43532-60010 - hub cover O-ring $3.32
43531-60010 - hub cover gasket $2.03
43422-60020 - axle shaft flange gasket $0.80
Toyota parts numbers and prices from my local Toyota dealer.
Much more reasonable than the local Suzuki dealership.
Thanks Orionn, and the link is what I was using to rebuild the spare set of hubs I have. Some good info on that page.