Genuine OEM Audi Headlight Protective Cap, part number 4L0941159. This left-side cap is designed to shield the headlight assembly from damage, dust, and moisture, preserving the integrity of internal components. Made from durable black plastic, it measures approximately 17.5cm x 11.1cm x 4.6cm. Using a genuine OEM cap ensures a perfect fit and reliable sealing, critical for maintaining headlight performance and preventing premature failure.