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 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 Duramax Fan Extension Harness (LML) FPE-HAR-DMAX-FAN-LML
Regular price $45.99 USDSale price $45.99 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 $1,098.00 USDSale price $1,098.00 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 -
S&B MAP Sensor Spacer Kit 2024-2025 Chevrolet Silverado & GMC Sierra 6.6L Duramax L5P
Regular price $69.00 USDSale price $69.00 USD Regular priceUnit price / per -
Intercooler System 2001 Chevy/GMC 6.6 LB7 W/Boost Tubes Banks Power
Regular price $1,469.00 USDSale price $1,469.00 USD Regular priceUnit price / per$1,469.00 USD -
Intercooler System 02-04 Chevy/GMC 6.6 LB7 W/Boost Tubes Banks Power
Regular price $1,459.00 USDSale price $1,459.00 USD Regular priceUnit price / per$1,459.00 USD -
Intercooler System 04-05 Chevy/GMC 6.6 LLY W/Boost Tubes Banks Power
Regular price $1,459.00 USDSale price $1,459.00 USD Regular priceUnit price / per$1,459.00 USD -
Pre-Filter for 17-19 GM L5P and 19-Present Ram 6.7L Ram-Air Intakes Banks Power
Regular price $48.98 USDSale price $48.98 USD Regular priceUnit price / per$44.08 USDSold out -
Pre-Filter for 17-19 Ford 6.7L and 20-23 GM L5P Banks Power
Regular price $48.98 USDSale price $48.98 USD Regular priceUnit price / per$44.08 USDSold out -
Banks Power Boost Tube Upgrade Kit – 2011 Chevy/GMC 2500 / 3500 6.6L Duramax (LML)
Regular price $429.00 USDSale price $429.00 USD Regular priceUnit price / per -
Banks Power Techni-Cooler Intercooler System – 2013-2016 Chevy/GMC 2500 / 3500 6.6L Duramax (LML)
Regular price $1,829.00 USDSale price $1,829.00 USD Regular priceUnit price / per -
Banks Power Boost Tube Upgrade Kit – 2012-2016 Chevy/GMC 2500 / 3500 6.6L Duramax (LML)
Regular price $429.00 USDSale price $429.00 USD Regular priceUnit price / per -
Banks Power Boost Tube Upgrade Kit – 2017-2019 Chevy/GMC 2500 / 3500 6.6L Duramax (L5P)
Regular price $598.00 USDSale price $598.00 USD Regular priceUnit price / per -
Banks Power Boost Tube Upgrade Kit – 2020-2021 Chevy/GMC 2500 / 3500 6.6L Duramax (L5P)
Regular price $698.00 USDSale price $698.00 USD Regular priceUnit price / per -
Banks Power Monster-Ram Turbo Inlet 2017-2026 Chevy/GMC 2500/3500 6.6L Duramax L5P
Regular price From $289.00 USDSale price From $289.00 USD Regular priceUnit price / per -
S&B Filters Hot & Cold Side Boot Kit – 2004.5–2005 GM 6.6L Duramax LLY
Regular price $149.00 USDSale price $149.00 USD Regular priceUnit price / per -
BD-Built Duramax LLY Injector Stock/StockPlus (0986435504) Chevy/GMC 2004.5-2006
Regular price From $325.95 USDSale price From $325.95 USD Regular priceUnit price / per -
BD-Built Duramax LB7 Injector Stock/StockPlus (0986435502) Chevy/GMC 2001-2004
Regular price From $251.95 USDSale price From $251.95 USD Regular priceUnit price / per -
Injector Stock Remanufactured Chevy Pick-up LML Duramax 2011-2016
Regular price $413.95 USDSale price $413.95 USD Regular priceUnit price / per -
BD-Built Duramax LBZ Injector Stock/StockPlus (0986435521) Chevy/GMC 2006-2007
Regular price From $398.95 USDSale price From $398.95 USD Regular priceUnit price / per -
BD-Built Duramax LMM Injector Stock/StockPlus (0986435520) Chevy/GMC 2007-2010
Regular price From $398.95 USDSale price From $398.95 USD Regular priceUnit price / per -
INJECTOR CONNECTOR W/PIGTAIL CHEVY/GM DURAMAX L5P 2017-2022 (4-PACK)
Regular price $159.95 USDSale price $159.95 USD Regular priceUnit price / per -
INJECTOR CONNECTOR W/PIGTAIL CHEVY/GM DURAMAX L5P 2017-2022 (SINGLE)
Regular price $43.95 USDSale price $43.95 USD Regular priceUnit price / per -
VENOM DURAMAX FUEL LIFT PUMP c/w FILTER & SEPARATOR CHEVY 6.6L DURAMAX 2011-2016
Regular price $819.95 USDSale price $819.95 USD Regular priceUnit price / per -
VENOM FUEL LIFT PUMP C/W FILTER & SEPARATOR CHEVY 6.6L DURAMAX 2001-2010
Regular price $819.95 USDSale price $819.95 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.


















