Whirlpool Part Number 3379290: Knob. Timer (Black) KNOB -TIMER Works with the following models: Whirlpool MDB3601BWB0, Maytag MDB3601BWB1, Whirlpool MDB3601BWQ0 Maytag MDB3601BWQ1, Whirlpool MDB3601BWS0, Maytag MDB3601BWS1, Whirlpool MDB3601BWW0