
Elevate your L5P Duramax 2020-2023 with the FASS DIFSL5P2001 Drop-In Series Diesel Fuel System. This cutting-edge fuel system is engineered for top performance and reliability. It features air separation technology for up to 10% increased fuel lubricity and extends the life of fuel injection components. The system also includes Extreme Water Separator technology, providing over 99% free and emulsified water separation and a 2 micron absolute filtration rating for optimal engine protection. As the only drop-in filtration system that maintains full functionality of the water-in-fuel sensor, it ensures seamless operation with no modifications needed. Trust FASS for unparalleled filtration and performance.
- Maximum Protection: 2 micron absolute filtration rating for superior engine safety.
- Enhanced Lubricity: Up to 10% increase, extending fuel injection component life.
- Easy Installation: Drop-in design requires no additional modifications.
- Water Separation: Over 99% free and emulsified water removal.
- Full Sensor Functionality: Retains water-in-fuel sensor capabilities.

Elevate your L5P Duramax 2020-2023 with the FASS DIFSL5P2001 Drop-In Series Diesel Fuel System. This cutting-edge fuel system is engineered for top performance and reliability. It features air separation technology for up to 10% increased fuel lubricity and extends the life of fuel injection components. The system also includes Extreme Water Separator technology, providing over 99% free and emulsified water separation and a 2 micron absolute filtration rating for optimal engine protection. As the only drop-in filtration system that maintains full functionality of the water-in-fuel sensor, it ensures seamless operation with no modifications needed. Trust FASS for unparalleled filtration and performance.
Maximum Protection: 2 micron absolute filtration rating for superior engine safety.
Enhanced Lubricity: Up to 10% increase, extending fuel injection component life.
Easy Installation: Drop-in design requires no additional modifications.
Water Separation: Over 99% free and emulsified water removal.
Full Sensor Functionality: Retains water-in-fuel sensor capabilities.[...]
Elevate your L5P Duramax 2020-2023 with the FASS DIFSL5P2001 Drop-In Series Diesel Fuel System. This cutting-edge fuel system is engineered for top performance and reliability. It features air separation technology for up to 10% increased fuel lubricity and extends the life of fuel injection components. The system also includes Extreme Water Separator technology, providing over 99% free and emulsified water separation and a 2 micron absolute filtration rating for optimal engine protection. As the only drop-in filtration system that maintains full functionality of the water-in-fuel sensor, it ensures seamless operation with no modifications needed. Trust FASS for unparalleled filtration and performance.
- Maximum Protection: 2 micron absolute filtration rating for superior engine safety.
- Enhanced Lubricity: Up to 10% increase, extending fuel injection component life.
- Easy Installation: Drop-in design requires no additional modifications.
- Water Separation: Over 99% free and emulsified water removal.
- Full Sensor Functionality: Retains water-in-fuel sensor capabilities.