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FASS Drop-In Series Diesel Fuel System kits for 2017 through 2023 Ford 6.7L Powerstroke Super Duty diesel trucks are designed to protect your Powerstroke from all of the issues that can be caused due to fuel contamination. 6.7L Powerstroke fuel injection systems operate at high pressures and over time are prone to very costly failures if the fuel that runs through them has any contaminants. FASS Drop-In Systems remove 99% of the water from your diesel fuel as well as entrained air and debris down to 2 microns. It’s the best insurance you can buy for your truck’s fuel system for peace of mind reduced emissions and for improved performance. Key Features The only drop-in 6.7L Powerstroke filtration system that retains full functionality of the water-in-fuel sensor! The only drop-in 6.7L Powerstroke filtration system with air separation! Increases lubricity of the fuel by up to 10% by removing entrained air and air vapor. Extends the life of fuel injection system components by up to 3 times! Over 99% free and emulsified water separation with our Extreme Water Separator technology. 2 Micron absolute filtration rating. 100% drop-In no additional modifications needed. Retains the factory in-tank lift pump. Internal air separation passages for removing entrained air and air vapor. Electric heater options available for improved cold weather reliability. Optimizes Fuel Economy Please Note: The Drop-In Series for the Cummins was designed to mount in the OEM water separator location and may not work with oversized aftermarket fuel tanks. Please verify you have sufficient room to mount the FASS Drop-In Series Fuel System if you have an aftermarket fuel tank.