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 lower spray arm. The lower spray arm circulates water to the dishes in the lower rack. The spray arm can get clogged with food particles over time. If the spray arm is clogged, the dishes in the lower dishrack may not come out clean.
Middle spray arm water supply tube and arm kit, white, new design. Replaces older two piece water supply tube. See related item for the upper support if needed.