Genuine OEM Volkswagen Exterior Mirror Cap, part number 17A857537GRU. This cap covers and protects the exterior mirror housing and internal components from road debris and weather. It is designed for the left side exterior mirror assembly. Supplied primed (GRU), it is ready for painting to match the vehicle's body color. A genuine OEM mirror cap ensures a perfect fit, seamless integration, and durable protection for the mirror assembly.