Genuine OEM Audi Coolant Hose With Coupling, part number 8W0122055N. This essential hose is designed to transfer coolant between various engine components, playing a critical role in regulating engine temperature. It features specific routing geometry and integrated couplings for secure connections. Weighing 0.5338 kg, it measures 0.58m x 0.22m x 0.085m. Opting for a genuine OEM coolant hose ensures resistance to high temperatures and pressures, correct routing, and durable material, which are vital for preventing leaks and maintaining efficient engine cooling.