AirDog R4SBD348 Raptor Pump RP-4G-100 For 1989-1993 Dodge Cummins Upgrade the fuel system in your 1989-1993 Dodge 5.9L Cummins with the PureFlow AirDog R4SBD348 Raptor 4G 100GPH Pump. The Raptor 4G improves fuel flow giving you the ability to support...