aFe Power DFS780 Series full-time diesel fuel system for 2011–2016 GM 6.6L V8 (LML) trucks removes contaminants such as air, water and debris while boosting fuel pressure to ensure constant delivery to the high-pressure pump. The system improves throttle response and power across the RPM range and includes durable components like helical spur gears, marine-grade motor and a clear sight glass.
aFe Diesel Fuel Systems DFS780 Series 11-16 GM Diesel 6.6L V8(td) Full Time Operation 8-10PSI