ACDelco GM Original Equipment A/C Expansion Valve Hardware Kits contain the necessary components to install an A/C expansion valve into your vehicle’s air conditioning system. The kits typically include the fasteners, seals, and gaskets needed for replacing the expansion valve, all of which are GM-recommended replacements for your vehicle’s original components. This original equipment A/C expansion valve hardware kit has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.