This high-limit thermostat is an OEM Replacement Part made for various GE dryer models. As a safety feature, it serves to cut off the dryer's power when the temperature exceeds safe limits. This thermostat helps to prevent overheating. It is located on the upper right-hand side of the heater housing. This thermostat will halt power to the dryer motor under excessively high temperatures. A malfunctioning high-limit thermostat can result in the dryer not producing heat or not starting at all. This will warrant its testing for continuity and potential replacement. Remember to unplug the dryer before installation. This part, also referred to as a safety thermostat has a technical identifier of L315-65. The high-limit thermostat is compatible with select GE brand models including Hotpoint and Kenmore.This part fixes the following symptomsNo heat or not enough heatPart Number WE4M137 (AP2042565) replaces WE4M457, 276438, AH267900, EA267900, PS267900, WE04M0137, WE04X25197.