PureFlow AirDog FP-150-4G 1992-2000 Chevy Diesel - FP-150-4GThis is the AirDog I FP 150 4G fuel system for the 1992 2000 Chevy GMC 6. 5L Diesel. 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. The supply side is hooked up to the factory fuel line feeding the injection pump. The return is sent back to the tank through a filler neck tee. This is a 150GPH (Gallon Per Hour) lift pump system. Check out our