Genuine OEM Volkswagen Engine Coolant Hose, part number 7N0122157AG. This vital component is responsible for circulating engine coolant, facilitating heat transfer and maintaining the engine's optimal operating temperature. It connects various components within the engine cooling system. Weighing 0.622 kg and measuring 0.53 meters in length, it is designed for specific routing and pressure resistance. A genuine OEM coolant hose ensures proper material composition for heat and chemical resistance, preventing leaks and ensuring the longevity of the cooling system.