Easy installation: easy to install and disassemble, directly replace the damaged parts. If you encounter more complicated parts, it is recommended to be installed by professionals. For Porsche For Boxster For 911 996 1998 1999 2000 2001 2002 2003 2004 2005 99654207504 99654207604 Front Left Right Window Regulator Easy installation: This window regulator is a direct replacement part making the installation process quick and simple. The function of a window regulator is to ensure that the window glass can be raised and lowered smoothly and that the opening and closing operation is seamless. Material: This product is made of high-quality and premium material with solid and sophisticated workmanship, which mainly enhances its durability., Manufacturer: UTONGMU