Genuine OEM Audi Coolant Hose, part number 2K0122051. This essential component is designed to transport coolant efficiently throughout the engine cooling system, ensuring proper temperature regulation. It connects critical parts of the cooling circuit, such as the engine block and radiator. Weighing approximately 0.379 kg and measuring 0.444m in length, this hose is engineered for precise routing and durability. Using a genuine OEM hose guarantees correct material composition and resistance to high temperatures and pressures, preventing leaks and ensuring reliable engine cooling.