This is a genuine Porsche door mirror trim ring with the part number 958731704009B9. It is used for the exterior door mirror of a Porsche vehicle. This trim ring is designed to fit and function just like the original part, ensuring a perfect fit and seamless integration with the rest of the vehicle's design. It is made of high-quality materials to ensure durability and longevity. This trim ring is an essential component for maintaining the overall appearance and functionality of the door mirror on a Porsche vehicle.