FASS DIFSL5P2001 Drop-In Series Diesel Fuel System Duramax - for 2020-2023 GM Trucks

The FASS DIFSL5P2001 Drop-In Series Diesel Fuel System is engineered to deliver superior fuel filtration and flow for 2020-2023 GM trucks equipped with the 6.6L Duramax diesel engine. This complete fuel system upgrade replaces the factory fuel filter assembly and provides up to 200 gallons per hour of clean, air-free diesel fuel directly to your engine.

Key Features:

• Drop-in replacement design for quick, direct installation without modifications
• Dual filtration system removes contaminants down to 2 microns absolute
• Air/water separation technology eliminates air and moisture from fuel supply
• 200 GPH flow rate supports stock and modified engine applications
• Improves throttle response, fuel economy, and engine performance
• Reduces injector wear and extends engine component life
• Lifetime warranty on FASS pump assembly

The FASS Drop-In Series utilizes proven Fuel Air Separation System technology to ensure your Duramax receives only clean, pressurized fuel free of air vapor and contaminants. The system mounts in the factory location using existing mounting points and electrical connections, making installation straightforward for both professional installers and experienced DIY mechanics. Includes all necessary mounting hardware, fuel filters, and detailed installation instructions.