Jim,

There are a couple of companies out there that sell VW auto tranny rebuild
kits.  I bought mine from Transtar Corp. at
http://www.transtarindustries.com/home.asp
Here's a couple more I found in my search:
http://www.aceomatic.com/
http://www.bulkparts.com/

Hope this helps.

Jim Bowen
Round Rock, TX
'88 Wolfsburg w/weekender package