Lower Spray Arm Nut Specificationsfits Between The Lower Spray Arm And The Filter. This Part Fixes The Following Symptoms: This Part Fixes The Following Symptoms: Not Cleaning Dishes Properlythis Part Works With The Following Products: This Part Works With The Following Products: Dishwasher. This Part Works With The Following Products: This Part Works With The Following Products: Kenmore, Frigidaire, Westinghouse, Tappan. Part, 154335201 Replaces These: Part, 154335201 Replaces These: Ap2109387,419507Cross Parts: Ea420799, Ah420799, Ap2109387, Ps420799, 419507, 154335201