Genuine OEM Audi Sunroof Water Drain Hose, part number 8W9877203A. This hose is a critical component for managing water runoff from the sunroof assembly, preventing water ingress into the vehicle's interior. It is specifically designed for the rear position, ensuring proper routing and drainage. Weighing 0.119 kg and measuring 0.29 meters in length, this hose is manufactured to exact factory specifications. Choosing a genuine OEM hose ensures precise fitment, correct material composition for durability against environmental factors, and reliable long-term performance in maintaining a dry interior.