The product is a used OEM Thermostat Assembly for Bentley vehicles, with part numbers 07D121111AN and 07D121111AD. Made in the United Kingdom, this thermostat comes with a 1-month manufacturer warranty. Designed by Bentley, this engine cooling component is essential for maintaining the temperature of the vehicle's engine. It is a genuine part manufactured by the same company as the vehicle, ensuring quality and compatibility. This thermostat assembly is a reliable and high-quality component for Bentley car owners looking to replace or upgrade their vehicle's cooling system.