Kenmore are pretty good about parts
If you have a model number, if you have a Snears service outlet near you, they should be able to find it. If not, use can probably rig up some PVC style pipe on your own.
We're coming up to moving season here in Montreal, so I see lots of machines abandoned at the curb - I'll keep my eyes out for older Kenmores - hey ya never know!
The hole in the bottom of the tub is easy to fix - get some plumbing epoxy compound and patch the hole with that. I used some once on a leaky clothes washer tub, got the stuff at Home Depot, but I'll be damned if I can remember the brand name. Check out the Restorations section here on the site for what Robert used to restore the Apex Dish-A-Matic.