Upgraded 5304506660 Dishwashers Lower Wash Arm Assembly for 5304496886, 5304496936, 5304506532, 5304507040,AP6038456, 154830302, 154830303, 4456369. 5304506660 Spray Arm Assembly 5304507158. Spray arm 5304506660 rotates and sprays water to clean the dishes inside the dishwasher tub.
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