Genuine OEM Volkswagen Engine Coolant Hose, part number 3C0819374C. This hose is responsible for transporting engine coolant, playing a critical role in regulating engine temperature and preventing overheating. It is part of the engine cooling system, connecting various components to facilitate coolant flow. Weighing 0.107 kg and measuring 0.27 meters in length, this hose is designed for durability. Using a genuine OEM coolant hose ensures proper material resistance to heat and pressure, correct routing geometry, and leak-free performance for engine longevity.