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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Fleece Performance FPE-DMAX-CP3K Duramax CP3K
Regular price $1,349.00 USDSale price $1,349.00 USD Regular priceUnit price / per -
Fleece Performance FPE-34790 PowerFlo In-Tank Lift Pump for 2007.5-2010 Duramax
Regular price $799.00 USDSale price $799.00 USD Regular priceUnit price / per -
Fleece Performance FPE-34789 PowerFlo In-Tank Lift Pump for 2004.5-2010 Duramax
Regular price $769.00 USDSale price $769.00 USD Regular priceUnit price / per -
PPE 2001-2022 GM 6.6L Duramax Oil Galley Feed Line Fitting
Regular price $35.99 USDSale price $35.99 USD Regular priceUnit price / per$39.99 USDSale -
PPE 2012-2016 GM 6.6L Duramax Water Level Sensor Wrench
Regular price $14.39 USDSale price $14.39 USD Regular priceUnit price / per$15.99 USDSale -
PPE 2001-2011 GM 6.6L Duramax Water Level Sensor Wrench
Regular price $14.39 USDSale price $14.39 USD Regular priceUnit price / per$15.99 USDSale -
PPE 2001-2010 GM 6.6L Duramax Fuel Rail Pressure Harness
Regular price $44.99 USDSale price $44.99 USD Regular priceUnit price / per$49.99 USDSale -
PPE 2001-2010 GM 6.6L Duramax Engine Mount Kit 70 Hardness
Regular price $269.99 USDSale price $269.99 USD Regular priceUnit price / per$299.99 USDSale -
PPE 2001-2010 GM 6.6L Duramax Engine Mount Kit 40 Hardness
Regular price $269.99 USDSale price $269.99 USD Regular priceUnit price / per$299.99 USDSale -
PPE 2011-2023 GM 6.6L Duramax Extreme-Duty, Forged 7/8” Drilled Steering Assembly Kit
Regular price $1,079.99 USDSale price $1,079.99 USD Regular priceUnit price / per$1,199.99 USDSale -
PPE 2001-2010 GM 6.6L Duramax Extreme-Duty, Forged 7/8” Drilled Steering Assembly Kit
Regular price $1,079.99 USDSale price $1,079.99 USD Regular priceUnit price / per$1,199.99 USDSale -
PPE 2007.5-2010 GM 6.6L Duramax w/ Allison Transmission Transfer Case Brace
Regular price $134.99 USDSale price $134.99 USD Regular priceUnit price / per$149.99 USDSale -
PPE 2017-2019 GM 6.6L Duramax Heavy-Duty Cast Aluminum PTO Side Plate Cover
Regular price From $41.39 USDSale price From $41.39 USD Regular priceUnit price / per$45.99 USDSale -
PPE 2011-2019 GM 6.6L Duramax EPC Blocker
Regular price $49.49 USDSale price $49.49 USD Regular priceUnit price / per$54.99 USDSale -
PPE 2001-2016 GM 6.6L Duramax Billet Input Shaft
Regular price $899.99 USDSale price $899.99 USD Regular priceUnit price / per$999.99 USDSale -
Fleece Performance Tie Rod Reinforcement Sleeves For 2011-2018 GM 2500-3500HD Pickups FPE-TIERODSLEEVES-LML
Regular price $81.90 USDSale price $81.90 USD Regular priceUnit price / per -
PPE 2017-2019 GM 6.6L Duramax Transmission Fluid Thermal Bypass Valve
Regular price $89.99 USDSale price $89.99 USD Regular priceUnit price / per$99.99 USDSale -
PPE 2017-2019 GM 6.6L Duramax w/ Allison Transmission Performance Transmission Cooler Bar and Plate
Regular price $350.99 USDSale price $350.99 USD Regular priceUnit price / per$389.99 USDSale -
PPE 2011-2014 GM 6.6L Duramax w/ Allison Transmission Performance Transmission Cooler Bar and Plate
Regular price $350.99 USDSale price $350.99 USD Regular priceUnit price / per$389.99 USDSale -
PPE 2003-2005 GM 6.6L Duramax w/ Allison Transmission Bar and Plate Transmission Cooler
Regular price $314.99 USDSale price $314.99 USD Regular priceUnit price / per$349.99 USDSale -
PPE 2001-2003 GM 6.6L Duramax w/ Allison Transmission Bar and Plate Transmission Cooler
Regular price $314.99 USDSale price $314.99 USD Regular priceUnit price / per$349.99 USDSale -
PPE 2011-2014 GM 6.6L Duramax Performance Silicone EGR to CAB Coolant Hose
Regular price $11.65 USDSale price $11.65 USD Regular priceUnit price / per$12.99 USDSale -
PPE 2007.5-2010 GM 6.6L Duramax Performance Silicone EGR to CAB Coolant Hose
Regular price $15.29 USDSale price $15.29 USD Regular priceUnit price / per$16.99 USDSale -
PPE 2004-2007 GM 6.6L Duramax Performance Silicone EGR to CAB Coolant Hose
Regular price $12.14 USDSale price $12.14 USD Regular priceUnit price / per$13.49 USDSale -
PPE 2001-2004 GM Duramax, Performance Silicone EGR to CAB Coolant Hose
Regular price $10.79 USDSale price $10.79 USD Regular priceUnit price / per$11.99 USDSale -
PPE 2011-2014 GM 6.6L Duramax Performance Silicone CAB to Engine Coolant Hose
Regular price $10.79 USDSale price $10.79 USD Regular priceUnit price / per$11.99 USDSale -
PPE 2001-2010 GM 6.6L Duramax Performance Silicone Engine to CAB Coolant Hose
Regular price $11.69 USDSale price $11.69 USD Regular priceUnit price / per$12.99 USDSale -
PPE LML Heater Outlet Hose Connector – 5/8’’ Hose to 5/8’’ Tube
Regular price $22.49 USDSale price $22.49 USD Regular priceUnit price / per$24.99 USDSale
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.















