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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ATS ALLISON BILLET INTERMEDIATE SHAFT FITS 2001-2010 6.6L DURAMAX 304-920-4248
Regular price $495.00 USDSale price $495.00 USD Regular priceUnit price / per -
ATS Allison LCT1000 Transmission Package 2WD 2001-2019 6.6L LB7 LLY LMM LML L5P Duramax
Regular price From $5,310.32 USDSale price From $5,310.32 USD Regular priceUnit price / per -
ATS T50-T87 TCM Upgrade for 2009-Early 2015 6.6L GM Duramax LCT100 Transmission
Regular price $1,995.00 USDSale price $1,995.00 USD Regular priceUnit price / per -
Stainless Diesel 5Blade 68/71 LMM turbo 68715BLMM.
Regular price From $3,099.25 USDSale price From $3,099.25 USD Regular priceUnit price / per -
Stainless Diesel 5Blade 65/67 LMM turbo 65675BLMM.
Regular price From $2,627.25 USDSale price From $2,627.25 USD Regular priceUnit price / per -
Stainless Diesel 5Blade 68mm LML turbo 68715BLML.
Regular price From $3,099.25 USDSale price From $3,099.25 USD Regular priceUnit price / per -
Stainless Diesel 5Blade 63mm LML turbo 636655BLML.
Regular price From $2,599.22 USDSale price From $2,599.22 USD Regular priceUnit price / per -
Stainless Diesel 5Blade 68/71 LLY turbo 68715BLLY.
Regular price From $3,099.25 USDSale price From $3,099.25 USD Regular priceUnit price / per -
Stainless Diesel 5Blade 65/67 LLY turbo 65675BLLY.
Regular price From $2,627.25 USDSale price From $2,627.25 USD Regular priceUnit price / per -
Stainless Diesel 5Blade 63/66 LLY turbo 636655BLLY.
Regular price From $2,550.06 USDSale price From $2,550.06 USD Regular priceUnit price / per -
Stainless Diesel 5Blade 68/71 LBZ turbo 68715BLBZ.
Regular price $2,875.00 USDSale price $2,875.00 USD Regular priceUnit price / per -
Stainless Diesel 5Blade 65/67 LBZ turbo 65675BLBZ.
Regular price $2,295.00 USDSale price $2,295.00 USD Regular priceUnit price / per -
Stainless Diesel 5Blade 63mm LBZ turbo 636655BLBZ.
Regular price From $2,550.06 USDSale price From $2,550.06 USD Regular priceUnit price / per -
Stainless Diesel 5Blade 61/62 Stock+ LBZ turbo 848212-5001-5BLBZ.
Regular price $1,899.00 USDSale price $1,899.00 USD Regular priceUnit price / per -
Stainless Diesel 01-04 Duramax LB7 IHI 67/67 67676BIHI
Regular price $1,989.00 USDSale price $1,989.00 USD Regular priceUnit price / per -
Stainless Diesel 01-04 Duramax LB7 IHI 63/67 63676BIHI
Regular price $1,789.00 USDSale price $1,789.00 USD Regular priceUnit price / per -
H&S Motorsports 2017+ GM 6.6L L5P Billet Fuel Filter Housing
Regular price $115.00 USDSale price $115.00 USD Regular priceUnit price / per -
Fleece Performance LB7 High Pressure Injection Line (1 and 8) Fleece FPE-FL-LB7-18
Regular price $68.99 USDSale price $68.99 USD Regular priceUnit price / per -
S&B Filters Turbo Inlet Manifold For 04-05 Chevrolet Silverado GMC Sierra 6.6L LLY 76-1006B
Regular price $195.00 USDSale price $195.00 USD Regular priceUnit price / per -
Fleece Performance Modified LB7 Intake Horn FPE-INTAKEHORN
Regular price $99.75 USDSale price $99.75 USD Regular priceUnit price / per -
S&B Filters Air Filter Wrap for KF-1052 & KF-1052D For 11-14 Silverado/Sierra 2500/3500 6.6L Diesel LML WF-1033
Regular price $29.95 USDSale price $29.95 USD Regular priceUnit price / per -
FASS FASC09165G Adjustable Diesel Fuel Lift Pump 165GPH GM Duramax 6.6L 2001-2016
Regular price $599.00 USDSale price $599.00 USD Regular priceUnit price / per -
FASS FASC09250G Adjustable Diesel Fuel Lift Pump 250GPH GM Duramax 6.6L 2001-2016
Regular price $699.00 USDSale price $699.00 USD Regular priceUnit price / per -
FASS FASC09290G Adjustable Diesel Fuel Lift Pump 290GPH GM Duramax 6.6L 2001-2016
Regular price $749.00 USDSale price $749.00 USD Regular priceUnit price / per -
FASS FASC09100G Adjustable Diesel Fuel Lift Pump 100GPH GM Duramax 6.6L 2001-2016
Regular price $549.00 USDSale price $549.00 USD Regular priceUnit price / per -
Fleece Performance FPE-61-10001-D-CL Freedom Series Duramax Cylinder Head with Cupless Injector Bore for 2001-2004 LB7 (Driver Side)
Regular price $1,099.00 USDSale price $1,099.00 USD Regular priceUnit price / per -
Fleece Performance FPE-61-10001-P-CL Freedom Series Duramax Cylinder Head with Cupless Injector Bore for 2001-2004 LB7 (Passenger Side)
Regular price $1,098.00 USDSale price $1,098.00 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
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.














