difference between a 9710a22 stator and 9710a38?

[hoover47]

Does anyone know the difference between a 9710a22 and 9710a38 stator? What do the #'s following the A mean?

 

[GA_Boater]

Supercession numbers.

Here is the a22 source from your other thread by Fazbullet - http://forums.iboats.com/forum/engi...m-black-stator-to-red?p=10145054#post10145054