This is the pump and motor assembly that is used on under counter dishwasher units. The function of this part is to pump the water through the spray arms during the dishwashing cycle. If the user notices that the dishes and cookware are not getting clean, it could be because the pump or motor is not working correctly. If the pump and motor assembly are faulty, the user may also notice water pooling at the bottom of the dishwasher. It may also make a whining sound, which indicates that the motor is dying. Disconnect the dishwasher from the electrical outlet before replacing this part or shut off the house circuit breaker for the dishwasher. Wear work gloves for safety during the process.This part is sold individually. It comes straight from the manufacturer. This particular pump and motor assembly are compatible with dishwashers that are manufactured by Whirlpool and KitchenAid.Part Number W10806703 (AP5985753) replaces W10323385, 4283156, PS11722951, W10805615, WPW10323385.