Genuine OEM Volkswagen Coolant Hose, part number 7M3122073BH. This hose is vital for circulating engine coolant, maintaining optimal operating temperatures and preventing engine damage from overheating. It forms a connection between specific components within the engine cooling system. Weighing approximately 0.05 kg and with a length of 0.31 meters, this hose is designed for precise routing. Using a genuine OEM coolant hose ensures the correct material composition, flexibility, and resistance to thermal cycling for long-term reliability and leak-free performance.