The aFe POWER DFS780 full-time diesel fuel system for 2011–2016 Ford V8 6.7L trucks is a filtration and fuel-delivery module that removes water, air and debris while maintaining steady fuel pressure. aFe's patent-pending DFS780 design is described as protecting injectors and ensuring constant pump supply to improve throttle response and horsepower delivery throughout the rpm range.
aFe Diesel Fuel Systems DFS780 Series 11-16 V8-6.7L Ford Diesel (Full Time Operation 8-10PSI)