2011-2016 Chevrolet Silverado 2500 HD -DFS780 Fuel System - Full-time Operation

Part#:
42-14021
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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.

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.

Emissions Disclaimer:
Some or all of the applications listed are 50-state exempt, please see CARB EO# D-550-37 for details.
  • Instructions


  • Vehicle Applications

    Year Make Model SubModel Engine Fuel
    2011-2016Chevrolet Silverado 2500 HD Duramax V8 6.6L (td) Diesel
    2011-2016Chevrolet Silverado 3500 HD Duramax V8 6.6L (td) Diesel
    2011-2016GMC Sierra 2500 HD Duramax V8 6.6L (td) Diesel
    2011-2016GMC Sierra 3500 HD Duramax V8 6.6L (td) Diesel
More Information
Weight17.00 lbs
Parent Product TypePerformance Upgrades
Product TypesFuel Pumps
BrandAdvanced Flow Engineering
MakeChevrolet
ModelSilverado HD
Year2011, 2012, 2013, 2014, 2015, 2016