There’s a guy in Oregon, goes by the name The Flying Dutchman. I sent him my pump off my 1931 DeVaux 6-75 and he made it work and look like new. He does phenomenal work, only charged me $185, and my pump was a mess.
His number is (541)450-2277
Website is www.water-pump-rebuilders.com
Where Are You From? Washington state
Do You own a car built by Durant? No, 1931 DeVaux 6-75 sedan