Genuine OEM Audi Rear Upper Bumper Guide, part number 4K5807890. This right-side component is specifically designed to guide and align the upper section of the rear bumper, ensuring it sits flush and securely against the vehicle body. Its precise engineering is critical for maintaining the bumper's aesthetic integration and structural stability. Manufactured from robust plastic, a genuine OEM guide ensures exact fitment and long-term durability, which is essential for body panel integrity.