Dishwasher pumps ensure proper cleaning and draining of dishes. There are two types of dishwasher pumps: drain pump and water pump. Whereas the dishwasher water pump is in charge of pumping water through the dishwasher during the wash cycle, the dishwasher drain pump is in charge of draining water from the dishwasher. https://partsfe.com/dishwasher-parts/pumps