The HEPU TM1371 thermostat is a critical component of your vehicle's cooling system. Designed to regulate engine temperature, it opens and closes to allow coolant to flow through the radiator, preventing overheating. Proper functioning of the thermostat is essential for maintaining the engine's optimal operating temperature, which in turn affects fuel efficiency and engine longevity. A faulty thermostat can lead to either engine overheating or insufficient heating, both of which can cause significant damage. HEPU is known for producing reliable cooling system parts. This thermostat is built to meet or exceed original equipment specifications, ensuring a proper fit and dependable performance for your vehicle.