This is a genuine Porsche door mirror housing with the part number 958731528009B9. It is designed to fit perfectly on Porsche vehicles and is made with high-quality materials to ensure durability and longevity. The housing is used to hold the door mirror in place and protect it from damage. It has a sleek and stylish design that complements the overall look of the vehicle. This door mirror housing is a direct replacement for the original part and is suitable for use in various Porsche models.