A sample from the products for the Rear Combination Lamp include: Gasket (nas), Bracket,license Plate, Screw, Washer.
This schematic depicts all components used in the Gs400 1979 (n) (e01 E02 E04 E17 E18 E21 E22 E24 E25 E30 E34 E39) Rear Combination Lamp partslist.
In this schematic the "Screw" is used most often.