Washarm, Upper

M.k. for Model Number MDB7600AWB

Answer Hello M.K., The small plastic piece that hold the upper spray arm in place is 99002753. 

Richard for Model Number MDBTT59AWW

Answer Hello Richard. You need to check and see if the lower spray arm 6-917642 is worn, or if the outlet W10296525 is worn and needs to be replaced in the unit. Then order the part that is bad and needs to be replaced in the unit. 

B.d. for Model Number MDB7600aww

Answer Hello B.D. The spray arms are put together at the factory. If you take it apart it will never go together water tight so it will not work again. The spray arms have to be replaced when this occurs.