Genuine OEM Volkswagen Coolant Hose Pipe, part number 5N0122157BM. This essential component is responsible for transporting coolant throughout the engine cooling system, maintaining optimal engine operating temperatures. It is integrated within the complex network of cooling lines. Weighing 0.2006 kg, this hose is constructed from durable materials designed to withstand high temperatures and pressures. Choosing genuine OEM ensures correct routing geometry, material resistance to coolant chemicals, and leak-free performance critical for engine longevity.