Weber Genesis Side Cooker Knob # 47875600 measures 1-5/8" in diameter, the stem is 1/2" long, and the opening for the insert is shaped like a D-Hole. Please visit Weber's website to ensure you order the correct parts for your specific grill. It is best to look up by serial #. The following link will also help you find the alpha numeric number. http://help.weber.com/schematics/#serial-number

• Weber Genesis Side Cooker Knob # 47875600
• Light gray Weber side cooker knob
• measures 1-5/8" in diameter, the stem is 1/2" long, and the opening for the insert is shaped like a D-Hole
• Please visit Weber's website to ensure you order the correct parts for your specific grill. It is best to look up by serial #. The following link will also help you find the alpha numeric number. http://help.weber.com/schematics/#serial-number

Weber Genesis Side Cooker Knob # 47875600Weber Stephens