Genuine OEM Audi Coolant Hose, part number 5C0122447D. This flexible hose is a critical component of the engine cooling system, responsible for circulating coolant between the radiator and other engine components. Its specific routing and material composition are designed to withstand high temperatures and pressures. Weighing approximately 0.11 kg, this genuine OEM hose ensures precise routing geometry and resistance to cooling system fluids, preventing leaks and maintaining optimal engine temperature.