Collection: 2020-2024 6.6L L5P Duramax
2020-2024 6.6L Duramax Performance Parts and Accessories
Maximize the potential of your 2020-2024 GMC and Chevy trucks with premium performance parts for the 6.6L L5P Duramax engine. Our extensive selection includes parts designed to boost power, enhance fuel efficiency, and improve durability. Whether you're...
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FASS Fuel Systems Diesel Fuel Sump Kit (SK5501)
Regular price $169.00 USDSale price $169.00 USD Regular priceUnit price / per$177.89 USDSale -
WirelessAir with EZ Mount - 74000EZ
Regular price $799.95 USDSale price $799.95 USD Regular priceUnit price / per$696.50 USD -
Stainless Diesel SUPERCORE 5B468/83 T-4 Turbo 5.00
Regular price $1,710.00 USDSale price $1,710.00 USD Regular priceUnit price / per -
H&S Motorsports 3" Straight Silicone Coupler (Black 5-Ply)
Regular price $35.00 USDSale price $35.00 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 Fuel Pressure Regulator and Multiuse Pigtail FPE-HAR-FPR-PT
Regular price $27.99 USDSale price $27.99 USD Regular priceUnit price / per -
FASS STK1005 Diesel Fuel Bulkhead and Viton Suction Tube Kit
Regular price $94.05 USDSale price $94.05 USD Regular priceUnit price / per -
FASS Adjustable Fuel Pressure Regulator
Regular price $141.55 USDSale price $141.55 USD Regular priceUnit price / per -
Fleece Performance Adapter Fitting -10AN Male to 1.325 Inch Bore FPE-34224-B
Regular price $35.65 USDSale price $35.65 USD Regular priceUnit price / per -
Fleece Performance 6 Inch 45 Degree Hood Stack Cover FPE-HSC-6-45
Regular price $41.99 USDSale price $41.99 USD Regular priceUnit price / per -
Fleece Performance 3/8 Inch Black Anodized Aluminum Y Barbed Fitting (For -6 Pushlock Hose) FPE-FIT-Y06-BLK
Regular price $23.99 USDSale price $23.99 USD Regular priceUnit price / per -
Fleece Performance 24 Inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts FPE-34200-24
Regular price $76.00 USDSale price $76.00 USD Regular priceUnit price / per -
Fleece Performance 16 Inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts FPE-34200-16
Regular price $60.00 USDSale price $60.00 USD Regular priceUnit price / per -
Fleece Performance 1/2 Inch Black Anodized Aluminum Y Barbed Fitting (For -8 Pushlock Hose) FPE-FIT-Y08-BLK
Regular price $24.99 USDSale price $24.99 USD Regular priceUnit price / per -
Fleece Performance '-8 to 3/4 Inch-16 Straight Male Black w/ O-Ring FPE-APT-34-08
Regular price $10.99 USDSale price $10.99 USD Regular priceUnit price / per -
Fleece Performance -10 90 Deg to Hose Barb Black FPE-PL-90-10
Regular price $14.99 USDSale price $14.99 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 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 -
FASS Fuel Systems Billet L5P 2017-2024 Duramax Fuel Filter Cap (BFC1001K)
Regular price $110.20 USDSale price $110.20 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 $349.00 USDSale price $349.00 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 -
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 -
Flow-MaX Monster 1/2in Line Kit
Regular price $171.95 USDSale price $171.95 USD Regular priceUnit price / per -
Flow-MaX Tank Sump Kit
Regular price $185.95 USDSale price $185.95 USD Regular priceUnit price / per -
Husky Liners 55101 MudDog Rubber Rear Mud Flaps With Weight– 12"
Regular price $119.95 USDSale price $119.95 USD Regular priceUnit price / per -
Fleece Performance Secondary MAP Sensor Spacer for 2024+ L5P Duramax
Regular price $72.44 USDSale price $72.44 USD Regular priceUnit price / per -
SSBC Dimple Drilled & Slotted Brake Rotors Duramax 2011-2024
Regular price From $353.00 USDSale price From $353.00 USD Regular priceUnit price / per -
SSBC A404-31-DS B8-Barbarian 8-Piston Rear Brake Caliper & Rotor Kit Duramax 2011-2024
Regular price From $2,009.00 USDSale price From $2,009.00 USD Regular priceUnit price / per
2020-2024 6.6L Duramax Performance Parts and Accessories
Maximize the potential of your 2020-2024 GMC and Chevy trucks with premium performance parts for the 6.6L L5P Duramax engine. Our extensive selection includes parts designed to boost power, enhance fuel efficiency, and improve durability. Whether you're towing heavy loads, off-roading, or seeking everyday performance gains, our parts deliver exceptional performance and reliability.
Popular Categories:
- Engine & Performance: Upgrades for turbochargers, air intake systems, and fuel systems.
- Drivetrain & Chassis: Improve your truck’s stability with suspension, brakes, and drivetrain parts.
- Exterior Parts & Accessories: Enhance your truck's look with custom grilles, bumpers, and more.
- Lighting & Accessories: Improve visibility with LED lights, light bars, and more.
- Fluids & Filters: Maintain optimal performance with premium fluids and filters.
















