Air Conditioner Steel Engine Coolant Thermostat with Gasket OEM KL01-15-171 KL01-15-171A for 323 626 Cx-5 Cx7 This coolant thermostat is designed for use in air conditioning and engine cooling systems.It features a steel construction and includes a gasket for secure installation.The unit is engineered to fit models requiring OEM part numbers KL01-15-171 and KL01-15-171A.It is compatible with certain 323, 626, Cx-5, and Cx7 applications. This product is not affiliated with the manufacturer.Brand mentions are used for compatibility indication.