ACDelco GM Original Equipment A/C Evaporator Hoses carry the liquid refrigerant from the outlet of the condenser to the inlet of the evaporator. The hoses are chemical-resistant and have hydraulically crimped fittings. The hoses may include service ports depending on application and are specifically designed for service equipment and the particular refrigerant used. This original equipment evaporator hose is a GM-recommended replacement for your vehicle's original components and has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.