If it is an M2 then yes they are the same. If it is an M2A1 then no, the one on the Passenger side is half the size due to the pulpit. The extra space is for standing. Also, if you have a radio and depending on it's configuration then you may loose the Driver's side locker box in place of a SCR-508 on a FT-284 stand in a CH-74 cabinet for example.
Steve A.