japimpal

Hi peeps anyone help me with some info i think i have Fcuked my gearbox! wont select 3rd anymore and makes a sound like a driveshaft dragging along road but is not, found the following no.s on top of gearbox 6C-TY752VB3FA and there is a white sticker with 826772 on it presume this a stock no. of some sort? my car is a 1995 japimport wrx is this the correct box for this model and how do i find the ratio of diffs? also anyone with a good secondhand box out there i can buy please pm me many thanks! and GREAT website even though i don`t post very often due to work, i am a scoob addict throughout!