Genuine OEM Volkswagen Coolant Hose, part number 5QF122073AJ. This hose is a critical component of the engine cooling system, responsible for transporting coolant between various parts of the assembly. It is located in the engine bay, connecting to the engine and radiator. Made from durable rubber and plastic materials. Genuine OEM parts are manufactured to exact specifications, ensuring proper flow and preventing leaks for optimal engine temperature regulation.