Upgrade your engine cooling system with this high-quality febi bilstein engine coolant thermostat. This thermostat comes with a housing and sensor, and is made of OE standard material for optimal performance. It also features durability and 100% leak testing, as well as electrically assisted features for better control. Compatible with a variety of models, including those with superseded part numbers 2722000015, 2722000115, and 2722000415, this thermostat is backed by a manufacturer warranty for added peace of mind. Made in Germany with precision engineering, this performance part is sure to enhance your engine's operation.