Genuine OEM VAG Anti-Vibration Mass, part number 0BC525526D. This component is designed to absorb and dampen vibrations generated by the drivetrain, contributing to a smoother and quieter driving experience. It is typically mounted to the differential housing. This part weighs approximately 0.53 kg. Genuine OEM parts are manufactured to exact specifications, ensuring proper balance and vibration dampening characteristics crucial for drivetrain longevity.