There is 2 parts inbetween the lock and bezel.otherwise the lock and bezel will move in and out when putting key in .maybe it would be mounted on a factory tailpanel but my repop is just flat sheetmetal and missing number 3&4 on the diagram.thanks for trying guys but if someone pops there trunk and looks and see a square plate on inside the lock sits against plz send me a pic maybe ill fab something up.