Genuine OEM Audi Coolant Hose Assembly, part number 5Q0122101BP. This multi-branched hose assembly is a vital component of the engine cooling system, responsible for transporting coolant between various engine components and connecting to the radiator. It ensures efficient heat dissipation and maintains optimal engine operating temperature. Made from durable, heat-resistant rubber with integrated couplings, it is designed for precise routing and secure connections. Weighing 0.574 kg, this assembly is manufactured to exact factory specifications. Choosing a genuine OEM coolant hose ensures correct routing geometry, material resistance to coolant chemicals, and reliable performance under high temperatures and pressures, preventing leaks and overheating.