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LB7 Duramax Parts

Parts for the LB7 Duramax (2001 to 2004).

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    Schaeffer's 0300ULSW Arctic Shield + Winter Diesel Fuel Additive

    Schaeffer's
    $12.30 - $295.20
    $12.30
    $12.30 - $295.20
    $12.30

    Schaeffer's 0300ULSW Arctic Shield + is a concentrated, ashless winter diesel fuel additive built for trucks fighting moisture in the fuel. It prot...

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    $12.30 - $295.20
    $12.30
    $12.30 - $295.20
    $12.30
  • FASS DMAX Flow Enhancer Lift Pump, 2001 to 2010 Chevy and GMC Duramax 6.6 FASS DMAX Flow Enhancer Lift Pump, 2001 to 2010 Chevy and GMC Duramax 6.6 Save 5% Save %

    FASS DMAX Flow Enhancer Lift Pump | 2001 to 2010 Chevy and GMC Duramax 6.6 | DMAX7001

    FASS Fuel Systems
    $483.16
    $483.16 - $483.16
    $483.16
    $459.00
    $459.00 - $459.00
    $459.00

    The FASS DMAX7001 Flow Enhancer is a budget lift pump for the 2001 to 2010 Chevy and GMC 6.6L Duramax. These trucks have no lift pump from the fact...

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    $483.16
    $483.16 - $483.16
    $483.16
    $459.00
    $459.00 - $459.00
    $459.00
    Save 5% Save %
  • Photo - Primary Photo - Primary

    ARP 01-06 6.6L GM Duramax Diesel Flywheel Bolt Kit

    ARP
    $95.75 - $95.75
    $95.75
    $95.75 - $95.75
    $95.75

    Fits: 10 vehicle models, including 2001 to 2012 Chevrolet Silverado 2500 HD; 2001 to 2012 GMC Sierra 2500 HD; 2006 to 2012 Chevrolet Express 2500. ...

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    $95.75 - $95.75
    $95.75
    $95.75 - $95.75
    $95.75
  • Photo - Primary Photo - Primary

    ARP 01-10 6.6L GM Duramax Diesel Flexplate Bolt Kit

    ARP
    $97.98 - $97.98
    $97.98
    $97.98 - $97.98
    $97.98

    Fits: 10 vehicle models, including 2001 to 2012 Chevrolet Silverado 2500 HD; 2001 to 2012 GMC Sierra 2500 HD; 2006 to 2012 Chevrolet Express 2500. ...

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    $97.98 - $97.98
    $97.98
    $97.98 - $97.98
    $97.98
  • Photo - Unmounted Photo - Primary Save 20% Save %

    afe Twisted Steel Up-Pipe GM Diesel Trucks 01-04 V8-6.6L (td) LB7

    aFe
    $937.50
    $937.50 - $937.50
    $937.50
    $750.00
    $750.00 - $750.00
    $750.00

    aFe Model 48-34009Construction: These unique up pipes are constructed of 2" mandrel-bent 304 stainless steel tubing with a .120" wall for strength ...

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    $937.50
    $937.50 - $937.50
    $937.50
    $750.00
    $750.00 - $750.00
    $750.00
    Save 20% Save %
  • Photo - Unmounted Photo - Primary Save 20% Save %

    afe aFe POWER Engine Oil Pan GM Diesel Trucks 01-10 V8-6.6L (td) LB7/LLY/LBZ/LMM

    aFe
    $442.50
    $442.50 - $442.50
    $442.50
    $354.00
    $354.00 - $354.00
    $354.00

    aFe Model 46-71070AaFe Power oil pans are constructed out of durable cast aluminum with machined fins for maximum strength and styling. This cover ...

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    $442.50
    $442.50 - $442.50
    $442.50
    $354.00
    $354.00 - $354.00
    $354.00
    Save 20% Save %
  • Technical Drawing Photo - Primary Save 20% Save %

    afe aFe POWER Differential Cover GM Trucks 99-13

    aFe
    $372.50
    $372.50 - $372.50
    $372.50
    $298.00
    $298.00 - $298.00
    $298.00

    aFe Model 46-70370aFe Power's new rear differential cover brings performance engineering to the protection of your axle's differential. This differ...

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    $372.50
    $372.50 - $372.50
    $372.50
    $298.00
    $298.00 - $298.00
    $298.00
    Save 20% Save %
  • Photo - Primary Photo - Primary

    ARP 05 & Earlier Chevy Duramax Diesel LB7/LLY Main Stud Kit

    ARP
    $307.28 - $307.28
    $307.28
    $307.28 - $307.28
    $307.28

    ARP 05 & Earlier Chevy Duramax Diesel LB7/LLY Main Stud Kit. Sold and shipped by Powerhouse Diesel, a diesel repair and performance shop in Kno...

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    $307.28 - $307.28
    $307.28
    $307.28 - $307.28
    $307.28
  • User 1 Photo - Primary Save 9% Save %

    Mishimoto Steel Spiked Lug Nuts M14 x 1.5 32pc Set Red

    Mishimoto
    $122.00
    $122.00 - $122.00
    $122.00
    $110.95
    $110.95 - $110.95
    $110.95

    Mishimoto Model MMLG-SP1415-32RD The details matter when you're building your dream car. Every bolt is meticulously chosen for not only function, b...

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    $122.00
    $122.00 - $122.00
    $122.00
    $110.95
    $110.95 - $110.95
    $110.95
    Save 9% Save %
  • User 1 Photo - Primary Save 9% Save %

    Mishimoto Steel Spiked Lug Nuts M14 x 1.5 32pc Set Gold

    Mishimoto
    $122.00
    $122.00 - $122.00
    $122.00
    $110.95
    $110.95 - $110.95
    $110.95

    Mishimoto Model MMLG-SP1415-32GDThe details matter when you're building your dream car. Every bolt is meticulously chosen for not only function, bu...

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    $122.00
    $122.00 - $122.00
    $122.00
    $110.95
    $110.95 - $110.95
    $110.95
    Save 9% Save %
  • User 1 Photo - Primary Save 9% Save %

    Mishimoto Steel Spiked Lug Nuts M14 x 1.5 32pc Set Chrome

    Mishimoto
    $115.00
    $115.00 - $115.00
    $115.00
    $104.95
    $104.95 - $104.95
    $104.95

    Mishimoto Model MMLG-SP1415-32CH The details matter when you're building your dream car. Every bolt is meticulously chosen for not only function, b...

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    $115.00
    $115.00 - $115.00
    $115.00
    $104.95
    $104.95 - $104.95
    $104.95
    Save 9% Save %
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    Wehrli Big Hitch Products Clamp On Sled Stops - BELOW Roll Pan

    Wehrli
    $0.00 - $0.00
    $0.00
    $270.00
    $270.00 - $270.00
    $270.00

    Wehrli Big Hitch Products Model BHP3000 - Protect your trucks sheet metal from damage- Clamps to any of our BELOW roll pan receiver hitches- All ne...

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    $0.00 - $0.00
    $0.00
    $270.00
    $270.00 - $270.00
    $270.00
  • responsive-image responsive-image

    Stock+ Power Steering Gearbox 2001-2007 GM 2500/3500HD XDP Xtreme Diesel Performance

    XDP
    $837.95 - $837.95
    $837.95
    $837.95 - $837.95
    $837.95

    Restore the steering in your Chevy Silverado or GMC Sierra 2500HD/3500HD with the XDP Stock+ Power Steering Gearbox (New) XD749. The most common ca...

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    $837.95 - $837.95
    $837.95
    $837.95 - $837.95
    $837.95
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    Performance Balancer Series - Diesel Performance Harmonic Balancer 01-05 GM 6.6L Duramax LB7/LLY XDP Xtreme Diesel Performance

    XDP
    $676.95 - $676.95
    $676.95
    $676.95 - $676.95
    $676.95

    Upgrade your high-performance GM 6.6L Duramax LML/LGH with XDP Performance Balancer Series - Diesel Performance Harmonic Balancer XD722. High-perfo...

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    $676.95 - $676.95
    $676.95
    $676.95 - $676.95
    $676.95
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    Premium Balancer Series - Stock Replacement Harmonic Balancer 01-05 GM 6.6L Duramax LB7/LLY XDP Xtreme Diesel Performance

    XDP
    $464.95 - $464.95
    $464.95
    $464.95 - $464.95
    $464.95

    The XDP Premium Balancer Series - Stock Replacement Harmonic Balancer XD709 is an ideal replacement for the worn harmonic balancer on your GM 6.6L ...

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    $464.95 - $464.95
    $464.95
    $464.95 - $464.95
    $464.95
  • User 1 User 1

    USA Standard 01-06 Chevrolet Silverado 2500 HD NV4500 Manual Transmission 3rd Gear (29-Tooth)

    Yukon Gear & Axle
    $136.84 - $136.84
    $136.84
    $136.84 - $136.84
    $136.84

    Yukon Gear & Axle Model ZMNV23712USA Standard Gear manufactures a full line of top-quality transmission parts. You can count on USA Standard Ge...

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    $136.84 - $136.84
    $136.84
    $136.84 - $136.84
    $136.84
  • User 1 User 1

    Fleece Performance 01-04 GM 2500/3500 Duramax (w/Allison Transmission) NSBU Pigtails

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $79.99
    $79.99 - $79.99
    $79.99

    Fleece Performance Model FPE-HAR-GM-NSBU-0104Fleece Performance 01-04 GM 2500/3500 Duramax (w/Allison Transmission) NSBU Pigtails Replacement NSBU ...

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    $0.00 - $0.00
    $0.00
    $79.99
    $79.99 - $79.99
    $79.99
  • WeatherTech 1988-1998 Chevrolet C/K Series Pickup Extended Cab Techshade Full Vehicle Kit. WeatherTech 1988-1998 Chevrolet C/K Series Pickup Extended Cab Techshade Full Vehicle Kit.

    WeatherTech TechShade Full Vehicle Kit Extended Cab for 1988 to 1998 Chevy C K Series

    WeatherTech
    $199.95 - $199.95
    $199.95
    $199.95 - $199.95
    $199.95

    WeatherTech Model TS1191K2WeatherTech SunShade Full Vehicle Kits help keep your entire vehicle's interior temperatures down while protecting it fro...

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    $199.95 - $199.95
    $199.95
    $199.95 - $199.95
    $199.95
  • WeatherTech 99-02 GMC Sierra Classic / Chevrolet Silverado Classic TechShade. WeatherTech 99-02 GMC Sierra Classic / Chevrolet Silverado Classic TechShade.

    WeatherTech TechShade for 1999 to 2002 GMC Sierra Classic Chevy Silverado Classic

    WeatherTech
    $73.95 - $73.95
    $73.95
    $73.95 - $73.95
    $73.95

    WeatherTech Model TS1191Custom fit and perfect for any season, the SunShade can keep your vehicle cool in the summer and help prevent frost build u...

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    $73.95 - $73.95
    $73.95
    $73.95 - $73.95
    $73.95
  • aFe BladeRunner OER Series Radiator 01-05 GM Diesel Trucks 01-05 V8-6.6L (td) LBZ/LMM. aFe BladeRunner OER Series Radiator 01-05 GM Diesel Trucks 01-05 V8-6.6L (td) LBZ/LMM. Save 20% Save %

    aFe BladeRunner OER Series Radiator 01-05 GM Diesel Trucks 01-06 V8-6.6L (td) LBZ/LMM

    aFe
    $518.75
    $518.75 - $518.75
    $518.75
    $415.00
    $415.00 - $415.00
    $415.00

    aFe Model 46-53031aFe POWER BladeRunner OER Series Radiators are designed and manufactured to be a perfect replacement for your aging or damaged, s...

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    $518.75
    $518.75 - $518.75
    $518.75
    $415.00
    $415.00 - $415.00
    $415.00
    Save 20% Save %
  • aFe POWER GM Diesel Trucks 01-10 V8-6.6L (td) Pro Series Engine Oil Pan Black w/ Machined Fins. aFe POWER GM Diesel Trucks 01-10 V8-6.6L (td) Pro Series Engine Oil Pan Black w/ Machined Fins. Save 20% Save %

    aFe POWER GM Diesel Trucks 01-10 V8-6.6L (td) Pro Series Engine Oil Pan Black w/ Machined Fins

    aFe
    $477.50
    $477.50 - $477.50
    $477.50
    $382.00
    $382.00 - $382.00
    $382.00

    aFe Model 46-71070BaFe Power's new engine oil pan brings performance engineering to the protection of your GM Silverado/Sierra HD with Duramax turb...

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    $477.50
    $477.50 - $477.50
    $477.50
    $382.00
    $382.00 - $382.00
    $382.00
    Save 20% Save %
  • XDP Flex Plate Bolt Kit XD656. XDP Flex Plate Bolt Kit XD656.

    XDP Flex Plate Bolt Kit XD656

    XDP
    $74.95 - $74.95
    $74.95
    $74.95 - $74.95
    $74.95

    XDP Model XD656 XDP Flex Plate Bolt Kit XD656

    $74.95 - $74.95
    $74.95
    $74.95 - $74.95
    $74.95
  • S&S Diesel Motorsport Duramax LB7 Injectors (2001-2004) - Set. S&S Diesel Motorsport Duramax LB7 Injectors (2001-2004) - Set.

    S&S Injectors, 30% Over and Up, Reman or New Set of 8 | 2001 to 2004 LB7 Duramax

    S&S
    $3,432.00 - $7,672.00
    $3,432.00
    $3,432.00 - $7,672.00
    $3,432.00

    A matched set of 8 S&S injectors for the 2001 to 2004 LB7 Duramax. You pick the size. S&S builds the set, then flow matches it so every cyl...

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    $3,432.00 - $7,672.00
    $3,432.00
    $3,432.00 - $7,672.00
    $3,432.00
    Select Options
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    Wehrli 01-10 GM Lower Splash Shield Kit

    Wehrli
    $0.00 - $0.00
    $0.00
    $290.03
    $290.03 - $290.03
    $290.03

    Wehrli Model WCF100463 The WCFab Splash Shield Kit for 2001-2010 Chevrolet Silverado 2500/3500 HD and GMC Sierra/Denali 2500/3500 HD trucks replace...

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    $0.00 - $0.00
    $0.00
    $290.03
    $290.03 - $290.03
    $290.03
    Select Options

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.