Genuine OEM SEAT Rear Roof Water Drain Hose, part number 5F3877233. This hose is specifically designed to channel water away from the vehicle's roof and sunroof assembly, preventing water from entering the cabin or causing damage to the vehicle's structure. It is located at the rear of the roof system. The flexible rubber construction ensures durability and proper routing. Genuine OEM hoses provide the correct dimensions and material resistance for reliable water drainage.