Lower Spray Arm with Heat Shield. Center tower extendes up thru lower rack with water pressure.
Lower wash arm support
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.
Pump impeller cover with lower wash arm support
Center or upper washarm asssembly