help

all but one of my window motors have gone out for good. the question is
are the fornt motors the same as the back ones i`ve looked at all four and they look the smae but the backs are higher price than the fornt can i use the front one for the back? :banghead: :banghead: :banghead: :banghead: :banghead: :loser: :loser: :evillol: :evillol: :banghead: :banghead: :banghead: :banghead: :banghead: