The Burner Control Knob is an OEM Replacement Part that provides you with precise control over the heat level of the surface burner on your LG range. This knob features a 'D' shaped shaft insert, designed for compatibility with a D-shaped shaft. In the OFF position, the flat side of the shaft insert is aligned for easy recognition. With dimensions of 2-3/8" in diameter and 1-7/8"W, the shaft extends approximately 1/4" past the back of the knob.  Causes of a bad burner control knob can include frequent use leading to wear, accidental impact causing breakage, or exposure to high heat affecting its integrity. A compromised control knob can hinder your ability to control the burner effectively. Symptoms of a bad burner control knob include: Difficulty turning the knob The knob not staying in the desired position Visible cracks or damage to the knob The knob becoming loose or falling off This OEM LG part is also compatible with Sears/Kenmore models.EBZ37189611 (AP4447911) replaces 1463916, AH3534129, EA3534129, PS3534129.