The Turntable Coupler is an OEM part for GE microwaves. It is located underneath the glass turntable in the microwave cavity. It is responsible for transmitting the rotational motion from the motor to the turntable, allowing for even heating and cooking of food. Causes of a faulty or damaged turntable coupler can include regular wear and tear, physical damage, or improper installation. These factors can result in issues such as the turntable not rotating or spinning irregularly during operation. Symptoms of a bad turntable coupler may include: The turntable not rotating when the microwave is in use Uneven or jerky movement of the turntable Excessive noise or vibration during operation This OEM GE part can also be used on Hotpoint, RCA, and Kenmore/Sears appliances. This part fixes the following symptomsTray won't turnWB06X10420 (AP3416049) replaces 942560, AH651211, EA651211, PS651211, WB6X10420.