Genuine OEM Volkswagen Engine Cooling Hose, part number 1K0121156BJ. This hose is a critical component of the engine cooling system, responsible for carrying coolant to regulate engine temperature. It is designed with specific bends and connections to ensure proper routing within the engine bay. Weighing 0.214 kg, this hose is constructed from durable materials to withstand high temperatures and pressures. Choosing a genuine OEM cooling hose ensures the correct material composition, precise shape, and resistance to coolant chemicals, preventing leaks and maintaining optimal engine performance.