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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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 -
S&S Diesel High-Performance Injectors for 2017+ Chevy/GMC L5P Duramax
Regular price From $3,707.60 USDSale price From $3,707.60 USD Regular priceUnit price / per -
S&S Diesel High-Performance Injectors for 2011-2016 Chevy/GMC LML Duramax
Regular price From $2,610.40 USDSale price From $2,610.40 USD Regular priceUnit price / per -
S&S Diesel High-Performance Injectors for 2006-2007 Chevy/GMC LBZ Duramax
Regular price From $3,340.00 USDSale price From $3,340.00 USD Regular priceUnit price / per -
S&S Diesel High-Performance Injectors for 2007.5-2010 Chevy/GMC LMM Duramax
Regular price From $3,380.00 USDSale price From $3,380.00 USD Regular priceUnit price / per -
S&S Diesel High-Performance Injectors for 2001-2004 Chevy/GMC LB7 Duramax
Regular price From $1,968.00 USDSale price From $1,968.00 USD Regular priceUnit price / per -
S&S Diesel CP3 Conversion Kit for 2017-2024 GM 6.6L Duramax L5P
Regular price $3,900.00 USDSale price $3,900.00 USD Regular priceUnit price / per -
S&S Diesel CP3 Conversion Kit for 2017-2024 GM 6.6L Duramax L5P
Regular price $3,406.00 USDSale price $3,406.00 USD Regular priceUnit price / per -
S&S Diesel CP3 Conversion Kit for 2017-2024 GM 6.6L Duramax L5P
Regular price $2,912.00 USDSale price $2,912.00 USD Regular priceUnit price / per -
S&S Diesel CP4 to CP3 Conversion Kit (Without Pump) for 2011-2016 GM 6.6L Duramax LML
Regular price $800.00 USDSale price $800.00 USD Regular priceUnit price / per -
S&S Diesel LML CP4 to CP3 Conversion Kit for 2011-2016 GM 6.6L Duramax
Regular price $2,600.00 USDSale price $2,600.00 USD Regular priceUnit price / per -
ATS Direct Replacement Up-Pipe Kit for 2001-2010 Chevy/GMC 6.6L Duramax
Regular price $558.25 USDSale price $558.25 USD Regular priceUnit price / per -
ATS Pulse Flow Exhaust Manifold Kit for 2001-2004 Chevy/GMC 6.6L Duramax LB7
Regular price $1,079.99 USDSale price $1,079.99 USD Regular priceUnit price / per -
PPE Fuel Rail Pressure Gauge - Duramax 2006-2010
Regular price $125.99 USDSale price $125.99 USD Regular priceUnit price / per$139.99 USDSale -
Edge Products 85400-200 Evolution CTS3 Tuner for 2001-2016 GM 6.6L Duramax
Regular price $689.95 USDSale price $689.95 USD Regular priceUnit price / per -
PPE 115930104 Silicone Hose V-Shape Hot Side for 2020-2024 GM 1500 3.0L Duramax
Regular price $59.99 USDSale price $59.99 USD Regular priceUnit price / per -
PPE 115930106 Silicone Hose L-Shape Cold Side for 2020-2024 GM 1500 3.0L Duramax
Regular price $59.99 USDSale price $59.99 USD Regular priceUnit price / per -
Fleece Performance FPE-FL-DMAX-LLY-SET High-Pressure Injection Line Kit for LLY Duramax
Regular price $489.00 USDSale price $489.00 USD Regular priceUnit price / per -
Fleece Performance FPE-DMAX-HFFBA-1116 Auxiliary Heated Fuel Filter Kit for 2011-2016 LML Duramax
Regular price $399.00 USDSale price $399.00 USD Regular priceUnit price / per -
Fleece Performance FPE-TL-LML-1516 Transmission Cooler Line Set for 2015-2016 LML Duramax
Regular price $329.99 USDSale price $329.99 USD Regular priceUnit price / per -
Fleece Performance FPE-TL-L5P-1719 Transmission Cooler Line Set for 2017-2019 L5P Duramax
Regular price $329.99 USDSale price $329.99 USD Regular priceUnit price / per -
Fleece Performance FPE-SF-GM-1116-SB SureFlo® Performance Sending Unit for 2011-2016 LML Duramax Short Bed
Regular price $379.00 USDSale price $379.00 USD Regular priceUnit price / per -
Fleece Performance FPE-SF-GM-1116-LB SureFlo® Performance Sending Unit for 2011-2016 LML Duramax Long Bed
Regular price $379.00 USDSale price $379.00 USD Regular priceUnit price / per -
Fleece Performance FPE-PF-GM-0104 PowerFlo In-Tank Lift Pump for 2001-2004 LB7 Duramax
Regular price $649.00 USDSale price $649.00 USD Regular priceUnit price / per -
Fleece Performance FPE-BRAB-D1 GM Duramax Rocker Bridges
Regular price $512.54 USDSale price $512.54 USD Regular priceUnit price / per -
Fleece Performance FPE-34611 LB7 Duramax Injection Lines Complete Set (8)
Regular price $379.05 USDSale price $379.05 USD Regular priceUnit price / per -
Fleece Performance FPE-LB7-63 Cheetah® Turbocharger for 2001-2004 LB7 Duramax
Regular price $1,999.00 USDSale price $1,999.00 USD Regular priceUnit price / per -
Fleece Performance FPE-TL-LBZ-LMM Allison Transmission Cooler Lines for 2006-2010 (LBZ-LMM)
Regular price $269.00 USDSale price $269.00 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.
















