Genuine OEM Volkswagen Coolant Hose, part number 7E0819320B. This hose is designed to transport coolant between various components within the engine cooling system, facilitating heat exchange and maintaining optimal engine operating temperatures. It is typically found connecting parts of the heater or auxiliary cooling circuit. Weighing 0.0772 kg and measuring 0.23m in length. Using a genuine OEM hose ensures correct routing geometry, material resistance to coolant and temperature, and leak-proof connections for reliable performance.