Help! 364 water pump needed

I have a buddy that desperatly needs a 364 nailhead waterpump. Knowone around here can seem to get one. Any leads? TP

 

I might have it--what year car? AC or not?
John

 

Thanks guys for the reply. We found one local after a little hunting. It;s a 59 Lesabre with a 3 on the tree, a/c, power steering. Where can I find production numbers for this car?