If you do a google search under "pool pump side discharge" you get several hits. Here's one:

http://www.amerimerc.com/pool_supply...lo_ag_pump.asp

I just had to buy a new pump and I looked at about a thousand websites, finally found these guys:

http://mastertoolrepair.com/

I called their customer service number (spoke to Gill) and they were incredibly helpful in finding a replacement pump that would work with my system.

Good luck!