Genuine OEM Audi Coolant Hose, part number 7E0122101H. This hose is an integral part of the engine cooling system, responsible for circulating coolant between various components like the radiator and engine block to maintain optimal operating temperatures. It is positioned to connect key cooling system elements. Weighing 0.125 kg and measuring 0.17 m in length, this hose is constructed from durable, heat-resistant materials. Choosing a genuine OEM coolant hose guarantees the correct routing geometry, pressure resistance, and material composition, preventing leaks and ensuring the longevity of the cooling system.