Washing machine drain pump assembly. The drain pump pushes water through the drain hose during the drain cycle. If the drain pump is clogged, damaged, or defective, the washer won't drain properly.
Washing machine main tub seal. If the washer leaks around the center shaft then the main tub seal is likely defective.
Washing machine corrugated drain hose, 4-1/2 feet. If the drain hose is cracked, it will leak water during the washer's drain cycle.