Well it turns out it wont.. Only 01, 02, 03, 04 fit.
Found one from a 2003 $350, ready to be installed, out of the donor car ready to be put in by itself. Should i advice my aunt to go for it?
Trans fluid looks ok, everyone tells her the trans has an internal issue. Just shy of 130,000 miles.
You can run an interchange search at car-part.com and that will usually tell you what part will interchange with what. It is how the junkyards figure what part to sell you. They run the hollander interchange system.