aFe 42-12031 Fuel Pump DFS780 Series 05-10 cummins (full time operation)

Part Number: 42-12031

*Built-in Bypass For Stock Fuel System:

* Allows vehicle to run on stock fuel pump under light loads, reducing wear & tear on both the DFS780 and the stock high-pressure pump. *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 both the DFS780 and the stock lift pump.

*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.

  • Vendor: AFE
  • Type: Unknown Type

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