Collection: 2001-2004 6.6L LB7 DURAMAX
Unleash LB7 Duramax with Performance Upgrades from Tameless Performance!
We offers a wide range of parts to boost your LB7 Duramax's power, torque, and horsepower, leaving competitors in the dust. Increase your 2001-2004 LB7 Duramax performance while potentially improving fuel efficiency with these upgrades:
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Exhaust Brake Push/Pull Switch Kit 5/8 Shift Lever
Regular price $80.95 USDSale price $80.95 USD Regular priceUnit price / per -
Transmission Filter Service Kit Chevy Allison 1000 2001-2016
Regular price $46.95 USDSale price $46.95 USD Regular priceUnit price / per -
EXHAUST MANIFOLD CHEVY LB7/LLY/LBZ/LMM DURAMAX 2001-2010
Regular price $196.95 USDSale price $196.95 USD Regular priceUnit price / per -
Exhaust Brake - Universal Install
Regular price From $1,485.95 USDSale price From $1,485.95 USD Regular priceUnit price / per -
Fleece Performance NSBU Pigtail for 2001–2004 GM 2500/3500 Duramax with Allison Transmission
Regular price $79.99 USDSale price $79.99 USD Regular priceUnit price / per -
Husky Liners 55101 MudDog Rubber Rear Mud Flaps With Weight– 12"
Regular price $119.95 USDSale price $119.95 USD Regular priceUnit price / per -
Fleece Performance Heated Seat Module Pigtail
Regular price $59.84 USDSale price $59.84 USD Regular priceUnit price / per -
SSBC A187-4 Tri-Power 3-Piston Front Brake Caliper Upgrade Kit Duramax 2001-2006
Regular price From $1,083.00 USDSale price From $1,083.00 USD Regular priceUnit price / per -
Retrax PRO MX Manual Retractable Tonneau Cover Duramax 2001-2007
Regular price From $2,349.99 USDSale price From $2,349.99 USD Regular priceUnit price / per -
Retrax PowertraxPRO MX Electric Retractable Tonneau Cover Chevrolet Duramax 2001-2007
Regular price From $2,899.99 USDSale price From $2,899.99 USD Regular priceUnit price / per -
ATS Allison LCT1000 Transmission Package 4WD 2001-2019 6.6L LB7 LLY LMM LML L5P Duramax
Regular price From $5,363.95 USDSale price From $5,363.95 USD Regular priceUnit price / per -
Exergy Performance 2001-2004 LB7 Duramax Remanufactured Fuel Injectors – Set of 8
Regular price From $2,528.00 USDSale price From $2,528.00 USD Regular priceUnit price / per -
Exergy Performance 2001-2004 LB7 Duramax Remanufactured SAC Fuel Injectors w/Internal Modifications – Set of 8
Regular price From $3,896.00 USDSale price From $3,896.00 USD Regular priceUnit price / per -
Exergy Performance 2001-2004 LB7 Duramax Pressure Relief Valve
Regular price From $240.00 USDSale price From $240.00 USD Regular priceUnit price / per -
Exergy Performance 2001-2004 LB7 Duramax Sportsman CP3 Pump
Regular price $1,270.00 USDSale price $1,270.00 USD Regular priceUnit price / per -
Exergy Performance 2001-2004 LB7 Duramax Rail Pressure Sensor
Regular price $229.00 USDSale price $229.00 USD Regular priceUnit price / per -
Exergy Performance 2001-2004 LB7 Duramax Fuel Injector Line Set (Per Side)
Regular price $396.00 USDSale price $396.00 USD Regular priceUnit price / per -
Exergy Performance 2001-2004 LB7 Duramax 14mm Stroker CP3 Pump
Regular price $3,200.00 USDSale price $3,200.00 USD Regular priceUnit price / per -
Exergy Performance 2001-2004 LB7 Duramax 12mm Stroker CP3 Pump
Regular price $2,650.00 USDSale price $2,650.00 USD Regular priceUnit price / per -
Exergy Performance 2001-2004 LB7 Duramax 10mm Stroker CP3 Pump
Regular price $2,150.00 USDSale price $2,150.00 USD Regular priceUnit price / per -
Exergy Performance 0-2700 Bar (39,100 PSI) Rail Pressure Sensor with Connector
Regular price $300.00 USDSale price $300.00 USD Regular priceUnit price / per -
Exergy Performance 0-2400 Bar (34,800 PSI) Rail Pressure Sensor
Regular price $280.00 USDSale price $280.00 USD Regular priceUnit price / per -
Exergy Performance 0-2000 Bar (29,000 PSI) Rail Pressure Sensor
Regular price $240.00 USDSale price $240.00 USD Regular priceUnit price / per -
S&S Diesel Injector Nozzles for Duramax LB7 2001-2004
Regular price From $1,176.00 USDSale price From $1,176.00 USD Regular priceUnit price / per -
S&S Diesel CP3 Fuel Injection Pump for 2001-2024 Chevy/GMC 6.6L Duramax
Regular price From $950.00 USDSale price From $950.00 USD Regular priceUnit price / per -
MAHLE 41909 Complete Piston Ring Set (Standard) for Chevy/GMC 6.6L Duramax Engines 2001-2010
Regular price $230.47 USDSale price $230.47 USD Regular priceUnit price / per -
MAHLE 224-3451 Left Bank Piston for 2001-2005 GM 6.6L LB7 Duramax
Regular price $456.46 USDSale price $456.46 USD Regular priceUnit price / per -
MAHLE Right Bank Piston for 2001-2005 GM 6.6L LB7 Duramax
Regular price $456.46 USDSale price $456.46 USD Regular priceUnit price / per
Unleash LB7 Duramax with Performance Upgrades from Tameless Performance!
We offers a wide range of parts to boost your LB7 Duramax's power, torque, and horsepower, leaving competitors in the dust. Increase your 2001-2004 LB7 Duramax performance while potentially improving fuel efficiency with these upgrades:
- Air Intake & Filters: Upgraded air intake systems can improve airflow and increase your power output! Check out performance Intakes by S&B Filters
- Fuel System: Performance upgrades like injectors and fuel pumps can optimize fuel delivery and contribute to increased power and efficiency. Fuel Lift Pumps by Fass Fuel, Performance Injectors and Pumps by S&S Diesel, and CP3 Injection Pumps from Fleece Performance.
- Exhaust System: Performance exhaust systems can improve exhaust flow and potentially unlock additional horsepower [Tameless Performance].
- Engine & Components: This section might include performance parts like turbochargers, engine internals, and programmers to further enhance your engine's capabilities [Tameless Performance].
- Drivetrain & Differentials: Upgraded clutches, torque converters, and differentials can handle the increased power and improve overall driving experience [Tameless Performance].
- Transmission: Performance transmissions or upgraded components can optimize power transfer and improve handling of increased torque [Tameless Performance].













