Whirlpool Part Number 9871257: Knob, Rotary Switch KNOB - CONTROL Works with the following models: Whirlpool TC800SPDB0, Whirlpool TC800SPDB1, Whirlpool TC800SPDB2 Whirlpool TU800SPDB0, Whirlpool TU800SPDB1, Whirlpool TU800SPDB2