John Deere JS63 walk behind Transaxle drive issues

[JBJs63#]

I am looking for idler pulley GC00674 and Transaxle AM131850 - is there a replacement or a way to fix issue with drive shaft from transaxle damage from pulley. Drive belt broke and in the process of replacing it noticed the idler pulley had excessive wobble due to excessive wear on Transaxle shaft and pulley itself. I've seen videos of people welding them for this problem but would rather replace if possible. As a visual the drive shaft wear resembles a bowling pin. The mover is 20years old and not trying to spend more than it's worth. Thanks