This GATES TH65195G1 thermostat is designed to regulate your engine's coolant temperature, ensuring it operates within the optimal range. Proper temperature regulation is crucial for engine efficiency, fuel economy, and longevity. This thermostat controls the flow of coolant to the radiator, opening and closing as needed to maintain the desired operating temperature. Manufactured by GATES, a trusted name in automotive parts, this thermostat provides reliable performance and durability.