DFS780 Series Part-Time Diesel Fuel System (42-14012) by aFe®. The diesel fuel in your truck contains contaminants, water and air/vapor which is reducing power and damaging your diesel fuel injectors. Introducing the aFe POWER DFS780 Diesel Fuel System, with its patent-pending design capable of removing power-robbing entrained air, water and contaminants. The DFS780 also boosts fuel pressure ensuring constant availability for the high-pressure transfer pump, improving throttle response and horsepower at all RPMs. The DFS780 was designed from the beginning to eliminate weaknesses found in other "fuel transfer" system. aFe has spent almost four years engineering what they feel is the best, most reliable system available. Depending on the specific application, they offer features such as boost-activated fuel flow increase, a high-impact polycarbonate "sight glass" to visually check fuel conditions, a reliable "marine grade" motor and Viton seals to name a few.
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 Rubber Seals: Compatible with diesel and biodiesel fuels
Typical install is 2 hours
aFe® (Advanced Flow Engineering, Inc.) manufactures performance products for late model cars, light trucks and SUVs. The company was founded in 1999 with an initial concentration on high performance air filters. Since then, the company product line has broadened to include cold air intakes, fluid filters, exhaust systems, intake manifolds, intercoolers, programmers, differential covers, transmission pans and throttle body spacers. The team of engineers, machinists, production and sales people at aFe® have many years of experience in their respective positions, and together work to ensure they produce the best automotive products on the market.
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aFe® - DFS780 Series Part-Time Diesel Fuel System
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