Genuine OEM Audi Coolant Pipe, part number 4KE121081G. This pipe is crucial for transporting coolant throughout the engine cooling system, maintaining optimal engine temperature. It is a rigid component within the coolant circulation path. Weighing approximately 0.047 kg, this pipe is designed for precise routing and connection. Choosing genuine OEM ensures the correct routing geometry and material resistance to coolant, preventing leaks and maintaining system integrity.