Price wise, it's a good deal, but it looks like a gen I regulator and you have a gen II LS.
There's a difference? I didn't know that.
On my 01' LS i just replaced the regulator clips.
I bought them on ebay.
http://www.ebay.com/itm/Lincoln-LS-...:Lincoln|Model:LS&vxp=mtr&hash=item3a6b9ca7f2