This DENSO DTM70696 thermostat is designed to regulate the flow of coolant within your vehicle's engine, maintaining the optimal operating temperature. Proper functioning of the thermostat is crucial for engine efficiency, fuel economy, and preventing overheating. It opens and closes to allow coolant to circulate through the radiator as needed, based on the engine's temperature. DENSO is a leading manufacturer of automotive components, known for their quality and reliability. This thermostat is built to meet or exceed original equipment specifications, ensuring a proper fit and dependable performance.