Genuine OEM Volkswagen Sunroof Water Drainage Hose, part number 5H9877203A. This essential hose is responsible for collecting and directing rainwater and wash water away from the sunroof assembly. It is positioned at the rear of the sunroof system, ensuring proper drainage to prevent water ingress into the vehicle's interior. Weighing approximately 0.172 kg, this hose is lightweight and flexible. Choosing a genuine OEM drainage hose guarantees the correct material composition, diameter, and routing geometry for effective, long-term water management and protection against leaks.