The Microwave Turntable Motor is an OEM replacement part for GE built-in microwaves. It is an electronic part that powers the rotation of the turntable platform which supports food items during cooking. Even heating distribution relies on the turntable's movement powered by this motor. Causes of a bad turntable motor can include wear and tear over extended use that damages internal wiring, bearings seizing up from lack of lubrication, or debris interfering with rotation. Symptoms of a bad turntable motor include: The platform does not spin at all during cooking leading to uneven results Abnormal grinding noises from failed bearings Overheating of the motor itself. This OEM GE part is also compatible with Hotpoint, RCA, and some Kenmore models.This part fixes the following symptomsTray won't turnWB26X10143 (AP3775270) replaces 1086075, PS953598, WB26X10157.