The ASHIKA 38-0H-H12 thermostat 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. Proper functioning of the thermostat is vital for fuel economy and reducing emissions. A faulty thermostat can lead to either an engine running too cold, which increases wear and fuel consumption, or overheating, which can cause severe engine damage. This ASHIKA thermostat is built with quality materials to provide reliable performance and durability. It is a direct replacement for the original part, ensuring a proper fit and function in compatible vehicles.