Washing machine drain pump. On some models you will need to configure the replacement pump to match the old pumps outlet port direction and reuse the old mounting bracket. If the washer does not drain then the drain pump may be clogged, damaged, or defective.
Washer water inlet valve with thermistor. If the washer fills slowly or does not fill at all, then the water valve may be restricted and require replacement.
Drive Motor. NOTE: This part is often misdiagnosed due to a faulty motor control board.