Genuine OEM Volkswagen Coolant Hose Assembly, part number 5Q0122051ER. This multi-branch hose is designed to connect various components within the engine's cooling system, facilitating the transfer of coolant. It ensures efficient heat exchange and maintains optimal engine operating temperatures. The assembly includes integrated couplings for secure and leak-free connections. Made from durable, heat-resistant rubber, this hose weighs approximately 0.36 kg. Using a genuine OEM coolant hose ensures correct routing geometry, resistance to temperature and pressure fluctuations, and long-term durability, preventing leaks and cooling system failures.