MGA starter motor, 9 or 10 teeth make any difference?

[Huntsman]

I just bought a second hand starter motor from a local MG breaker, he said morris minor, midget and MGA all the same, I got back to work and closer inspection reveals that one off the car has 9 teeth and the one I just bought has 10 teeth.

Will it work ok? Will it fit?

[Huntsman]

Huntsman said:

I just bought a second hand starter motor from a local MG breaker, he said morris minor, midget and MGA all the same, I got back to work and closer inspection reveals that one off the car has 9 teeth and the one I just bought has 10 teeth.

Will it work ok? Will it fit?

The moss webiste list the same pn for midget and MGA so I might be ok.