This ASHIKA thermostat (part code 38-0H-H01) is designed to maintain your engine's ideal operating temperature. By controlling the flow of coolant through the radiator, it prevents overheating and ensures the engine performs efficiently. A properly functioning thermostat is crucial for consistent engine performance and can contribute to better fuel economy. It opens and closes based on coolant temperature, allowing the engine to reach its optimal working range quickly and stay there. ASHIKA is a recognized brand for quality engine components. This thermostat is built to meet or exceed original equipment specifications, providing a reliable solution for your cooling system needs.