The MAHLE TM 28 87 coolant thermostat is engineered to maintain your engine's ideal operating temperature. By precisely controlling the flow of coolant, it prevents overheating and ensures efficient performance. Crafted with durable materials, this thermostat is built to withstand the demanding conditions of the engine bay. Its robust construction guarantees longevity and consistent performance over time. Proper functioning of the thermostat is crucial for fuel efficiency and reducing emissions. Replacing a faulty thermostat with the MAHLE TM 28 87 can help restore optimal engine performance and protect against potential engine damage.