You'll have to find a donor machine for the outer tub, these haven't been available new in probably close to 20 years. It will need to come from a a machine with the smaller tub but these go back to 1956.
The tub to pump hose is Part# 212989. They are all over Ebay.
Pump is Part# 202203, also on Ebay. Get a genuine Maytag pump or a used one. The aftermarket pumps have a bad rap. Oil the pump every few years and it'll last forever.