i doubt it mate, it wont reverse the locking mechanism i was thinking that cos i lock it with passanger side at mo, so if i swop it 2 drivers side y wud it chabge anything bout the sucurity Buy a new lock kit from ford £25 or so and build it up to original key the tumblers have numbers on 1-4 strip the old lock down carefully keeping the tumblers in the order thay came out and build your new lock up the same after each tumbler there is a spacer in between or read your key if it not too worn 1=no cut in key 4=deepest u should be able to work 2&3 out there are 6 cut in the key easy mate just bit fiddly