Genuine OEM Audi Coolant Hose, part number 5QF122051AJ. This hose is designed to transfer coolant efficiently between various engine components, playing a critical role in maintaining optimal engine temperature. It features a quick clutch connection for secure and leak-free installation within the cooling system. Weighing 0.331 kg, this hose is engineered to factory specifications. Using a genuine OEM hose ensures precise fitment, correct routing, and resistance to temperature and pressure fluctuations, preventing leaks and maintaining cooling system integrity.