Genuine OEM Volkswagen Coolant Hose, part number 7E0122051E. This vital component is responsible for circulating engine coolant, transferring heat away from the engine to maintain optimal operating temperatures and prevent overheating. It connects various components within the engine cooling system. Made from durable EPDM rubber, this hose is designed to withstand high temperatures and pressures, weighing approximately 0.174 kg and measuring 0.17 m in length. Choosing a genuine OEM coolant hose ensures the correct internal diameter, precise bends for proper routing, and resistance to degradation from engine fluids, preventing leaks and ensuring long-term reliability of the cooling system.