Control Knob Specificationssold Individually. This Knob Accepts A D-Shaped Shaft. This Part Works With The Following Products: This Part Works With The Following Products: Washer, Dryer. This Part Works With The Following Products: This Part Works With The Following Products: Whirlpool, Crosley, Roper, Estate. Part, Wp8538957 Replaces These: Part, Wp8538957 Replaces These: Ap6013000,3358431,3358433,3358434,3950757,8271338,8316540,8538957Cross Parts: 3358433, Ap6013000, 8538957, Ps11746221, 3358431, 8316540, 3950757, 8271338, 3358434