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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PPE 2001-2016 GM 6.6L Duramax Down-pipe support bracket for OEM length up-pipes
Regular price $31.49 USDSale price $31.49 USD Regular priceUnit price / per$34.99 USDSale -
PPE 2004-2005 GM 6.6L Duramax Turbo Coolant Hose Small Diameter (10.0mm)
Regular price $8.99 USDSale price $8.99 USD Regular priceUnit price / per$9.99 USDSale -
PPE 2001 - 2016 6.6L GM Duramax Billet Aluminum Engine Oil Filler Cap
Regular price $31.49 USDSale price $31.49 USD Regular priceUnit price / per$34.99 USDSale -
PPE 2001-2004 GM 6.6L Duramax Race Fuel Valve
Regular price $41.39 USDSale price $41.39 USD Regular priceUnit price / per -
PPE 2004-2010 GM 6.6L Duramax Ported Fuel Rail Fitting
Regular price $31.49 USDSale price $31.49 USD Regular priceUnit price / per -
ATS A40 / A50 TCM Relocation Kit Fits 2006-2015 GM 6.6L Duramax w/ Allison LCT1000
Regular price $349.99 USDSale price $349.99 USD Regular priceUnit price / per -
ATS T50-T87 TCM Upgrade for 2009-Early 2015 6.6L GM Duramax LCT100 Transmission
Regular price From $1,994.99 USDSale price From $1,994.99 USD Regular priceUnit price / per -
Stainless Diesel 5Blade 63mm LMM turbo 636655BLMM.
Regular price From $2,550.06 USDSale price From $2,550.06 USD Regular priceUnit price / per -
S&B Filters Cold Side Intercooler Pipe for 20-22 Silverado/Sierra 1500 Duramax 3.0L 83-1002
Regular price $129.00 USDSale price $129.00 USD Regular priceUnit price / per -
S&B Filters MAP Sensor Spacer Kit For 17-20 Silverado/Sierra V8 6.6L L5P Duramax 82-1000
Regular price $69.00 USDSale price $69.00 USD Regular priceUnit price / per -
Fleece Performance GM Duramax Oil Cooler Adapter Kit FPE-DMAX-OCADPT
Regular price $99.00 USDSale price $99.00 USD Regular priceUnit price / per -
Fleece Performance Duramax Vane Position Sensor Pigtail LLY FPE-HAR-DMAX-VPS-0405
Regular price $29.99 USDSale price $29.99 USD Regular priceUnit price / per -
FASS Titanium Signature Series Diesel Fuel System 250GPH GM Duramax 6.6L 2001-2016
5.0 / 5.0
(1) 1 total reviews
Regular price $799.00 USDSale price $799.00 USD Regular priceUnit price / per -
Fleece Performance Duramax MAP/BARO Sensor Pigtail 01-07 FPE-HAR-DMAX-MAP-0107
Regular price $27.99 USDSale price $27.99 USD Regular priceUnit price / per -
S&B Filters Cold Air Intake For 17-19 Chevrolet Silverado GMC Sierra V8-6.6L L5P Duramax Dry Extendable White 75-5144D
Regular price $379.00 USDSale price $379.00 USD Regular priceUnit price / per -
S&B Filters Cold Air Intake For 20-21 Chevrolet Silverado GMC Sierra V8-6.6L L5P Duramax Dry Extendable 75-5136D
Regular price $379.00 USDSale price $379.00 USD Regular priceUnit price / per -
S&B Filters Cold Air Intake For 20-21 Chevrolet Silverado GMC Sierra V8-6.6L L5P Duramax Cotton Cleanable 75-5136
Regular price $379.00 USDSale price $379.00 USD Regular priceUnit price / per -
Fleece Performance Replacement CP3 feed hose for LML CP3 Conversion Kit FPE-LML-HS-FEED
Regular price $19.99 USDSale price $19.99 USD Regular priceUnit price / per -
Fleece Performance 2004.5-2010 Duramax Billet Turbo Resonator Delete Plug LLY/LBZ/LMM FPE-RES-04.5-10
Regular price $23.80 USDSale price $23.80 USD Regular priceUnit price / per -
S&B Filters Cold Air Intake For 16-19 Chevrolet Colorado GMC Canyon 2.8L Duramax Dry Dry Extendable White 75-5086D
Regular price $379.00 USDSale price $379.00 USD Regular priceUnit price / per -
S&B Filters Cold Air Intake For 16-19 Chevrolet Colorado GMC Canyon 2.8L Duramax Cotton Cleanable Red 75-5086
Regular price $379.00 USDSale price $379.00 USD Regular priceUnit price / per -
Fleece Performance Replacement CP3 Return Hose for LML CP3 Conversion Kit FPE-LML-HS-RTRN
Regular price $19.99 USDSale price $19.99 USD Regular priceUnit price / per -
Fleece Performance Replacement Fuel Injector Connector With Pigtail for L5P Duramax - 4 pack FPE-HAR-L5P-INJ-PT-4P
Regular price $179.99 USDSale price $179.99 USD Regular priceUnit price / per -
Fleece Performance Replacement Fuel Injector Connector With Pigtail for L5P Duramax - 8 pack FPE-HAR-L5P-INJ-PT-8P
Regular price $299.99 USDSale price $299.99 USD Regular priceUnit price / per -
Fleece Performance FPE-61-10004-D Freedom Series Duramax Cylinder Head for 2011-2016 LML (Driver Side)
Regular price $1,199.00 USDSale price $1,199.00 USD Regular priceUnit price / per -
Fleece Performance Dosing Injector Fuel Line Disconnect Tool for 11-16 Duramax FPE-LML-QCDT
Regular price $16.79 USDSale price $16.79 USD Regular priceUnit price / per -
Fleece Performance Resonator Delete Plate Duramax LML 6061 Aluminum FPE-LML-RES
Regular price $39.99 USDSale price $39.99 USD Regular priceUnit price / per -
Fleece Performance Donaldson P553203 Case of 12 Fuel Filters for Fleece L5P Duramax Fuel Filter Kits and 1998.5-2018 Dodge Ram Cummins Auxiliary Fuel Filter Kits FPE-DON-P553203-12
Regular price $279.99 USDSale price $279.99 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.






















