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The AirDog II-5G A7SABD526 DF-165-5G Air/Fuel Separation System from XDP is the newest generation of fuel delivery systems for your 2004.5-2018 Dodge 5.9L/6.7L Cummins (Moderate To Extreme).

The AirDog II-5G is the first diesel Fuel Air Separation System to include an integrated diaphragm fuel pressure regulator. This regulator better fuel flow at pressure, allows for more fuel pressure adjustability, and can also be boost compensated. This system retains the same 4G motor technology that has proven itself to be a reliable, quiet operating system. It also features the "Demand Flow" of the older AirDog II variants. Demand Flow means whatever fuel the injection system does not use gets recirculated back through the filter base.

The wiring harness has been upgraded to 12-gauge from the battery all the way to the internal connections in the motor. A Metri-Pack 280 connector replaces the Deutch 2-pin connector which allows more current flow without creating excessive heat. To help keep the elements out, all other connectors in the harness utilize weather packs.

The AirDog II-5G offers protection and performance like no other lift pump. Their patented air separation, along with a water separator, and fuel filter makes sure the expensive components in your fuel injection system get all the clean fuel they can handle. This also helps overcome any loss of power due to driving, especially in higher altitudes with a factory fuel pump. Furthermore, this system improves engine performance by eliminating spray pattern disruption due to air entering the system. This allows the engine to keep its designed injection timing which allows a more complete burn of the fuel entering the cylinder. This increases overall engine efficiency across the power and torque range.

  • Low Flow Return For Reduced Aeration
  • Lifetime Limited Warranty
  • Demand Flow Design Recirculates Fuel Back Through The Filter Base
  • Includes Wiring, Plumbing, & Installation Hardware
  • Enhances Engine Efficiency
  • 12-Gauge Wiring Harness
  • Provides Better Fuel Flow At Pressure
  • 165 GPH Fuel Pump
  • Larger Ports Over Previous Pumps
  • Integrated Diaphragm Fuel Pressure Regulator
  • 4G Motor Technology Provides Reliable & Quiet Operation