Genuine OEM Volkswagen Engine Coolant Hose, part number 4M0145947M. This essential hose is responsible for transporting engine coolant, playing a vital role in maintaining the engine's operating temperature and preventing overheating. It features a specific molded shape and includes a mounting clip for precise routing within the engine bay. Constructed from high-quality, heat-resistant rubber and reinforced for durability, it withstands the pressures and temperatures of the cooling system. Using a genuine OEM hose ensures the correct material composition, internal diameter, and routing geometry for leak-free and efficient coolant flow.