Genuine OEM Volkswagen Coolant Hose, part number 5WA122101AG. This hose is crucial for transporting engine coolant, maintaining optimal operating temperatures. It connects to the expansion tank as part of the engine cooling system. Weighing 0.285 kg and measuring 0.41 m in length, this hose features the correct routing geometry and material resistance to coolant and heat, ensuring a leak-free and durable connection.