Upgrade vrision: 91538 Control Knob is unchanged in size and detail. We have enhanced the plating to make it tougher. Also at the bearing. We used new material. It is not easy to break. As a quality choice for your grill Control Knob.
The 91538 is the same part as the WEB91538. Set of two "lighted" control knobs for main burners. Installation tip: Place a small amount of liquid soap (or similar liquid) on the 91538 control knob stem shaft before pressing the knob into place.
Excellent quality & design: 91538 control knob is made of high-quality ABS plastic material, which can reduce heat conduction and prevent burning hands. The surface is covered with direction mark. The force area of the knob is concave to increase friction.