This HEPU TM1051 thermostat is designed to maintain your engine's optimal operating temperature. By controlling the flow of coolant, it prevents overheating and ensures efficient performance. Proper functioning of the thermostat is crucial for engine longevity and fuel economy. A faulty thermostat can lead to either an engine running too cold or too hot, both of which can cause significant damage over time. HEPU is known for producing reliable cooling system components. This thermostat is built to meet or exceed original equipment specifications, providing a dependable solution for your vehicle's cooling needs.