Genuine OEM Audi Heater Core Hose, part number 1K0122157HP. This flexible hose is responsible for circulating engine coolant to the heater core, enabling the vehicle's heating system. It is designed with specific bends and connections for proper routing and secure fitment. Weighing 0.191 kg, this hose ensures efficient coolant flow. Using genuine OEM hoses guarantees the correct material composition and heat resistance, preventing leaks and ensuring consistent cabin comfort.