
Collection: 2020-2024 6.6L L5P Duramax Fuel System Upgrades
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Fleece Performance 13 Inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts FPE-34200-13
Regular price $54.00 USDSale price $54.00 USD Regular priceUnit price / per -
Fleece Performance 12 Inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts FPE-34200-12
Regular price $52.00 USDSale price $52.00 USD Regular priceUnit price / per -
Fleece Performance 11 Inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts FPE-34200-11
Regular price $50.00 USDSale price $50.00 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 10 Inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts FPE-34200-10
Regular price $48.00 USDSale price $48.00 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 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 18 Inch Rail Pressure Sensor Extension Harness FPE-HAR-RP-EXT
Regular price $43.04 USDSale price $43.04 USD Regular priceUnit price / per -
FASS XWS1002 Extreme Water Separator
Regular price $38.00 USDSale price $38.00 USD Regular priceUnit price / per -
Fleece Performance Replacement Sensor Connector With Pigtail for L5P Duramax and GM Vehicles (L5P Duramax Sensor Pigtail 1) FPE-HAR-MU-PT-1
Regular price $37.99 USDSale price $37.99 USD Regular priceUnit price / per -
FASS Titanium/Titanium Signature Series Dual Electric Heater Kit Splitter
Regular price $37.05 USDSale price $37.05 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 Universal 45 Degreeree Turbo Drain Nipple with O-ring FPE-78HS-45-TDA
Regular price $34.99 USDSale price $34.99 USD Regular priceUnit price / per -
XWS-3002XL Extended Length Extreme Water Separator FASS
Regular price $34.00 USDSale price $34.00 USD Regular priceUnit price / per -
FASS XWS3002XL Extended Length Extreme Water Separator
Regular price $32.30 USDSale price $32.30 USD Regular priceUnit price / per -
FASS XWS5000 1-12 Inch Transfer Tank Filter
Regular price $30.40 USDSale price $30.40 USD Regular priceUnit price / per -
FASS XWS3002 Extreme Water Separator
Regular price $29.45 USDSale price $29.45 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 Multiuse Pressure Sensor 36 Inch Pigtail FPE-HAR-MU-PT-6
Regular price $24.99 USDSale price $24.99 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 -
FASS PF3001XL Extended Length Particulate Filter
Regular price $23.75 USDSale price $23.75 USD Regular priceUnit price / per -
FASS Particulate Filter PF3001
Regular price $20.90 USDSale price $20.90 USD Regular priceUnit price / per -
Fleece Performance Multiuse Sensor 6 Inch Pigtail FPE-HAR-MU-PT-5
Regular price $19.99 USDSale price $19.99 USD Regular priceUnit price / per -
Fleece Performance 1/2 Inch Quick Connect to 3/4 Inch-16 O-ring (-8 AN) FPE-34900-A
Regular price $16.99 USDSale price $16.99 USD Regular priceUnit price / per -
Fleece Performance 12mm Quick Connect to 3/4 Inch-16 O-ring (-8 AN) FPE-34550-A
Regular price $15.99 USDSale price $15.99 USD Regular priceUnit price / per -
Fleece Performance 3/8 Inch CP3 Return Fitting FPE-CP3-RTRN
Regular price $15.95 USDSale price $15.95 USD Regular priceUnit price / per -
Fleece Performance 1/2 Inch CP3 Feed Fitting FPE-CP3-FEED
Regular price $15.95 USDSale price $15.95 USD Regular priceUnit price / per -
Fleece Performance Multi-Use Sensor Pigtail - No 8 FPE-HAR-MU-PT-8
Regular price $14.99 USDSale price $14.99 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.