Genuine OEM Audi HVAC Heater Hose, part number 1K0122157KE. This flexible hose is a critical component of the heating and ventilation system, responsible for safely transporting hot coolant from the engine to the heater core. It ensures the efficient transfer of heat to warm the vehicle's cabin. The hose features integrated heat shielding for enhanced durability and protection against engine bay temperatures. Weighing approximately 0.23 kg, it is designed for precise routing. Using a genuine OEM heater hose guarantees correct material composition, resistance to high temperatures and pressure, and accurate connection points, preventing leaks and maintaining optimal climate control performance.