This is the AirDog I FP-100-4G fuel system for the 2004.5-2018 Dodge Ram with the Common Rail Cummins. This diesel lift pump mounts to the frame rail using the supplied sandwich plate mounting system. A 1/2" draw straw is used to pull fuel from the tank, Bypassing the factory fuel pump. The pressure side connects directly to the CP3 injection pump, bypassing the factory fuel filter housing. The AirDog Air/Vapor return is sent back to the tank through a filler neck tee. This is a 100GPH (Gallon Per Hour) lift pump system. Check out our installation manual for a list of parts that are included with this kit.