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AFE DFS780 Boost Activated Fuel System - LML Duramax 2011-2016

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Your Price: $835.05
Part Number: afe42-14022
Availability: Usually Ships in 24 Hours
California CARB Notice
California Restricted
Warranty 2 Years

AFE 42-14022 DFS780 Boost Activated Fuel System Upgrade

The AFE LML Duramax boost activated fuel system is a high quality aftermarket lift pump fuel system. Provides 187GPH at 8-10psi. Support over 1000HP. Built in the USA Simple installation in under 2 hours.
  • Built-in Bypass For Stock Fuel System: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.
  • 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.
  • Boost Activated Pump Engagement:Supplied preset boost switch activates pump only under load, reducing wear & tear on the DFS780.
  • 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.

Note: This system is not currently CARB exempt and is not available for sale in California or for use on any vehicle registered with the California Department of Motor Vehicle

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