Dishwasher door gasket (or door seal). This door gasket creates a seal around the dishwasher to prevent water from leaking out. If the gasket is torn, the dishwasher will leak water.
Lower Spray Arm with Heat Shield. Center tower extendes up thru lower rack with water pressure. If replacing older style spray arm, related item# 4922150 support is needed.
Dishwasher drain pump. The drain pump forces water through the drain hose. If the drain pump is clogged, damaged, or defective, the dishwasher will not drain properly.
Dishwasher water inlet valve. The water inlet valve supplies water to the dishwasher. If the water inlet valve is defective, the dishwasher may not fill or may underfill.
Dishwasher circulation pump motor with wash impeller & o-ring seals. Poor washing and noise during operation are indications of a circulation pump problem.
Dishwasher upper wash arm (or spray arm). 9 inches, gray, plastic. The upper spray arm circulates water to the dishes in the upper rack. The spray arm can get clogged with food particles over time. If the spray arm is clogged, the dishes in the upper dishrack may not come out clean.