Fitment Notes: 2019-2021 Dodge Cummins 
The Pureflow AirDog II-5G A7SABD530 DF-220-5G Air/Fuel Separation System is the newest generation in fuel delivery systems for your 2019-2021 Ram 6.7L Cummins. The 5G is engineered to be the most efficient, longest lasting, and quietest lift pump system AirDog has to offer.
The AirDog II-5G demand flow design allows the pump to only send the necessary amount of fuel to the engine The 5G features a 4-bearing motor with an intermediate shaft that reduces pump noise and improves reliability.A dual feed design supplies fuel to both sides of the gerotor pump to decrease air bubbles and cavitation.
The 5G system features larger 3/4-16 O-ring boss inlet and outlet ports. A 7/16-20 (-4) low-flow return is used to prevent aeration in the fuel being sent to back to the tank. The 5G utilizes a diaphragm style fuel pressure regulator allowing the pump to be boost referenced and adjusted from 7-70 PSI. 
AirDog II-5G Features:
220 GPH Pump
4 Bearing Motor with Intermediate Shaft
Larger Ports Over Previous Pumps
Diaphragm Fuel Pressure Regulator
Demand Flow Design
Reduced Aeration From Low Flow Return
Relay Control Wiring Harness
All Required Fuel Fittings
All Require Fuel Lines
Mounting Brackets and Hardware
Installation Manual