WH01X10310 Timer Knob . Replaces Numbers: 1264403, AP3994965, AH1482286, EAP1482286, PS1482286. The WH01X10310 Waher Control Knob fits the models: WLSR3000G0WW, GTAN2800D0WW, GTAN2800D1WW, GTAN2800D2WW, WBSR3140G0WW, S3700G3WW, WCSR4170G0WW, WCSR4170G1WW, WCSR4170G2WW, WCSR4170G3WW, WCSR4170G4WW, WCSR4170G5WW, WCSR4170G6WW, WCSR4170G7WW, WJSR4160G0WW, WJSR4160G1WW, WJSR4160G2WW, WJSR4160G3WW, WJSR4160G4WW, WJSR4160G5WW, WJSR4160G6WW, etc WH01X10310 control knob is made of ABS Plastic and metal material, reinforced with a metal ring, which prevents the stem from getting broken, The eight-speed gear with a retaining clip is better able to turn the knobs accurately and accurately to fix them in the appropriate position. A small oval notch on each side of the knob handle makes it easier to turn the knob WH01X10310 Control Knob Assembly is quick and easy to install ,Removal can be done by pushing the clip under the knob with a very small flat head screw driver, or remove the knob by pulling it straight off its post. You can follow the relevant installation videos on YouTube to prevent errors