Genuine OEM Volkswagen Roof Drip Rail Molding, part number 17A8543275AP. This exterior molding is designed to channel water away from the roof and windshield, preventing it from entering the cabin or dripping onto side windows. It is positioned along the roof edge, near the A-pillar. Made from durable black material, this genuine OEM part ensures a precise fit and effective water management, critical for protecting the vehicle's interior and maintaining visibility.