It looks like this Part has been superseded by LEGO Part 2348b Glass for Hinge Car Roof 4 x 4 Sunroof with Ridges.
Click on a colored part below to see the Sets and MOCs that use part 2348a Glass for Hinge Car Roof 4 x 4 Sunroof [No Ridges] in that color. You can find an overview of all LEGO Colors here.
If a color is missing, it probably needs to be added to a Set Inventory.
There are 3 Mold variations of part 2348a - Glass for Hinge Car Roof 4 x 4 Sunroof [No Ridges] in the database, in use between 1986 to 1987. See Molds and other related Parts.