Genuine OEM Audi Headlight Cover Cap, part number 4K0941159A. This cap is designed to seal a specific opening within the left-side headlight assembly, preventing the ingress of dust, dirt, and moisture. It is crucial for protecting sensitive internal headlight components and maintaining optimal light output. Positioned on the rear of the left headlight, it ensures a secure and tight closure. Made from durable materials, it withstands environmental exposure and temperature changes. Using a genuine OEM cap guarantees a precise fit and reliable seal, vital for the longevity and performance of the headlight.