The hose has (or should have assuming it's the correct hose) a nozzle at the end which may be difficult to pull through the tub. Pushing it through from outside may be more workable in that respect, which of course requires removal of the tub ring, agitator, and basket. Your choice.
P/N 3948705.
You can find this info via parts diagrams for the model number ... AppliancePartsPros, SearsPartsDirect, etc.
