Genuine OEM Audi Quick Release Coolant Hose, part number 9J1122058. This hose is a vital component of the engine cooling system, responsible for circulating coolant between various engine components to regulate operating temperature. Its quick-release design facilitates easier installation and removal during service. Weighing 0.438 kg, this hose measures 0.35 m in length. Using a genuine OEM coolant hose ensures correct routing geometry, material resistance to heat and pressure, and reliable, leak-free performance critical for engine longevity.