Lower Tower Assembly Specifications this Tower Helps Force The Water Being Propelled By The Pump And Motor Assembly Up To The Spray Arms For Continuous Water Pressure During The Wash Cycle. This 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: Frigidaire, Tappan, Gibson, Kelvinator. Part, 154156901 Replaces These: Part, 154156901 Replaces These: Ap2108682,12756Cross Parts: 154156901, Ps419978, 12756, Ah419978, 1541567, Ea419978, Ap2108682