
Collection: 2020-2024 6.6L L5P Duramax Fuel System Upgrades
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FASS High Output Heater Disk
Regular price $160.55 USDSale price $160.55 USD Regular priceUnit price / per -
FASS TITANIUM SERIES OPTIONAL ELECTRIC DIESEL FUEL HEATER KIT
Regular price $160.55 USDSale price $160.55 USD Regular priceUnit price / per -
FASS STK5500BO Diesel No Drop Fuel Sump Kit (Bowl Only)
Regular price $159.00 USDSale price $159.00 USD Regular priceUnit price / per -
FASS Adjustable Fuel Pressure Regulator
Regular price $141.55 USDSale price $141.55 USD Regular priceUnit price / per -
FASS Fuel Systems Drop-In Series, Electric Heater Element (DIFS32283R)
Regular price $118.75 USDSale price $118.75 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 -
H&S Motorsports 2017+ GM 6.6L L5P Billet Fuel Filter Housing
Regular price $115.00 USDSale price $115.00 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 -
FASS Fuel Systems WH-1006-3R Fuel System Wiring Harnesses
Regular price $109.00 USDSale price $109.00 USD Regular priceUnit price / per -
FASS Fuel Systems Filter Pack FP3000
Regular price $99.00 USDSale price $99.00 USD Regular priceUnit price / per -
FASS STK1003 Diesel Fuel 5/8 In Fuel Module Suction Tube Kit Includes Bulkhead Fitting
Regular price $94.05 USDSale price $94.05 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 Diesel Fuel 5/8 Suction Tube Kit With Bulkhead Fitting
Regular price $84.55 USDSale price $84.55 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 -
FASS CBK1001 Universal Heavy Duty Pickup Frame Clamp Bracket
Regular price $75.00 USDSale price $75.00 USD Regular priceUnit price / per -
Fleece Performance 23 Inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts FPE-34200-23
Regular price $74.00 USDSale price $74.00 USD Regular priceUnit price / per -
Fleece Performance 22 Inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts FPE-34200-22
Regular price $72.00 USDSale price $72.00 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 -
Fleece Performance 21 Inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts FPE-34200-21
Regular price $70.00 USDSale price $70.00 USD Regular priceUnit price / per -
Fleece Performance 20 Inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts FPE-34200-20
Regular price $68.00 USDSale price $68.00 USD Regular priceUnit price / per -
Fleece Performance 19 Inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts FPE-34200-19
Regular price $66.00 USDSale price $66.00 USD Regular priceUnit price / per -
Fleece Performance 18 Inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts FPE-34200-18
Regular price $64.00 USDSale price $64.00 USD Regular priceUnit price / per -
Fleece Performance 17 Inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts FPE-34200-17
Regular price $62.00 USDSale price $62.00 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 Replacement Fuel Injector Connector With Pigtail for L5P Duramax FPE-HAR-L5P-INJ-PT
Regular price $59.99 USDSale price $59.99 USD Regular priceUnit price / per -
Fleece Performance 15 Inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts FPE-34200-15
Regular price $58.00 USDSale price $58.00 USD Regular priceUnit price / per -
FASS Fuel Systems Filter Pack XL
Regular price $56.05 USDSale price $56.05 USD Regular priceUnit price / per -
Fleece Performance 14 Inch High Pressure Fuel Line 8mm x 3.5mm Line M14 x 1.5 Nuts FPE-34200-14
Regular price $56.00 USDSale price $56.00 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.