Genuine OEM Volkswagen Engine Coolant Hose, part number 7T0122157AE. This hose is designed to transport engine coolant efficiently, playing a critical role in regulating engine temperature. It connects to the radiator, forming part of the primary cooling circuit. Weighing 0.232 kg and measuring 0.44 m in length, this hose is engineered for precise fitment and durability. Using a genuine OEM hose ensures correct routing geometry, material resistance to heat and pressure, and a leak-free connection for reliable cooling system operation.