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 COMP330G Competition Series 330GPH (30 PSI MAX)
Regular price $1,199.00 USDSale price $1,199.00 USD Regular priceUnit price / per -
FASS Diesel Fuel 5/8 Suction Tube Upgrade Kit
Regular price $71.25 USDSale price $71.25 USD Regular priceUnit price / per -
FASS Diesel Fuel 5/8 Suction Tube Kit With Bulkhead Fitting
Regular price $84.55 USDSale price $84.55 USD Regular priceUnit price / per -
FASS CBK1001 Universal Heavy Duty Pickup Frame Clamp Bracket
Regular price $75.00 USDSale price $75.00 USD Regular priceUnit price / per -
FASS 32283R Replacement Element For FASS Titanium Electric Heater
Regular price $118.75 USDSale price $118.75 USD Regular priceUnit price / per -
Fleece Performance Duramax Turbo Thermostat Delete Plug FPE-TURBO-THERM
Regular price $39.85 USDSale price $39.85 USD Regular priceUnit price / per -
Fleece Performance Aluminum Roll Bar Clamp FPE-RBC-1.5-0.5
Regular price $38.04 USDSale price $38.04 USD Regular priceUnit price / per -
Fleece Performance All Lights On FPE-ALO
Regular price $21.95 USDSale price $21.95 USD Regular priceUnit price / per -
Fleece Performance 9/16 Inch -18 Hex Socket Plug w/ O-Ring FPE-SP-91618
Regular price $4.49 USDSale price $4.49 USD Regular priceUnit price / per -
Fleece Performance 9 Inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts FPE-34200-9
Regular price $48.30 USDSale price $48.30 USD Regular priceUnit price / per -
Fleece Performance 8 Inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts FPE-34200-8
Regular price $46.20 USDSale price $46.20 USD Regular priceUnit price / per -
Fleece Performance 7/8 Inch Billet Aluminum Universal Block Off Plug FPE-34113
Regular price $9.32 USDSale price $9.32 USD Regular priceUnit price / per -
Fleece Performance 7/8 Inch -14 Hex Socket Plug w/ O-Ring FPE-SP-7814
Regular price $5.99 USDSale price $5.99 USD Regular priceUnit price / per -
Fleece Performance 7 Inch Straight Cut Hood Stack Cover FPE-HSC-7-S
Regular price $42.99 USDSale price $42.99 USD Regular priceUnit price / per -
Fleece Performance 7 Inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts FPE-34200-7
Regular price $44.10 USDSale price $44.10 USD Regular priceUnit price / per -
Fleece Performance 7 Inch 45 Degree Hood Stack Cover FPE-HSC-7-45
Regular price $42.99 USDSale price $42.99 USD Regular priceUnit price / per -
S&B 10-1017 62-Gallon Replacement Fuel Tank
Regular price $1,349.00 USDSale price $1,349.00 USD Regular priceUnit price / per -
S&B 10-1016-1 60-Gallon Replacement Fuel Tank
Regular price $1,449.00 USDSale price $1,449.00 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 6 Inch Straight Cut Hood Stack Cover FPE-HSC-6-S
Regular price $41.99 USDSale price $41.99 USD Regular priceUnit price / per -
Fleece Performance 5/8 Inch Hose Barb to 3/4 Inch-16 O-ring (-8 AN) FPE-34554-A
Regular price $12.99 USDSale price $12.99 USD Regular priceUnit price / per -
Fleece Performance 5/8 Inch Billet Aluminum Universal Block Off Plug FPE-34139
Regular price $8.37 USDSale price $8.37 USD Regular priceUnit price / per -
Fleece Performance 5/16 Inch Quick Connect to 3/4 Inch-16 O-ring (-8 AN) FPE-34552-A
Regular price $11.99 USDSale price $11.99 USD Regular priceUnit price / per -
Fleece Performance 5 Inch Straight Cut Hood Stack Cover FPE-HSC-5-S
Regular price $40.99 USDSale price $40.99 USD Regular priceUnit price / per -
Fleece Performance 5 Inch 45 Degree Hood Stack Cover FPE-HSC-5-45
Regular price $40.99 USDSale price $40.99 USD Regular priceUnit price / per -
Fleece Performance 45 Degree Miter Cut Stack Cover 8 inch FPE-STK-CVR-8-45
Regular price $47.99 USDSale price $47.99 USD Regular priceUnit price / per -
Fleece Performance 45 Degree Miter Cut Stack Cover 7 inch FPE-STK-CVR-7-45
Regular price $45.99 USDSale price $45.99 USD Regular priceUnit price / per -
Fleece Performance 45 Degree Miter Cut Stack Cover 6 inch FPE-STK-CVR-6-45
Regular price $44.99 USDSale price $44.99 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.









