This product is a genuine Audi engine coolant hose with part number 079121107AF. It is designed to be used in Audi vehicles to transport coolant from the engine to the radiator. The hose is made of high-quality materials to ensure durability and optimal performance. It is an essential component in the cooling system of the engine, helping to regulate the temperature and prevent overheating. This genuine Audi engine coolant hose is a reliable and long-lasting option for maintaining the proper functioning of your vehicle's cooling system.