I believe they are interchangeable, just a difference in when the actual transmission was produced in the factory but overall the same transmission. I have been a mechanic for 20 something years now and done quite a few rebuilds. If you haven't sourced your trans yet read this article first, might want to consider buying a remanufactured one instead https://transmissioninfo.wixsite.com/transmissioninfo
Transmission compatibility
in 1990 to Present Legacy, Impreza, Outback, Forester, Baja, WRX&WrxSTI, SVX
Posted
I believe they are interchangeable, just a difference in when the actual transmission was produced in the factory but overall the same transmission. I have been a mechanic for 20 something years now and done quite a few rebuilds. If you haven't sourced your trans yet read this article first, might want to consider buying a remanufactured one instead https://transmissioninfo.wixsite.com/transmissioninfo