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The aFe POWER DFS780 Diesel Fuel System is a boost‑activated fuel pump assembly for GM 2017–2019 6.6L L5P diesel trucks that helps remove water, air and other contaminants from diesel fuel while raising fuel pressure to feed the high‑pressure pump. The unit includes features like a clear sight glass, contoured CNC manifold, fuel pressure gauge port and US‑built components to improve throttle response and fuel delivery reliability.
aFe Power DFS780 Series GM 2017 Diesel Trucks V8-6.6L (td) L5P Boost Activated 8-10PSI
