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The all NEW AFE DFS780 fuel system has a billet aluminum manifold, helical bronze spur gears, and direct bolt on hardware for easy install. The DFS780 was designed from the beginning to eliminate weaknesses found in other “fuel transfer” systems. aFe has spent almost four years engineering the best, most reliable system available. Depending on the specific application, aFe offers features such as boost-activated fuel flow increase, a reliable “marine grade” motor, a high-impact polycarbonate “sight glass” to visually check fuel conditions and Viton seals to name a few. See below for video!!
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.
AFE part numbers:
42-12033 - Relay controlled / Full-time operation
42-12034 - Boost controlled / Part-time operation
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