Whirlpool Part Number 9706649: Control Assembly (Gray Knob) CONTROL ASSEMBLY GREY KNOB Works with the following models: Whirlpool 4KB25G1XBU3, Whirlpool 4KB25G1XBU5 Whirlpool 4KB25G1XBY5, Whirlpool 4KB25G1XCO5, Whirlpool 4KB25G1XER3, Whirlpool 4KB25G1XER5