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LB7 Duramax Parts

Parts for the LB7 Duramax (2001 to 2004).

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    GM Remanufactured Dragon Fire 85 CP3 Injection Pump For 01-04 6.6L LB7 II Duramax Industrial Injection

    Industrial Injection
    $1,499.95
    $1,499.95 - $1,499.95
    $1,499.95
    $1,454.95
    $1,454.95 - $1,454.95
    $1,454.95

    Industrial Injection Model: 0986437303DFSEThe modified CP3 and CP4 Injection pumps offered by Industrial Injection are a drop in replacement for th...

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    $1,499.95
    $1,499.95 - $1,499.95
    $1,499.95
    $1,454.95
    $1,454.95 - $1,454.95
    $1,454.95
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    XDP Remanufactured LB7 Fuel Injector XD488 For 2001-2004 GM 6.6L Duramax LB7

    XDP
    $207.95 - $207.95
    $207.95
    $207.95 - $207.95
    $207.95

    XDP Model XD488Replace the failed fuel injector on your vehicle with the XDP Remanufactured LB7 Fuel Injector XD488. With more than 30 million fuel...

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    $207.95 - $207.95
    $207.95
    $207.95 - $207.95
    $207.95
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    XDP Connecting Rod Bolt Kit 2001-2010 GM 6.6L Duramax

    XDP
    $209.95 - $209.95
    $209.95
    $209.95 - $209.95
    $209.95

    XDP Model XD3019RBUpgrade the factory connecting rod bolts on your 2001-2010 GM 6.6L Duramax LB7/LLY/LBZ/LMM with the XDP Connecting Rod Bolt Kit X...

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    $209.95 - $209.95
    $209.95
    $209.95 - $209.95
    $209.95
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    OER Series Fuel Injector Line (Cylinders 2 and 7) 2001-2004 GM 6.6L Duramax LB7 XDP Xtreme Diesel Performance

    XDP
    $50.95 - $50.95
    $50.95
    $50.95 - $50.95
    $50.95

    XDP Model XD597The XDP OER Series Fuel Injector Line (Cylinders 2 and 7) XD597 from XDP provides your 2001-2004 GM 6.6L Duramax LB7 with a high-qua...

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    $50.95 - $50.95
    $50.95
    $50.95 - $50.95
    $50.95
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    OER Series Fuel Injector Line (Cylinders 3 and 6) 2001-2004 GM 6.6L Duramax LB7 XDP Xtreme Diesel Performance

    XDP
    $50.95 - $50.95
    $50.95
    $50.95 - $50.95
    $50.95

    XDP Model XD595The XDP OER Series Fuel Injector Line (Cylinders 3 and 6) XD595 from XDP replaces the leaking OEM fuel lines on your 2001-2004 GM 6....

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    $50.95 - $50.95
    $50.95
    $50.95 - $50.95
    $50.95
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    OER Series Fuel Injector Line (Cylinders 1 and 8) 2001-2004 GM 6.6L Duramax LB7 XDP Xtreme Diesel Performance

    XDP
    $50.95 - $50.95
    $50.95
    $50.95 - $50.95
    $50.95

    XDP Model XD594Replace the contaminated or corroded fuel lines on your 2001-2004 GM 6.6L Duramax LB7 with the XDP OER Series Fuel Injector Line (Cy...

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    $50.95 - $50.95
    $50.95
    $50.95 - $50.95
    $50.95
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    OER Series Fuel Injector Line (Cylinders 4 and 5) 2001-2004 GM 6.6L Duramax LB7 XDP Xtreme Diesel Performance

    XDP
    $50.95 - $50.95
    $50.95
    $50.95 - $50.95
    $50.95

    XDP Model XD596The XDP OER Series Fuel Injector Line (Cylinders 4 and 5) XD596 provide your 2001-2004 GM 6.6L Duramax LB7 with high-quality fuel li...

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    $50.95 - $50.95
    $50.95
    $50.95 - $50.95
    $50.95
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    GM H Series Rod Bearing Set For 01-16 Duramax Industrial Injection

    Industrial Injection
    $548.95
    $548.95 - $548.95
    $548.95
    $532.48
    $532.48 - $532.48
    $532.48

    Industrial Injection Model: PDM-CB-1805HC2001-2016 Duramax H Series Rod Bearings (Std .025) Coated Set. These H and HX Clevite bearings were devel...

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    $548.95
    $548.95 - $548.95
    $548.95
    $532.48
    $532.48 - $532.48
    $532.48
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    GM HX Series Main Bearings For 01-16 6.6L Duramax Industrial Injection

    Industrial Injection
    $391.95
    $391.95 - $391.95
    $391.95
    $380.19
    $380.19 - $380.19
    $380.19

    Industrial Injection Model: PDM-MS-2218HXC2001-2016 Duramax Hx Series Main Bearings (Std +.001) Coated. These H and HX Clevite bearings were develo...

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    $391.95
    $391.95 - $391.95
    $391.95
    $380.19
    $380.19 - $380.19
    $380.19
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    GM H Series Main Bearings For 01-16 6.6L Duramax Industrial Injection

    Industrial Injection
    $390.95
    $390.95 - $390.95
    $390.95
    $379.22
    $379.22 - $379.22
    $379.22

    Industrial Injection Model: PDM-MS-2218HC2001-2016 Duramax H Series Main Bearings (Std .025) Coated. These H and HX Clevite bearings were developed...

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    $390.95
    $390.95 - $390.95
    $390.95
    $379.22
    $379.22 - $379.22
    $379.22
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    GM Rocker Arm Spacer Kit For 01-16 Duramax Industrial Injection

    Industrial Injection
    $236.95
    $236.95 - $236.95
    $236.95
    $229.84
    $229.84 - $229.84
    $229.84

    Industrial Injection Model: PDM-07184The Duramax Rocker Spacer Kit was designed to eliminate the factory springs in between the rockers to keep the...

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    $236.95
    $236.95 - $236.95
    $236.95
    $229.84
    $229.84 - $229.84
    $229.84
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    Industrial Injection 01-16 Chevrolet Duramax Grade C Head Gasket (Right Side)

    Industrial Injection
    $86.48 - $86.48
    $86.48
    $86.48 - $86.48
    $86.48

    Industrial Injection 2001 to 2016 Chevrolet Duramax Grade C Head Gasket (Right Side). Sold and shipped by Powerhouse Diesel, a diesel repair and pe...

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    $86.48 - $86.48
    $86.48
    $86.48 - $86.48
    $86.48
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    Alliant Power 01-04.5 Chevrolet GM 6.6L Duramax LB7 Injection Line - Cylinders 4 and 5

    Industrial Injection
    $110.16 - $110.16
    $110.16
    $110.16 - $110.16
    $110.16

    Fits: 2001 to 2004 Chevrolet Silverado 2500 HD; 2001 to 2004 Chevrolet Silverado 3500; 2001 to 2004 GMC Sierra 2500 HD; 2001 to 2004 GMC Sierra 350...

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    $110.16 - $110.16
    $110.16
    $110.16 - $110.16
    $110.16
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    Alliant Power 01-04.5 Chevrolet GM 6.6L Duramax LB7 Injection Line - Cylinders 3 and 6

    Industrial Injection
    $110.16 - $110.16
    $110.16
    $110.16 - $110.16
    $110.16

    Fits: 2001 to 2004 Chevrolet Silverado 2500 HD; 2001 to 2004 Chevrolet Silverado 3500; 2001 to 2004 GMC Sierra 2500 HD; 2001 to 2004 GMC Sierra 350...

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    $110.16 - $110.16
    $110.16
    $110.16 - $110.16
    $110.16
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    Alliant Power 01-04.5 Chevrolet GM 6.6L Duramax LB7 Injection Line - Cylinders 2 and 7

    Industrial Injection
    $110.16 - $110.16
    $110.16
    $110.16 - $110.16
    $110.16

    Fits: 2001 to 2004 Chevrolet Silverado 2500 HD; 2001 to 2004 Chevrolet Silverado 3500; 2001 to 2004 GMC Sierra 2500 HD; 2001 to 2004 GMC Sierra 350...

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    $110.16 - $110.16
    $110.16
    $110.16 - $110.16
    $110.16
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    Alliant Power 01-04.5 Chevrolet GM 6.6L Duramax LB7 Injection Line - Cylinders 1 and 8

    Industrial Injection
    $110.16 - $110.16
    $110.16
    $110.16 - $110.16
    $110.16

    Fits: 2001 to 2004 Chevrolet Silverado 2500 HD; 2001 to 2004 Chevrolet Silverado 3500; 2001 to 2004 GMC Sierra 2500 HD; 2001 to 2004 GMC Sierra 350...

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    $110.16 - $110.16
    $110.16
    $110.16 - $110.16
    $110.16
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    Industrial Injection 01-04 LB7 Duramax Stock Reman Bosch Injectors, Lines & Install Kit

    Industrial Injection
    $2,908.95
    $2,908.95 - $2,908.95
    $2,908.95
    $2,821.68
    $2,821.68 - $2,821.68
    $2,821.68

    Everything to replace the injectors on a 2001 to 2004 LB7 Duramax: 8 Bosch reman injectors, 8 GM high pressure lines, valve cover gaskets, grommets...

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    $2,908.95
    $2,908.95 - $2,908.95
    $2,908.95
    $2,821.68
    $2,821.68 - $2,821.68
    $2,821.68
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    GM Extrude Honed injection Nozzle for 01-04 LB7 6.6L Duramax 39 LPM Industrial Injection

    Industrial Injection
    $118.95
    $118.95 - $118.95
    $118.95
    $115.38
    $115.38 - $115.38
    $115.38

    Industrial Injection Model: 0433175275-R5The Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out ...

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    $118.95
    $118.95 - $118.95
    $118.95
    $115.38
    $115.38 - $115.38
    $115.38
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    GM Extrude Honed injection Nozzle for 01-04 LB7 6.6L Duramax 44 LPM Industrial Injection

    Industrial Injection
    $118.95
    $118.95 - $118.95
    $118.95
    $115.38
    $115.38 - $115.38
    $115.38

    Industrial Injection Model: 0433175275-R6The Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out ...

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    $118.95
    $118.95 - $118.95
    $118.95
    $115.38
    $115.38 - $115.38
    $115.38
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    GM Extrude Honed injection Nozzle for 01-04 LB7 6.6L Duramax 33 LPM Industrial Injection

    Industrial Injection
    $118.95
    $118.95 - $118.95
    $118.95
    $115.38
    $115.38 - $115.38
    $115.38

    Industrial Injection Model: 0433175275-R4The Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out ...

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    $118.95
    $118.95 - $118.95
    $118.95
    $115.38
    $115.38 - $115.38
    $115.38
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    GM Extrude Honed injection Nozzle for 01-04 LB7 6.6L Duramax 31 LPM Industrial Injection

    Industrial Injection
    $85.95
    $85.95 - $85.95
    $85.95
    $83.37
    $83.37 - $83.37
    $83.37

    Industrial Injection Model: 0433175275-R3The Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out ...

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    $85.95
    $85.95 - $85.95
    $85.95
    $83.37
    $83.37 - $83.37
    $83.37
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    GM Extrude Honed injection Nozzle for 01-04 LB7 6.6L Duramax 29 LPM Industrial Injection

    Industrial Injection
    $85.95
    $85.95 - $85.95
    $85.95
    $83.37
    $83.37 - $83.37
    $83.37

    Industrial Injection Model: 0433175275-R2The Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out ...

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    $85.95
    $85.95 - $85.95
    $85.95
    $83.37
    $83.37 - $83.37
    $83.37
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    GM Extrude Honed injection Nozzle for 01-04 LB7 6.6L Duramax 50 LPM Industrial Injection

    Industrial Injection
    $85.95
    $85.95 - $85.95
    $85.95
    $83.37
    $83.37 - $83.37
    $83.37

    Industrial Injection Model: 0433175275DFLYThe Industrial Injection Performance Extrude Honed Nozzles are the pinnacle of what you should expect out...

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    $85.95
    $85.95 - $85.95
    $85.95
    $83.37
    $83.37 - $83.37
    $83.37
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    Gm Injector Screw In Cups For 2001-2004.5 6.6L LB7 Duramax Industrial Injection

    Industrial Injection
    $699.95
    $699.95 - $699.95
    $699.95
    $678.95
    $678.95 - $678.95
    $678.95

    Industrial Injection Model: PDM-07020The factory injector cups are known for leaking, pitting and seizing themselves to the injectors in your LB7. ...

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    $699.95
    $699.95 - $699.95
    $699.95
    $678.95
    $678.95 - $678.95
    $678.95
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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.