The Mahle TX 34 87D Engine Coolant Thermostat is an OEM (Original Equipment Manufacturer) part designed specifically for Audi and VW vehicles. This thermostat helps regulate the engine's temperature to ensure optimal performance and prevent overheating. With the trusted Mahle brand and precise manufacturer part number, you can rely on this product to fit and function seamlessly in your vehicle. Upgrade your engine cooling system with this high-quality thermostat.