Timer Knob Specifications this Knob Accepts A D-Shaped Shaft. This Part Fixes The Following Symptoms: This Part Fixes The Following Symptoms: Timer Will Not Advance | Will Not Startthis Part Works With The Following Products: This Part Works With The Following Products: Washer Dryer Combo. This Part Works With The Following Products: This Part Works With The Following Products: Frigidaire, Kenmore, Crosley, Westinghouse. Part, 131873304 Replaces These: Part, 131873304 Replaces These: Ap2107773,890128,131167801,131167804,131652401,131873301Cross Parts: 890128, 131167801, Ah418916, Ps418916, 131873301, Ea418916, 131167804, Ap2107773, 131652401