Here's one with that casting number:
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=250881984725&ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649#ht_500wt_1182
If it doesn't sell on eBay, I'll take best offer here. Local Pickup only.
SF Bay Area.
Thanks!