This ASHIKA thermostat (part code 38-0S-S01) is designed to maintain your engine's ideal operating temperature. By precisely controlling the flow of coolant through the radiator, it prevents overheating and ensures efficient combustion. A properly functioning thermostat is vital for engine health. It helps the engine reach its optimal working temperature quickly after a cold start, reducing wear and improving fuel economy. When the engine reaches its operating temperature, the thermostat opens to allow coolant to circulate and dissipate heat. ASHIKA is known for producing reliable engine components. This thermostat is built to meet stringent quality standards, offering dependable performance and a long service life. Replacing a faulty thermostat can prevent serious engine damage and restore optimal cooling system function.