The URO Parts Headlight Bulb Cap - 017012 is a protective cap that is designed to cover and secure the headlight bulb in a vehicle. It is made from durable materials and is specifically designed to fit certain makes and models of cars. The cap helps to prevent dust, moisture, and other contaminants from entering the headlight assembly, which can cause damage to the bulb and affect its performance. This product is essential for maintaining the proper functioning of the vehicle's headlights and ensuring optimal visibility while driving.