Genuine OEM Volkswagen Engine Coolant Hose, part number 2H2121073. This critical component is designed to transport engine coolant, playing a vital role in maintaining optimal engine operating temperatures. It is integrated within the engine cooling system. Weighing 0.25 kg and measuring 0.45 m in length, this hose is engineered for precise fitment and fluid resistance. Choosing a genuine OEM coolant hose guarantees correct routing geometry, material integrity, and resistance to thermal cycling and pressure.