Timer Knob Specifications this Black Knob Accepts A D-Shaped Shaft. 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, Gibson, Uni. Part, 154239301 Replaces These: Part, 154239301 Replaces These: Ap2109049,419149Cross Parts: Ps420405, 419149, Ah420405, 154239301, Ea420405, Ap2109049