Genuine OEM Audi Metal Rubber Pad, part number 4E0399151DG. This component acts as a vibration damper, typically used in transmission or engine mounts. It is designed to absorb and isolate vibrations generated by the drivetrain, contributing to a quieter and more comfortable cabin experience. This specific pad is located as part of the transmission mounting system. Genuine OEM parts ensure the correct durometer (hardness) of the rubber and the precise dimensions of the metal components for effective vibration damping and long service life.