The seller was helpful and exceeded my expectations. I usually only buy online from Amazon.com, but Google's Trusted Stores feature was just as good.
Blower shaft 1 inchx24 inch-fd/fs650, uf
Blower shaft 1 inchx24 inch-fd/fs650, ufd/ufs650, td/th/tup6801c, utd/uth/utup6801, pd/ph6802c, pd/ph6832c, upd/uph6802, upd/uph6832 os/wh5cl (back)
Buy this part and as many parts as you like and pay only $9.99 shipping, within the Contiguous United States.