I think you can still purchase new long blocks and turnkey engines through Overland:
- http://www.overlandparts.com/dealerlist.htm

The 1.9D in my VW was purchased as a new long block:
- http://www.4crawler.com/VWpickup.shtml#Engine

The non-TDI engines are all mechanical, require one wire to power the fuel cutoff solenoid on the pump.