Motor vehicle rear transverse part and equipment module for same

A motor vehicle rear transverse part of the type including a generally vertically oriented element defining a frame closed by a rear window, and including an internal support structure and an external fitting panel, an equipment module directly mounted on the element, and a wiper system, coupled to the equipment module characterized in that the equipment module is received in a housing at least partially defined by an opening in the element, wherein the equipment module is mounted from the outside of the element.