Genuine OEM Volkswagen Water Radiator Hose, part number 2Q0122051R. This hose is designed to carry engine coolant to and from the radiator, facilitating the transfer of heat away from the engine. It is located on the left side, connecting to the radiator. Measuring 0.38 meters in length and weighing 0.424 kg, this genuine OEM hose is engineered with specific routing geometry and material resistance to high temperatures and coolant chemicals, ensuring reliable coolant flow.