AFE Power Full Time Fuel Pump

Part# 42-14011

$1,004.00 Includes Free Shipping.

WARNING: Cancer and Reproductive Harm - www.P65Warnings.Ca.Gov

AFE Power Full Time Fuel Pump

Fits 2001-2016 Duramax 2500HD/3500HD

Part# 42-14011/42-14021

*CARB EO# D-550-37*

The AFE DFS780 Fuel System with full time operation offers a complete solution for all your 2001-2016 Duramax Fuel system issues. The fuel system in your truck contains numerous contaminants and debris including the water and Air vapors captured within. These contaminants are a direct correlation to your failing injectors. The AFE Fuel Pump features a patent-pending design capable of removing power robbing air, water, and contaminants. The AFE DFS780 provides constant support to your CP3/CP4 pump while improving throttle response and horsepower.


  • Clear High-Impact Polycarbonate Sight Glass, Allows visual inspection of fuel.
  • Helical Bronze Spur Gears, Bronze gears more forgiving of contaminants than steel gears. The helical spur gear design runs quieter than straight cut gears.
  • Billet 6061-T6 Aluminum Manifold, Eliminates porosity concerns with cast aluminum.
  • "Marine Grade" Motor, Protected against dust intrusion and powerful water jets.
  • 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.
  • Relay Controlled, The DFS780 is powered by your ignition and with the built-in bypass allows engine to run even if the DFS780 unit were to fail.
  • PEEK Bearing Wear Surfaces, The DFS780 spur gears ride on PEEK (Polyether Ether Ketone) bearing surfaces to reduce both noise and wear.
  • Contoured CNC Machining Of Manifold Passages, Enhances flow through the manifold to reduce pressure drop due to flow restrictions.
  • Direct Bolt-on Steel Mounting Bracket, Heavy duty bracket mounts to the frame and utilizes existing hole to secure.
  • Fuel Pressure Gauge Port, 1/8 NPT port allows customer to attach an external pressure gauge to monitor fuel pressure.
  • O.E Quality Viton Seals, Compatible with diesel and biodiesel fuels.
  • Built in the U.S.A.