Genuine OEM Skoda Rear Water Drain Hose, part number 5E9877203A. This hose is designed to channel water that collects in the sunroof drainage system away from the vehicle's interior and body structure. It connects to the sunroof frame and routes water to an appropriate drainage point, typically underneath the vehicle. Proper functioning of this hose prevents water ingress and potential damage to the cabin or body panels. Genuine OEM parts offer the correct length, diameter, and material flexibility for reliable water management and long service life.