Unit support for a motor vehicle door

A unit support for a motor vehicle door configured and provided for installation in the motor vehicle door and wherein in an installed state the unit support forms at least one part of a door inner skin of the motor vehicle door, the unit support comprising:

• at least one longitudinally extended guide rail of a motor vehicle window lifter arranged on the unit support, wherein the guide rail extends between a first and a second end portion and wherein a drive element configured to receive a window pane to be adjusted along an adjusting path of the guide rail defined by guide surfaces is movably guided on the guide rail;
• a hollow body integrally formed in a region of at least one end portion of the guide rail, and wherein in order to increase a length of travel of the motor vehicle window lifter in a direction of extension of the guide rail, the hollow body is configured to at least one of:
• a) extend the guide surfaces of the guide rail serving to guide the drive element and defining the adjusting path, and
• b) include a deflection element configured to deflect a flexible traction device of the window lifter.