Genuine VW/Audi Radiator Coolant Hose Cooler To Pipe - 1K0121157EP is a replacement radiator hose for Volkswagen and Audi vehicles. It is made of high-quality materials for durability and long-term performance. The hose is designed to direct coolant from the engine to the radiator to keep the engine running at optimal temperatures. It is an OEM part that meets the manufacturer's specifications for fit and performance.