to 2010 Duramax. The 14mm stroke gives it 1,850 mm3 of displacement per revolution, the ...

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    $3,035.00 - $3,035.00
    $3,035.00
    $3,035.00 - $3,035.00
    $3,035.00
  • S&S Diesel Motorsport Duramax 10mm CP3 (1,325 mm3 /rev displacement) New. S&S Diesel Motorsport Duramax 14mm CP3 (1,850 mm3 /rev displacement) - New.

    S&S 14mm CP3 Pump | 2001 to 2010 Duramax

    S&S
    $2,934.00 - $2,934.00
    $2,934.00
    $2,934.00 - $2,934.00
    $2,934.00

    An S&S 14mm CP3 injection pump for the 2001 to 2010 Duramax. The 14mm stroke gives it 1,850 mm3 of displacement per revolution. S&S builds ...

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    $2,934.00 - $2,934.00
    $2,934.00
    $2,934.00 - $2,934.00
    $2,934.00
  • S&S Diesel Motorsport Duramax 10mm CP3 High Speed (1,325 mm3 /rev displacement)- NEW. S&S Diesel Motorsport Duramax 12mm CP3 High Speed WITH SP300.

    S&S 12mm High Speed CP3 Pump with SP3000 Supply Pump | 2001 to 2010 Duramax

    S&S
    $3,742.00 - $3,742.00
    $3,742.00
    $3,742.00 - $3,742.00
    $3,742.00

    An S&S 12mm High Speed CP3 injection pump for the 2001 to 2010 Duramax, with the SP3000 mechanical supply pump. The 12mm stroke gives it 1,590 ...

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    $3,742.00 - $3,742.00
    $3,742.00
    $3,742.00 - $3,742.00
    $3,742.00
  • S&S Diesel Motorsport Duramax 10mm CP3 (1,325 mm3 /rev displacement) New. S&S Diesel Motorsport Duramax 10mm CP3 (1,325 mm3 /rev displacement) New.

    S&S 10mm CP3 Pump | 2001 to 2010 Duramax

    S&S
    $2,143.00 - $2,143.00
    $2,143.00
    $2,143.00 - $2,143.00
    $2,143.00

    An S&S 10mm CP3 injection pump for the 2001 to 2010 Duramax. The 10mm stroke gives it 1,325 mm3 of displacement per revolution. S&S builds ...

    View full details
    $2,143.00 - $2,143.00
    $2,143.00
    $2,143.00 - $2,143.00
    $2,143.00
  • S&S Diesel Motorsport Duramax 10mm CP3 (1,325 mm3 /rev displacement) New. S&S Diesel Motorsport Duramax 10mm CP3 High Speed (1,325 mm3 /rev displacement)- NEW.

    S&S 10mm High Speed CP3 Pump | 2001 to 2010 Duramax

    S&S
    $2,344.00 - $2,344.00
    $2,344.00
    $2,344.00 - $2,344.00
    $2,344.00

    An S&S 10mm High Speed CP3 injection pump for the 2001 to 2010 Duramax. The 10mm stroke gives it 1,325 mm3 of displacement per revolution. The ...

    View full details
    $2,344.00 - $2,344.00
    $2,344.00
    $2,344.00 - $2,344.00
    $2,344.00
  • S&S Diesel Motorsport LB7 TorqueMaster Injector - Reman or New Set. S&S Diesel Motorsport LB7 TorqueMaster Injector - Reman or New Set.

    S&S TorqueMaster Injectors, Reman or New Set of 8 | 2001 to 2004 LB7 Duramax

    S&S
    $2,352.00 - $2,656.00
    $2,352.00
    $2,352.00 - $2,656.00
    $2,352.00

    A set of 8 S&S TorqueMaster injectors for the 2001 to 2004 LB7 Duramax. TorqueMaster is the first size in the S&S lineup, below the 30% ove...

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    $2,352.00 - $2,656.00
    $2,352.00
    $2,352.00 - $2,656.00
    $2,352.00
    Select Options
  • S&S Diesel Motorsport CP3 Metering Unit / FCA - Cummins 6.7L. S&S Diesel Motorsport CP3 Metering Unit / FCA - Cummins 6.7L.

    S&S CP3 Metering Unit (FCA) | LB7 Duramax

    S&S
    $216.00 - $216.00
    $216.00
    $216.00 - $216.00
    $216.00

    The metering unit for the CP3 on the LB7 Duramax, from S&S. You will also hear it called the FCA, fuel control actuator or MPROP. It controls h...

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    $216.00 - $216.00
    $216.00
    $216.00 - $216.00
    $216.00
  • S&S Diesel Motorsport Rail Cap - M14x1.5 - LB7/LLY/5.9C/6.7F. S&S Diesel Motorsport Rail Cap - M14x1.5 - LB7/LLY/5.9C/6.7F.

    S&S Rail Cap, M14x1.5 | LB7, LLY, 5.9 Cummins, 6.7 Powerstroke

    S&S
    $30.00 - $30.00
    $30.00
    $30.00 - $30.00
    $30.00

    An S&S cap for an unused M14x1.5 port on the fuel rail. Use it to close off a rail port you are not running a line to. Thread: M14x1.5. Fits...

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    $30.00 - $30.00
    $30.00
    $30.00 - $30.00
    $30.00
  • S&S Diesel Motorsport DBV4 Single Stage Relief Valve Innternal Return LLY/LBZ/LMM, 6.7 Style - 2700bar. S&S Diesel Motorsport DBV4 Single Stage Relief Valve Innternal Return LLY/LBZ/LMM, 6.7 Style - 2700bar.

    S&S Single Stage Relief Valve, External Return, 2400 Bar | LB7 and 5.9 Cummins Style

    S&S
    $299.00 - $299.00
    $299.00
    $299.00 - $299.00
    $299.00

    An S&S single stage rail pressure relief valve with external return, set at 2400 bar. This is the valve style used on the LB7 Duramax and 5.9 C...

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    $299.00 - $299.00
    $299.00
    $299.00 - $299.00
    $299.00
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    S&S SAC Nozzle Set, 30% to 100% Over | 2001 to 2004 LB7 Duramax

    S&S
    $1,176.00 - $1,913.00
    $1,176.00
    $1,176.00 - $1,913.00
    $1,176.00

    A set of 8 S&S SAC nozzles for 2001 to 2004 LB7 Duramax injectors, in 30, 45, 65, 80 and 100% over stock. Nozzles are how you add fuel when you...

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    $1,176.00 - $1,913.00
    $1,176.00
    $1,176.00 - $1,913.00
    $1,176.00
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    Yukon Gear Thrust Washer Kit For GM 7.2in IFS Stub Shaft

    Yukon Gear & Axle
    $49.89 - $49.89
    $49.89
    $49.89 - $49.89
    $49.89

    Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts...

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    $49.89 - $49.89
    $49.89
    $49.89 - $49.89
    $49.89
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    Yukon Gear Ring and Pinion Gear Set 7.2in GM 4.56 ratio

    Yukon Gear & Axle
    $495.81 - $495.81
    $495.81
    $495.81 - $495.81
    $495.81

    Yukon Gear & Axle high performance ring & pinions set the standard for quality. Yukon Engineers use state-of-the art design & testing p...

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    $495.81 - $495.81
    $495.81
    $495.81 - $495.81
    $495.81
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    Yukon High Performance Yukon Ring & Pinion Gear Set for GM IFS 7.2in S10 & S15 In A 4.11 Ratio

    Yukon Gear & Axle
    $580.89 - $580.89
    $580.89
    $580.89 - $580.89
    $580.89

    Yukon Gear & Axle high performance ring & pinions set the standard for quality. Yukon Engineers use state-of-the art design & testing p...

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    $580.89 - $580.89
    $580.89
    $580.89 - $580.89
    $580.89
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    Yukon Gear High Performance Gear Set For GM IFS 7.2in (S10 & S15) in a 3.73 Ratio

    Yukon Gear & Axle
    $575.29 - $575.29
    $575.29
    $575.29 - $575.29
    $575.29

    Yukon Gear & Axle high performance ring & pinions set the standard for quality. Yukon Engineers use state-of-the art design & testing p...

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    $575.29 - $575.29
    $575.29
    $575.29 - $575.29
    $575.29
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    Yukon Gear High Performance Gear Set For GM IFS 7.2in (S10 & S15) in a 3.42 Ratio

    Yukon Gear & Axle
    $575.29 - $575.29
    $575.29
    $575.29 - $575.29
    $575.29

    Yukon Gear & Axle high performance ring & pinions set the standard for quality. Yukon Engineers use state-of-the art design & testing p...

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    $575.29 - $575.29
    $575.29
    $575.29 - $575.29
    $575.29
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    Yukon Gear Yoke For GM 7.2in

    Yukon Gear & Axle
    $166.89 - $166.89
    $166.89
    $166.89 - $166.89
    $166.89

    Yukon Gear and Axle manufactures a complete line of general replacement and performance series of pinion yokes for many street, racing, and heavy-d...

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    $166.89 - $166.89
    $166.89
    $166.89 - $166.89
    $166.89
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    Yukon Gear Standard Open Spider Gear Kit For GM 7.2in S10 and S15 IFS

    Yukon Gear & Axle
    $248.89 - $248.89
    $248.89
    $248.89 - $248.89
    $248.89

    Yukon standard open spider gear kit for GM 7.2" S10 and S15 IFS. Yukon uses higher quality materials and better techniques than OEM to ensure a lon...

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    $248.89 - $248.89
    $248.89
    $248.89 - $248.89
    $248.89
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    Yukon Gear Minor install Kit For GM 83-97 7.2in IFS Diff

    Yukon Gear & Axle
    $40.89 - $40.89
    $40.89
    $40.89 - $40.89
    $40.89

    Yukon Minimum installation kits are a low cost solution for gear changes in newer vehicles where the bearings can be reused. This kit uses all high...

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    $40.89 - $40.89
    $40.89
    $40.89 - $40.89
    $40.89

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.