For some reason I lost one of my wiper springs. Buying another proved impossible. I found this wiper arm on eBay and took a chance that it might be right. It was a perfect replacement.
In case someone has the need, here is the number:
Afi Premier 33182 10 - 15 Inch
In case someone has the need, here is the number:
Afi Premier 33182 10 - 15 Inch