Genuine OEM Volkswagen Engine Coolant Hose, part number 7N0122157AH. This hose is designed to carry coolant efficiently to and from various engine components, playing a critical role in maintaining optimal engine operating temperature. It is an integral part of the engine cooling system. Weighing 0.383 kg, this hose measures 0.42m in length. Choosing a genuine OEM hose ensures the correct routing geometry, material composition, and resistance to engine fluids and temperatures for reliable, leak-free performance.