Collection: 2020-2024 6.6L L5P Duramax Fuel System Upgrades
2020-2024 6.6L L5P Duramax Fuel System Upgrades
Maximize the performance and efficiency of your 2020-2023 6.6L L5P Duramax with our high-quality fuel system upgrades. Designed to optimize fuel delivery, improve combustion, and increase overall engine performance, these parts are perfect for enhancing power, towing capacity, and fuel efficiency. Whether you're...
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Fleece Performance FPE-34873-A 8 AN to 3/4-16 Straight Male Adapter – Black (Without O-Ring)
Regular price $14.96 USDSale price $14.96 USD Regular priceUnit price / per -
Fleece Performance FPE-34805-A 10 AN to 7/8-14 Straight Male Adapter – Black (Without O-Ring)
Regular price $14.96 USDSale price $14.96 USD Regular priceUnit price / per -
PPE GM 6.6L Duramax CP3 Pump Inlet Fitting (3/8”)
Regular price $14.39 USDSale price $14.39 USD Regular priceUnit price / per$15.99 USDSale -
PPE GM 6.6L Duramax CP3 Pump Inlet Fitting (1/2”)
Regular price $14.39 USDSale price $14.39 USD Regular priceUnit price / per -
Fleece Performance '-8 90 Degree to Hose Barb Black FPE-PL-90-08
Regular price $13.99 USDSale price $13.99 USD Regular priceUnit price / per -
Fleece Performance '-6 90 Deg to Hose Barb Black FPE-PL-90-06
Regular price $12.99 USDSale price $12.99 USD Regular priceUnit price / per -
Fleece Performance FPE-PL-45-06 6AN 45-Degree to Hose Barb – Black
Regular price $12.99 USDSale price $12.99 USD Regular priceUnit price / per -
Fleece Performance '-8 45 Degree to Hose Barb Black FPE-PL-45-08
Regular price $12.99 USDSale price $12.99 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 -
FASS Fuel Systems Drop-In Series Heater Probe Adapter Bushing (HB-2001)
Regular price $12.00 USDSale price $12.00 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 '-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 '-6 to 9/16 inch-18 Straight Male Black Fleece Performance w/ O-Ring FPE-APT-916-06
Regular price $10.99 USDSale price $10.99 USD Regular priceUnit price / per -
Fleece Performance 1/2 Inch Hose Barb to 3/4 Inch-16 O-ring (-8 AN) FPE-34553-A
Regular price $10.99 USDSale price $10.99 USD Regular priceUnit price / per -
Fleece Performance 1/2 Inch NPT to -10AN Male FPE-34874-A
Regular price $10.95 USDSale price $10.95 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 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 FPE-AN971-10DRD 10AN Aluminum Male Weld Bung – 5/8" Register, 7/8" OD
Regular price $8.35 USDSale price $8.35 USD Regular priceUnit price / per -
Fleece Performance '-8 Straight to Hose Barb Black FPE-PL-00-08
Regular price $7.99 USDSale price $7.99 USD Regular priceUnit price / per -
Fleece Performance 1/2 Inch Billet Aluminum Universal Block Off Plug FPE-34071
Regular price $7.42 USDSale price $7.42 USD Regular priceUnit price / per -
Fleece Performance '-8AN Aluminum Male Weld Bung 1/2 inch Register 3/4 inch OD FPE-AN971-08DRD
Regular price $7.30 USDSale price $7.30 USD Regular priceUnit price / per -
Fleece Performance '-6 AN Straight to Hose Barb FPE-PL-00-06
Regular price $6.99 USDSale price $6.99 USD Regular priceUnit price / per -
Fleece Performance 3/8 Inch Billet Aluminum Universal Block Off Plug FPE-34070
Regular price $6.47 USDSale price $6.47 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 3/4 Inch NPT Hex Socket Plug Black FPE-NPT-34
Regular price $4.99 USDSale price $4.99 USD Regular priceUnit price / per -
Fleece Performance 3/14 Inch-16 Hex Socket Plug w/ O-Ring FPE-SP-3416
Regular price $4.99 USDSale price $4.99 USD Regular priceUnit price / per -
Fleece Performance 1/2 Inch NPT Hex Socket Plug Black FPE-NPT-12
Regular price $4.49 USDSale price $4.49 USD Regular priceUnit price / per -
Fleece Performance 1/4 Inch NPT Hex Socket Plug Black FPE-NPT-14
Regular price $2.99 USDSale price $2.99 USD Regular priceUnit price / per
2020-2024 6.6L L5P Duramax Fuel System Upgrades
Maximize the performance and efficiency of your 2020-2023 6.6L L5P Duramax with our high-quality fuel system upgrades. Designed to optimize fuel delivery, improve combustion, and increase overall engine performance, these parts are perfect for enhancing power, towing capacity, and fuel efficiency. Whether you're looking to boost engine responsiveness, improve fuel economy, or support increased performance, our fuel system components are the perfect addition to your Duramax.
Premium Fuel System Upgrades for 6.6L L5P Duramax
Our selection of fuel system components for the 2020-2023 6.6L L5P Duramax includes fuel injectors, fuel pumps, filtration systems, and more. These parts are engineered to provide the optimal fuel flow for your truck, ensuring that your engine gets the proper amount of fuel for maximum performance. Whether you're upgrading for performance, towing, or efficiency, these fuel system upgrades ensure that your Duramax runs at its best, even under demanding conditions.
Why Choose Our Fuel System Upgrades?
Upgrading your fuel system is essential for supporting higher power levels, improving fuel economy, and ensuring consistent fuel delivery. Our fuel system parts are designed to withstand the demands of high-performance applications and heavy-duty driving. With components that improve fuel atomization and delivery, these upgrades will help your Duramax achieve more horsepower, better fuel economy, and improved overall engine reliability.
Key Features:
- Enhanced Fuel Delivery: Components designed to optimize fuel flow for better combustion and performance.
- Improved Efficiency: Fuel system upgrades that enhance fuel economy and engine responsiveness.
- Durable Construction: Parts built to withstand the stresses of towing, off-roading, and heavy-duty use.














