Fits: 2001 Thru 2016 Chevy Silverado/GMC Sierra 2500HD/3500HD LBZ/LLY/LBZ/LMM/LML Duramax Diesel

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.

Features:

• 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.

*CARB EO# D-550-37*