In-Tank Fuel Filter

Advanced Flow Engineering, Inc. (aFe) produces high flow, high performance air filters & intake systems for the automotive industry. Founded in April, 1999, aFe was created to address an obvious need in the automotive aftermarket industry: a lack of choice for a high performance aftermarket air filter. We are a team of engineers, machinists, production and sales people who believe in the product we design. We each have years of experience in our respective positions and together work to ensure that we have the best product on the market. Our purpose was not just to be another vendor that offers air filters, we chose to pay attention to those finer details that set an aFe filter apart from the competition. We currently offer aftermarket air filters for passenger cars, light trucks and SUVs. We also have many applications for round racing and universal clamp-on filters. To find your particular application, please use our new search engines. If you do not see your particular application listed, please contact us.

Product Overview

*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.

• OE Replacement
• Universal Fit

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Product Details

Reference Information

Fuel Filters, Pro GUARD D2, Cartridge Style, Stock Inlet/Outlet, Element, Replacement Filter for DFS780 Primary In-tank Fuel Systems, Each

Pro GUARD D2 fuel filters from aFe are designed to keep dirt, rust, and other contaminants from getting into your diesel engine. The direct fit filters and elements provide excellent filtration performance, compatibility, and durability to maintain clean fuel flow to your engine. Pro GUARD D2s are the best diesel-grade filters available, thoroughly tested to meet your expectations for flow management and function. Ensure absolute engine protection with aFe!