This MAHLE thermostat (part code TM 28 87) is designed to regulate your engine's operating temperature, ensuring it performs efficiently and avoids overheating. Proper temperature regulation is crucial for fuel economy, emissions control, and the longevity of your engine components. A malfunctioning thermostat can lead to either an engine running too cold or too hot, both detrimental to performance and durability. Crafted with MAHLE's commitment to quality, this thermostat provides a reliable solution to maintain your vehicle's cooling system integrity. It is engineered to meet stringent performance standards, offering consistent and dependable operation.