Fits: 2001 thru 2010 Chevy Silverado/GMC Sierra 2500HD/3500HD LB7/LLY/LBZ/LMM Duramax Diesel

The AFE DFS780 Fuel System with full time operation offers a complete solution for all your 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 support to your CP3/CP4 when higher fuel is demanded.

Features:

• Boost Activated Pump Engagement , supplied preset boost switch activates pump only under load, reducing wear & tear on the DFS780.

• Clear high-impact polycarbonate sight glass for visual inspection of fuel

• Helical bronze spur gears runs quieter than straight cut gears

• Bronze gears more forgiving of contaminants than steel gears

• The DFS780 spur gears ride on PEEK (Polyether Ether Ketone) bearing surfaces to reduce both noise and wear.

• Billet 6061-T6 Aluminum Manifold, eliminates porosity concerns with cast aluminum

• "Marine Grade" motor protects against dust intrusion and powerful water jets

• 187 GPH @ 8-10 psi Flow Rating

• Contoured CNC manifold enhances flow through the manifold to reduce pressure drop due to flow restrictions.

• Built in bypass, allows vehicle to bypass the DFS780 pump under light loads, reducing wear & tear on the DFS780. Also allows engine to run even if the DFS780 unit were to fail.

• 1/8" NPT Fuel pressure gauge port allows customer to attach an external pressure guage to monitor fuel pressure.

• O.E. quality Viton Seals, compatible with diesel and biodiesel fuels.

• 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.

• Direct Bolt-on Steel Mounting Bracket, heavy duty bracket mounts to the frame and utilizes existing hole to secure.

• Built in the U.S.A.

  
  

*CARB EO# D-550-37*