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The aFe Power DFS780 diesel fuel system for GM 2011–2016 V8 6.6L LML trucks is a boost-activated unit engineered to remove contaminants such as air and water while helping maintain fuel pressure for the high-pressure pump. The DFS780’s patent-pending design aims to improve throttle response and horsepower availability across the rev range. Features include a clear polycarbonate sight glass, fuel pressure gauge port, and built-in protections for marine-grade use.
aFe Power DFS780 Series GM 11-16 Diesel Trucks V8-6.6L (td) Boost Activated 8-10PSI
