Genuine OEM Audi Coolant Hose with Coupling, part number 1T0121157P. This hose is designed to transport engine coolant efficiently between various components, playing a critical role in maintaining optimal engine operating temperature. It features integrated couplings for a secure and leak-free connection within the cooling system. Weighing 0.422 kg and measuring 0.345m in length, this genuine OEM hose ensures precise routing, material integrity, and resistance to temperature and pressure fluctuations, vital for preventing leaks and overheating.