can somebody help me identify please
 

Hello everyone. i have finally started cleaning out my garage and have found a 1995 impreza dccd RA gearbox. number is 6GTY52VB4AA

I had a rear diff next to it but im not sure if its matching or not. the only things i can see on it is: 314
5Z
KNZ
A
W10
In white paint - TR
Z18B
Any advise would be very welcome. Thanks guys