AFE DFS780 PRO Fuel System (Full Time Operation) 01-16 GM 6.6L Duramax
Ensure your Duramax is getting the cleanest, most consistent fuel delivery possible by upgrading with a DFS780 PRO Fuel Pump. This system will not only remove sediment and debris, but also water and air that reduces the overall efficiency of your engine.
This kit from AFE will include all of the necessary components to upgrade your engine for increased power, fuel economy, and even reliability.
Billet 6061-T6 Aluminum Manifold:
This kit from AFE will include all of the necessary components to upgrade your engine for increased power, fuel economy, and even reliability.
Billet 6061-T6 Aluminum Manifold:
- Eliminates porosity concerns with cast aluminum.
- Enhances flow through the manifold to reduce pressure drop due to flow restrictions.
- Heavy duty bracket easily mounts with supplied hardware.
- Protected against dust intrusion and powerful water jets.
- Bronze gears more forgiving of contaminants than steel gears. The Helical spur gear design runs quieter than straight cut gears.
- 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.
- Compatible with diesel and biodiesel fuels.
Product Information
Product Information
Shipping & Returns
Shipping & Returns








AFE DFS780 PRO Fuel System (Full Time Operation) 01-16 GM 6.6L Duramax
AFE DFS780 PRO Fuel System (Full Time Operation) 01-16 GM 6.6L Duramax
Ensure your Duramax is getting the cleanest, most consistent fuel delivery possible by upgrading with a DFS780 PRO Fuel Pump. This system will not only remove sediment and debris, but also water and air that reduces the overall efficiency of your engine.
This kit from AFE will include all of the necessary components to upgrade your engine for increased power, fuel economy, and even reliability.
Billet 6061-T6 Aluminum Manifold:
This kit from AFE will include all of the necessary components to upgrade your engine for increased power, fuel economy, and even reliability.
Billet 6061-T6 Aluminum Manifold:
- Eliminates porosity concerns with cast aluminum.
- Enhances flow through the manifold to reduce pressure drop due to flow restrictions.
- Heavy duty bracket easily mounts with supplied hardware.
- Protected against dust intrusion and powerful water jets.
- Bronze gears more forgiving of contaminants than steel gears. The Helical spur gear design runs quieter than straight cut gears.
- 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.
- Compatible with diesel and biodiesel fuels.
$242.40
Original: $808.00
-70%AFE DFS780 PRO Fuel System (Full Time Operation) 01-16 GM 6.6L Duramax—
$808.00
$242.40Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Ensure your Duramax is getting the cleanest, most consistent fuel delivery possible by upgrading with a DFS780 PRO Fuel Pump. This system will not only remove sediment and debris, but also water and air that reduces the overall efficiency of your engine.
This kit from AFE will include all of the necessary components to upgrade your engine for increased power, fuel economy, and even reliability.
Billet 6061-T6 Aluminum Manifold:
This kit from AFE will include all of the necessary components to upgrade your engine for increased power, fuel economy, and even reliability.
Billet 6061-T6 Aluminum Manifold:
- Eliminates porosity concerns with cast aluminum.
- Enhances flow through the manifold to reduce pressure drop due to flow restrictions.
- Heavy duty bracket easily mounts with supplied hardware.
- Protected against dust intrusion and powerful water jets.
- Bronze gears more forgiving of contaminants than steel gears. The Helical spur gear design runs quieter than straight cut gears.
- 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.
- Compatible with diesel and biodiesel fuels.



















