This MAHLE thermostat, part number TM 79 97, is designed to maintain your engine's optimal operating temperature. By precisely controlling the flow of coolant, it ensures efficient engine performance and helps prevent overheating. Proper temperature regulation is crucial for fuel efficiency and reducing emissions. This thermostat is built with durable materials to provide reliable service life under demanding engine conditions. Installation of this thermostat will help ensure your vehicle's cooling system functions as intended, contributing to overall engine health and longevity.