2017 6.6L L5P Duramax AFE DFS780 Fuel System


2017 L5P 6.6L Duramax AFE DFS780 Fuel System


2017 6.6L Duramax L5P AFE DFS780 Fuel System

AFE # 42-14024 – Boost Activated

AFE # 42-14023 – Full Time Operation


  • Clear high-impact polycarbonate sight glass for visual inspection of fuel
  • Helical spur gears runs quieter than straight cut gears
  • “Marine Grade” motor protects against dust and water
  • 187 GPH @ 8-10 psi Flow Rating
  • Contoured CNC manifold enhances flow
  • Fuel pressure gauge port
  • O.E. quality Viton Seals
  • Typical install is 2 hours
  • Built in the U.S.A.

Plug & Play Installation:
Supplied harness attaches directly to battery and utilizes Deutsch weather-proof connectors. No cutting or modifications of the stock fuel lines required. Vehicle can easily be returned to stock.

Additional information

Weight 12 lbs
Select Model

Boost Activated DFS780, Full Time Operation DFS780