ACDelco GM Original Equipment A/C Refrigerant Liquid Hoses connect the condenser outlet to the expansion valve or orifice tube and are GM-recommended replacements for your vehicle’s original components. The liquid hose or line carries liquid refrigerant from the condenser toward the evaporator. This original equipment A/C refrigerant liquid hose has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.