Genuine OEM Volkswagen Vibration Damper, part number 038105243. This component is designed to absorb torsional vibrations generated by the engine's crankshaft, smoothing out power delivery and reducing stress on the drivetrain. It is mounted to the crankshaft. Genuine OEM vibration dampers are critical for reducing engine noise, vibration, and harshness (NVH), and for protecting the crankshaft and other drivetrain components from excessive wear.