This ASHIKA thermostat, part number 38-04-402, is designed to maintain your engine's ideal operating temperature. It precisely controls the flow of coolant through the radiator, preventing overheating and ensuring efficient performance. 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 or too hot, both of which can cause significant damage and reduced performance over time. This ASHIKA unit provides reliable regulation for your vehicle's cooling system. Crafted with quality materials, this thermostat is built for durability and consistent performance. It is a direct replacement for the original part, ensuring a proper fit and function within your vehicle's cooling system.