Genuine OEM Volkswagen Headlight Cover Cap, part number 1K8941607A. This cap protects the internal components of a headlight assembly from dust and moisture. It is located on the rear of the headlight unit. Constructed from durable plastic, it forms a seal to prevent environmental contaminants from entering the headlight housing. Genuine OEM parts ensure a precise fit and effective seal, crucial for protecting sensitive headlight electronics and optics from damage.