Collection: 2017-2019 6.6L L5P Duramax Fuel System Upgrades
2017-2019 6.6L L5P Duramax Fuel System Upgrades
Maximize the performance and efficiency of your 2017-2019 6.6L L5P Duramax with our high-performance fuel system components. Whether you're looking to boost horsepower, improve fuel economy, or optimize fuel delivery for heavy towing and off-roading, our fuel system upgrades are designed to ensure...
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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 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 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 1/4 Inch NPT Hex Socket Plug Black FPE-NPT-14
Regular price $2.99 USDSale price $2.99 USD Regular priceUnit price / per -
Fleece Performance 1/8 Inch NPT Hex Socket Plug Black FPE-NPT-18
Regular price $2.99 USDSale price $2.99 USD Regular priceUnit price / per -
Fleece Performance 3/8 Inch NPT Hex Socket Plug Black FPE-NPT-38
Regular price $2.99 USDSale price $2.99 USD Regular priceUnit price / per -
S&S Diesel High-Performance Injectors for 2017+ Chevy/GMC L5P Duramax
Regular price From $3,707.60 USDSale price From $3,707.60 USD Regular priceUnit price / per -
S&S Diesel CP3 Fuel Injection Pump for 2001-2024 Chevy/GMC 6.6L Duramax
Regular price From $950.00 USDSale price From $950.00 USD Regular priceUnit price / per -
Exergy Performance 0-2700 Bar (39,100 PSI) Rail Pressure Sensor with Connector
Regular price $300.00 USDSale price $300.00 USD Regular priceUnit price / per -
Exergy Performance 2017+ L5P Duramax New Fuel Injectors – Set of 8
Regular price From $2,400.00 USDSale price From $2,400.00 USD Regular priceUnit price / per
2017-2019 6.6L L5P Duramax Fuel System Upgrades
Maximize the performance and efficiency of your 2017-2019 6.6L L5P Duramax with our high-performance fuel system components. Whether you're looking to boost horsepower, improve fuel economy, or optimize fuel delivery for heavy towing and off-roading, our fuel system upgrades are designed to ensure your Duramax runs at its peak, even under the toughest conditions.
Premium Fuel System Parts for 6.6L L5P Duramax
Our fuel system components for the 2017-2019 6.6L L5P Duramax include high-quality injectors, fuel filters, lift pumps, and other essential parts. These components work together to ensure the efficient flow of fuel, reduce engine strain, and improve combustion. With optimized fuel delivery, your truck will experience smoother acceleration, better throttle response, and enhanced power for both performance and towing.
Why Choose Our Fuel System Upgrades?
Upgrading your fuel system is crucial for maintaining optimal engine performance, particularly when pushing your Duramax to higher power levels. Our parts are engineered to handle the increased fuel demands of high-performance applications, towing, and off-roading. By ensuring consistent fuel flow and optimal combustion, these upgrades contribute to increased horsepower, improved fuel efficiency, and longer engine life. With these fuel system components, you can get the most out of your Duramax.
Key Features:
- Increased Power: Optimized fuel delivery ensures better engine performance and higher horsepower.
- Improved Fuel Efficiency: Components designed to enhance fuel atomization and reduce waste, improving mileage.
- Enhanced Durability: Built to handle demanding applications like heavy towing, off-roading, and high-performance driving.













