This is the AirDog® II-5G DF-100-5G fuel system for the 1992-2000 Chevy/GMC 6.5L Diesel. This fuel system replaces your factory low pressure frame rail mounted pump. This diesel lift pump mounts to the frame rail using the supplied sandwich plate mounting system. The suction side of the AirDog® hooks up to the factory suction line. The pressure side connects directly to the factory injection pump feed line on the frame. 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. The PureFlow AirDog® universal fuel sump helps aid aftermarket fuel systems by utilizing gravity to pull fuel from the tank. Our redesigned sump has both a suction and return port! We integrated a dual o-ring seal to prevent leaks! The installation of our fuel sump eliminates the common 1/4 tank suction issue associated with a draw straw-style fuel pickup. This sump is manufactured in America using corrosion resistant components. Fuel System Features: Larger Ports Over Previous Pumps Increases Engine Efficiency Provides Better Fuel Flow At Pressure Reliable & Quiet 5G Technology 12-Gauge Wiring Harness Low Flow Return For Reduce Aeration Integrated Diaphragm Fuel Pressure Regulator Demand Flow Design 100 Gallons Per Hour Sump Features: Can be Installed Without Dropping the Fuel Tank Eliminate 1/4 Tank Problems Feed and Return Port Uses Corrosion Resistant Components Installation Takes Less Than an Hour Dual O-Ring Seal Fitment: 1992-2000 GM 6.2L/6.5L Detroit Diesel Included: AirDog II 5G 100 GPH Fuel Pump AirDog Fuel Sump Fuel Filter Water Separator Wiring Harness Fuel Lines & Fittings Brackets All Mounting Hardware Notes: Limited Lifetime Warranty Not For Sale Or Street Use In California