WTB Working CCRM for 90 and 93 SHOs

[pbgsho]

The 90 MTX CCRM is a E9DF-12B577-AB M

The 93 ATX CCRM is a FSDF-12B572-AA J

The part numbers are correct and the only question is the J on the 93 ATX.
I could not find a letter designation for it.

Thanks,

pbgsho