4.0 LITER. Pressure switch. A safety Switch that monitors the Pressure of the refrigerant. A/C Safety Switch. Exc.Auxiliary A/C. High Pressure Cut Off. Air CONDIT. System - V. valve. Air Conditioning (A/C) Safety. Clutch CYCLING. High -. HVAC. Included with: AC line, AC tube, Condenser, Dehydrator assembly, Front AC hose, Front AC tube, Front Pressure hose, Pressure tube, Tube assembly, Upper A/C hose.