Inspection Top of Car (TOC) Stations MBA24831A001Top-of-Car Inspection Assembly - mounting bracket part number AAA316FZH1 DAA24831L002Top-of-Car Inspection Assembly - 16-wire feature. For a 12-wire feature order DAA24831L001 A7003BE4/AAA24831K1A7003BE4(shown) is now replaced by AAA24831K1. This is a MBA24381A001 box with additional switch contacts