Genuine OEM Volkswagen Sunroof Water Drain Hose, part number 5C6877231. This hose channels water away from the sunroof opening, preventing water ingress into the cabin. It is located at the front of the sunroof assembly. Weighing 0.079 kg and measuring 0.945 m in length, this hose features the correct routing geometry and fluid resistance for reliable, long-term performance.