Source for OEM Ball Joints?

I've been trolling through the internet trying to find OEM ball joints for a late model Tacoma. Too late to contact my local dealer. Any recommendations for a source on OEM ball joints other than a dealer? Do the dealers normally carry these? Thanks for the help.

 

http://tps.toyotaofdallas.com/partlocator/index.cfm?siteid=214074

 

Just checked with my local dealer. Apparently they come only as an assembly with the Upper Control Arm for the 2013 Tacoma! This would explain why I can't find the parts on the internet. Do the parts come separately for earlier years?

Unfortunately the Toyota of Dallas site won't let me dig down to Toyota Tacoma parts (got a "404 - file or directory not found" error).

I'm starting to think I need to go with the uni-ball set-up. At least lots of places have replacements for those!