This part chops up/mince the food particles to prevent from clogging the dishwasher pump. This is a chopper assembly or drain food chopper, and it is designed for your dishwasher. The chopper chops up/minces the food particles in your dishwasher to prevent them from clogging the pump. You may need to replace this part if your dishes are not being cleaned properly, your appliance is particularly noisy, or you are noticing draining problems. The tools you will need to make this repair include a number 20 and a number 15 torque screwdriver, a small flat blade screwdriver, and a pair of needle nose pliers.