Genuine OEM Volkswagen Rear Upper Left Wishbone Arm, part number 4M0505397R. This crucial suspension component connects the wheel hub to the vehicle frame, allowing for controlled vertical movement while maintaining proper wheel alignment. It is positioned on the rear, upper, left side of the vehicle. Weighing 1.124 kg, this genuine OEM wishbone arm ensures precise suspension geometry and durability, critical for vehicle handling and ride comfort.