Genuine OEM Audi Coolant Hose, part number 8W0121101J. This flexible hose is an essential component of the engine cooling system, responsible for transporting coolant between various pipes and components, often near the radiator. It ensures efficient circulation to maintain optimal engine temperature. Weighing 0.114 kg and measuring 0.21m in length, this hose is engineered for specific bends and connections. Choosing genuine OEM ensures an exact fit, optimal flexibility, and superior resistance to heat, pressure, and corrosive coolant chemicals.