Genuine OEM Volkswagen Engine Coolant Hose, part number 2H2121444A. This flexible hose is a vital component of the engine cooling system, responsible for circulating coolant between the engine, radiator, and other cooling system parts. It ensures efficient heat transfer to maintain optimal engine operating temperatures. Weighing 0.132 kg and measuring 0.75m in length, this hose is constructed from durable, heat-resistant materials. Using a genuine OEM coolant hose guarantees correct routing geometry, pressure resistance, and material compatibility with engine coolants, preventing leaks and ensuring the long-term integrity of the cooling system.