The Genuine Porsche Door Mirror Base is a replacement part for the 98173123000 model. It is designed to fit securely onto the door of a Porsche vehicle and serve as the base for the door mirror. This base is made of high-quality materials and is an authentic Porsche product. It is durable and built to withstand the elements, providing a sturdy foundation for the door mirror. This Genuine Porsche Door Mirror Base is essential for maintaining the functionality and appearance of your Porsche vehicle.