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AFE Power DFS780 05-10 Cummins Diesel Fuel System Full-Time Operation PN#42-12031

Cummins 5.9L/6.7L (TD)
Was: $1,098.50
Sale: $760.50
Save: 31%
Save: $338.00

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• Clear high-impact polycarbonate sight glass for visual inspection of fuel
• Helical Spur Gears runs quieter than straight cut gears
• "Marine Grade" motor protects against dust and water
• Contoured CNC manifold enhances flow
• Fuel pressure gauge port
• O.E. quality Viton Seals
• Typical install is 2 hours
• Built in the U.S.A.

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 can be run independently or in parallel with the stock fuel 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.


  • AFE-42-12031
  • AFE-42-12031
  • AFE
  • New

Shipping Information

  • Item Requires Shipping
  • 38.0 lbs.
  • W11.0000” x H8.0000” x L19.0000”
  • FREE Ground Shipping

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