Genuine OEM Audi Front Sunroof Water Drain Hose, part number 4E0877201. This hose is designed to effectively channel rainwater and other moisture away from the sunroof assembly, preventing water ingress into the vehicle's interior. It is positioned at the front of the sunroof drainage system. Weighing 0.202 kg, this hose features specific routing and material properties for durability. Opting for genuine OEM ensures the correct length, diameter, and flexibility for proper water drainage and long-term protection against leaks.