Carquest Expansion Valves are designed to regulate the flow of refrigerant through the air conditioning system to provide optimal cooling to the passenger compartment. Each expansion valve is manufactured to original equipment specifications to perform its function even in the harshest climates. Each part is supplied with the necessary gaskets and o-rings for installation. Product Features: The bodies of these expansion valves are machined from a single block of aluminum or brass metal. Each expansion valve has settings for tonnage and superheat based on the vehicle specifications. Each expansion valve is tested for function and leakage according to OEM specifications to ensure optimal performance of the air conditioning system. O-Rings necessary for installation are included. Specifications Liquid Inlet: Yes Liquid Outlet: Yes Original Equipment Manufacturer Part Number: 80221SNAA01 O-Rings Included: Yes Refrigerant Type(s): R12 or R134a Suction Inlet: Yes Suction Outlet: Yes Type: Block Type