Collection: DURAMAX DIESEL PERFORMANCE PARTS
Unlock the Full Potential of Your Duramax with Premium Parts
Maximize your truck’s performance, reliability, and efficiency with our high-performance aftermarket Duramax parts and accessories.
Our selection of Duramax diesel performance parts is perfect for truck drivers who regularly demand more—more power, more torque, and more...
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EXHAUST BRAKE w/STOCK EXHAUST CHEVY DURAMAX 2001-2010
Regular price $1,691.95 USDSale price $1,691.95 USD Regular priceUnit price / per -
Turbo Chevy/GMC 6.6L LB7 Duramax (Non-California Spec) 2001-2004
Regular price $1,386.95 USDSale price $1,386.95 USD Regular priceUnit price / per -
Intercooler Hose & Clamp Kit Chevy LB7 Duramax 2001-2004
Regular price $456.95 USDSale price $456.95 USD Regular priceUnit price / per -
Intercooler Hose & Clamp Kit Chevy LLY Duramax 2004.5-2005
Regular price $397.95 USDSale price $397.95 USD Regular priceUnit price / per -
Intercooler Hose & Clamp Kit Chevy Duramax (Driver's Side) 2006-2010
Regular price $249.95 USDSale price $249.95 USD Regular priceUnit price / per -
DTurbo Boost Control Adjustable Waste Gate Kit Chevy LB7 Duramax 2001-2004
Regular price $240.95 USDSale price $240.95 USD Regular priceUnit price / per -
INJECTOR LINE SET CHEVY/GMC LB7 2001-2004
Regular price $475.95 USDSale price $475.95 USD Regular priceUnit price / per -
INJECTOR INSTALL KIT GMC 6.6L LB7 DURAMAX 2001-2004
Regular price $834.95 USDSale price $834.95 USD Regular priceUnit price / per -
INJECTOR LINE SET CHEVY/GM 6.6L DURAMAX LML 2011-2016
Regular price $309.95 USDSale price $309.95 USD Regular priceUnit price / per -
E-PAS POSITIVE AIR SHUT-OFF CHEVY/GMC 2500HD / 3500HD / 4500HD / 5500HD / 6500HD 6.6L L5P 2017-2023
Regular price $698.95 USDSale price $698.95 USD Regular priceUnit price / per -
ROADMASTER TRANSMISSION & CONVERTER PACKAGE ALLISON GMC/CHEVY SIERRA/SILVERADO 2500HD/3500HD 6.6L DURAMAX 2004.5-2006 4WD
Regular price $4,676.95 USDSale price $4,676.95 USD Regular priceUnit price / per -
High Idle Kit Dodge/RAM 5.9L-6.7L Cummins / Chevy-GMC Duramax
Regular price $328.95 USDSale price $328.95 USD Regular priceUnit price / per -
Screamer Turbo Chevy LML Duramax 2011-2016
Regular price $2,496.95 USDSale price $2,496.95 USD Regular priceUnit price / per -
BD-Built Duramax LLY CR Injector 60hp-90hp Chevy 2004.5-2006 6.6L
Regular price From $456.95 USDSale price From $456.95 USD Regular priceUnit price / per -
BD-Built Duramax LMM CR Injector 60hp-90hp Chevy 2007.5-2010 6.6L
Regular price From $540.95 USDSale price From $540.95 USD Regular priceUnit price / per -
Screamer Turbo Chevy/GM 6.6L L5P Duramax 2017-2023
Regular price $3,918.95 USDSale price $3,918.95 USD Regular priceUnit price / per -
TorqueMaster Chevy Allison Transmission & Converter Package c/w Billet Input,Triple Torque & Controller - 2011-2016 LML 4wd
Regular price $7,236.95 USDSale price $7,236.95 USD Regular priceUnit price / per -
EXHAUST MANIFOLD CHEVY LB7/LLY/LBZ/LMM DURAMAX 2001-2010
Regular price $203.95 USDSale price $203.95 USD Regular priceUnit price / per -
Venom CP3 Conversion Kit c/w Standard Pump - Chevy/GMC Duramax 6.6L 2011-2016 2500/3500
Regular price $1,974.95 USDSale price $1,974.95 USD Regular priceUnit price / per -
High Idle Kit Duramax 2500 HD/3500 HD 2008-2019 & 4500 HD/5500 HD/6500 HD 2019
Regular price $342.95 USDSale price $342.95 USD Regular priceUnit price / per -
Garrett GT3788VA Turbo Exchange c/w Vane Position Sensor Chevy LLY/LBZ/LMM Duramax 2004-2010 (LLY requires sensor adapter)
Regular price $1,539.95 USDSale price $1,539.95 USD Regular priceUnit price / per -
Screamer Turbo Chevy LLY/LBZ/LMM Duramax 2004.5-2010
Regular price $2,274.95 USDSale price $2,274.95 USD Regular priceUnit price / per -
Fleece Performance NSBU Pigtail for 2004.5–2005 GM 2500/3500 Duramax with Allison Transmission
Regular price $69.99 USDSale price $69.99 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 -
Fleece Performance - MAF Sensor Pigtail Repairs for 2011 to 2016 6.6L Duramax
Regular price $29.99 USDSale price $29.99 USD Regular priceUnit price / per -
Fleece Performance Secondary MAP Sensor Spacer for 2024+ L5P Duramax
Regular price $72.44 USDSale price $72.44 USD Regular priceUnit price / per -
No Limit Fabrication Drop-In Factory Replacement Turbocharger for LLY-LMM 6.6L Duramax 2004.5-2010
Regular price From $2,099.00 USDSale price From $2,099.00 USD Regular priceUnit price / per -
No Limit Fabrication GM Duramax 17-23 L5P VGT Turbo
Regular price From $2,399.00 USDSale price From $2,399.00 USD Regular priceUnit price / per
Unlock the Full Potential of Your Duramax with Premium Parts
Maximize your truck’s performance, reliability, and efficiency with our high-performance aftermarket Duramax parts and accessories.
Our selection of Duramax diesel performance parts is perfect for truck drivers who regularly demand more—more power, more torque, and more efficiency. Stop letting factory settings hold you back. Upgrade your rig with high-flow exhaust systems that let the engine breathe, advanced tuners to remap your fuel strategy, and reinforced engine components that know how to handle that extra muscle.
We know your truck is more than just a vehicle; it's a powerhouse that works as hard as you do. That’s why we source only top-tier Duramax accessories that deliver serious gains you can feel with every press of the pedal. Whether you're hauling heavy loads or just want to dominate the highway, our Duramax diesel performance parts provide the raw strength and reliability you need to keep your beast roaring.





















