Update your semi with a seamless conversion of electrical energy into hydraulic pressure, with the Parker-Hannifin 2/4B NPT SRP 7/8" - 13T Hydraulic Pump that ensures you're Ready for the Road Ahead. To generate flow and disperse hydraulic fluid throughout a vehicle, this replacement pump converts electricity into pressure that cycles the fluid throughout. Built with an efficient gear design to rapidly transfer fluids such as water, fuel, and air. FleetPride is your First Click in Heavy Duty.