Genuine OEM Volkswagen Engine Coolant Hose, part number 1C0121086S. This hose assembly is crucial for transporting coolant within the engine cooling system, maintaining optimal engine operating temperatures. It is a flexible rubber component designed for durability and precise routing. Weighing 0.15 kg, this hose is manufactured to exact factory specifications. Using genuine OEM hoses ensures correct routing geometry, resistance to engine fluids, and long-term reliability for the cooling system.