Genuine OEM Volkswagen Coolant Hose, part number 5Q0122101BM. This flexible hose is a vital part of the engine cooling system, responsible for circulating coolant to maintain optimal engine operating temperatures. It connects various components within the cooling circuit. Weighing 0.131 kg with dimensions of 0.37m length, 0.07m width, and 0.045m height. Choosing a genuine OEM coolant hose ensures the correct material resistance to heat and chemicals, precise routing geometry, and durable connections for a reliable and leak-free cooling system.