After searching for months without finding a used front latch for the RH bag I found this site which is a new latch, it can cost from 81.18 to 58.49, this site had it for 58.49 + SH of 6.95 so the grand total is 65.44, it has parts for both LH & RH bags and all the little parts associated with the bags, they cover many years & models......
http://www.partzilla.com/parts/search/Kawasaki/Motorcycle/2003/ZG1000-A18%20Concours/ACCESSORY/parts.html
http://www.partzilla.com/parts/search/Kawasaki/Motorcycle/2003/ZG1000-A18%20Concours/ACCESSORY/parts.html