Lines and fittings are included to connect the injection pump return, which would normally recirculate through the factory fuel filter housing, to the injector return line and is returned to the tank. Fass vs AirDog ★ September 2020 - UPDATED Real Comparison AirDog II 4G 2001-10 Duramax DF-165-4G Air/Fuel Separation System... The AirDog Air/Vapor return is sent back to the tank through a filler neck tee. This diesel lift pump mounts to the frame rail using the supplied sandwich plate mounting system. The PureFlow AirDog A4SPBD000 100GPH Air/Fuel Separation System for your 1994-1998 Dodge 5.9L Diesel provides the most effective technology designed specifically for diesel pickups to remove water, particulates, vapor and entrained air from diesel fuel This is a 100GPH (Gallon Per Hour) lift pump system. Airdog (a4spbd000) Fuel Air Separation System For 4 AirDog A4SPBD004 150GPH Air/Fuel Separation System 1998.5 - 2004 Dodge | Diesel Performance Texas Dodge Cummins Fuel System Check out our installation manual for a list of parts that are included with this kit., Made in China , Package Dimensions:19., 0 Lx19., 0 Hx13., 0 WInches