Pressure hose. SUPER CAB. W/HYDRO-BOOST. A flexible Hose, typically used on moving parts of a vehicle, which carries / delivers fluid to various components of the braking system. Hydroboost. Hydroboost to Hose. Return Hose for Power Steering. and Amplifier; tube Assembly. Brake Hydraulic. Line Assembly. Pipe. Power Steering pump outlet. Pressure. Reservoir.