Genuine OEM Volkswagen Pinion And Crown Wheel, part number 2H0525143C. This gear set is located within the differential assembly, indicated by position 2 on the diagram. It reduces rotational speed and increases torque, enabling efficient power transfer to the wheels. The set includes the pinion and crown wheel, precision-engineered for optimal gear meshing and quiet operation. Genuine OEM manufacturing ensures the correct tooth profiles and material hardness for reliable performance and longevity.