Genuine OEM Volkswagen Engine Coolant Hose, part number 7N0121156AN. This critical component is designed to transport engine coolant throughout the cooling system, helping to regulate engine temperature and prevent overheating. Its complex, multi-branched design ensures precise routing and connection within the engine bay. Weighing 0.587 kg and measuring 0.48m x 0.3m x 0.11m, it is manufactured to exact factory specifications. Using a genuine OEM coolant hose ensures proper fitment, resistance to temperature and pressure fluctuations, and long-term durability, preventing leaks and maintaining cooling system integrity.