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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S&B Filters Cold Air Intake For 06-07 Chevrolet Silverado GMC Sierra V8-6.6L LLY-LBZ Duramax Dry Extendable White 75-5080D
Regular price $379.00 USDSale price $379.00 USD Regular priceUnit price / per -
S&B Filters Cold Air Intake For 06-07 Chevrolet Silverado GMC Sierra V8-6.6L LLY-LBZ Duramax Cotton Cleanable Red 75-5080
Regular price $379.00 USDSale price $379.00 USD Regular priceUnit price / per -
S&B Filters Cold Air Intake For 11-16 Chevrolet Silverado GMC Sierra V8-6.6L LML Duramax Dry Extendable White 75-5075-1D
Regular price $379.00 USDSale price $379.00 USD Regular priceUnit price / per -
S&B Filters Cold Air Intake For 11-16 Chevrolet Silverado GMC Sierra V8-6.6L LML Duramax Cotton Cleanable Red 75-5075-1
Regular price $379.00 USDSale price $379.00 USD Regular priceUnit price / per -
S&B Filters Cold Air Intake For 92-00 GMC K-Series V8-6.5L Duramax Dry Dry Extendable White 75-5045D
Regular price $379.00 USDSale price $379.00 USD Regular priceUnit price / per -
S&B Filters Cold Air Intake For 92-00 GMC K-Series V8-6.5L Duramax Oiled Cotton Cleanable Red 75-5045
Regular price $379.00 USDSale price $379.00 USD Regular priceUnit price / per -
Fleece Performance FPE-LML-CP3-10 LML CP3 Conversion Kit with HD CP3 for 2011-2016 Duramax
Regular price $2,749.00 USDSale price $2,749.00 USD Regular priceUnit price / per -
Fleece Performance Replacement High Pressure Fuel Line for LML CP3 Conversions FPE-FL-LML-CP3-HP
Regular price $179.99 USDSale price $179.99 USD Regular priceUnit price / per -
Fleece Performance 2001-2016 Duramax Oil Cap Black FPE-DMAX-OC-BLK
Regular price $39.99 USDSale price $39.99 USD Regular priceUnit price / per -
Fleece Performance 2001-2016 Duramax Oil Cap Blue FPE-DMAX-OC-BLU
Regular price $39.99 USDSale price $39.99 USD Regular priceUnit price / per -
Fleece Performance 2001-2016 Duramax Oil Cap Red FPE-DMAX-OC-RED
Regular price $39.99 USDSale price $39.99 USD Regular priceUnit price / per -
Fleece Performance 6.6L Duramax Stage 2 Pushrods, 0.875 inch dia FPE-DUR-S2-PROD
Regular price $490.19 USDSale price $490.19 USD Regular priceUnit price / per -
Fleece Performance FPE-VNT63-STREET 63mm FMW Cheetah Turbocharger Street for 2004.5-2010 LLY/LBZ/LMM Duramax
Regular price $2,599.00 USDSale price $2,599.00 USD Regular priceUnit price / per -
Fleece Performance FPE-34564 PowerFlo® In-Tank Lift Pump for 2011-2016 LML Duramax (Long Bed)
Regular price $769.00 USDSale price $769.00 USD Regular priceUnit price / per -
FASS Fuel Systems Drop-In Series Diesel Fuel System 2017-2023 GM (DIFSL5P1001)
Regular price $479.00 USDSale price $479.00 USD Regular priceUnit price / per -
FASS Fuel Systems Drop-In Series Diesel Fuel System 2020-2023 GM (DIFSL5P2001)
Regular price $479.00 USDSale price $479.00 USD Regular priceUnit price / per -
Fleece Performance LBZ/LMM Duramax High Pressure Injection Line (Number 1 and Number 8) FPE-FL-LBZLMM-18
Regular price $83.99 USDSale price $83.99 USD Regular priceUnit price / per -
Fleece Performance LBZ/LMM Duramax High Pressure Injection Line (Number 2 and Number 7) FPE-FL-LBZLMM-27
Regular price $83.99 USDSale price $83.99 USD Regular priceUnit price / per -
Fleece Performance LBZ/LMM Duramax High Pressure Injection Line (Number 3 and Number 6) FPE-FL-LBZLMM-36
Regular price $83.99 USDSale price $83.99 USD Regular priceUnit price / per -
Fleece Performance LBZ/LMM Duramax High Pressure Injection Line (Number 4 and Number 5) FPE-FL-LBZLMM-45
Regular price $80.00 USDSale price $80.00 USD Regular priceUnit price / per -
Fleece Performance Duramax Fan Extension Harness (L5P) FPE-HAR-DMAX-FAN-L5P
Regular price $45.99 USDSale price $45.99 USD Regular priceUnit price / per -
Fleece Performance MAP Sensor Spacer and Boost Reference Port for L5P Duramax FPE-L5P-MAP-SPR
Regular price $68.99 USDSale price $68.99 USD Regular priceUnit price / per -
Fleece Performance FPE-61-10004-P Freedom Series Duramax Cylinder Head for 2011-2016 LML (Passenger Side)
Regular price $1,199.00 USDSale price $1,199.00 USD Regular priceUnit price / per -
Fleece Performance Return Fuel Pressure Test Port for 2011-2016 LML Duramax FPE-FPTP-GM-1116
Regular price $31.49 USDSale price $31.49 USD Regular priceUnit price / per -
Fleece Performance CP3 Regulator Extension Harness for 11-16 6.6L Duramax Fleece FPE-HAR-CP3-EXT
Regular price $29.99 USDSale price $29.99 USD Regular priceUnit price / per -
Fleece Performance Fuel Pressure Regulator Wiring Harness for 2006-2010 6.6L Duramax FPE-HAR-DMAX-FPR
Regular price $73.49 USDSale price $73.49 USD Regular priceUnit price / per -
Fleece Performance Replacement Sensor Connector With Pigtail for L5P Duramax and GM Vehicles (L5P Duramax Sensor Pigtail 1) FPE-HAR-MU-PT-1
Regular price $37.99 USDSale price $37.99 USD Regular priceUnit price / per -
FASS Titanium Signature Series Diesel Fuel System 100GPH GM Duramax 6.6L 2011-2014
Regular price $689.00 USDSale price $689.00 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.

















