Genuine OEM Volkswagen Bulb, part number N10251002. This bulb functions as a light source, converting electrical energy into visible light for automotive illumination. It is located at position 6 on the diagram. The bulb measures 0.048m in length, 0.025m in width, and 0.025m in height. Genuine OEM bulbs are manufactured to precise specifications for correct beam pattern and longevity.