Frigidaire Refrigerator Defrost Thermostat - 5303918634

Frigidaire Refrigerator Defrost Thermostat - 5303918634

Restore temperature-controlled defrost operation with this genuine OEM Frigidaire Refrigerator Defrost Thermostat. This part senses evaporator temperature and enables or limits the defrost-heater circuit at the temperatures specified by the appliance design.

5303918634 is a genuine OEM Frigidaire Refrigerator Defrost Thermostat. Because visually similar service parts can differ by model revision, connector, mounting, or specification, confirm the exact model before installation.

Compatibility: Designed for select Frigidaire refrigerator models that specify 5303918634 in the service parts list. Model-number verification is required.

Fitment / What To Verify: Match the exact sensing function and location, connector, mounting, and model-specific calibration/rating when specified. Similar sensors and thermostats may use different electrical characteristics.

Please confirm fitment with your appliance or equipment model number before ordering.

Is it time to replace?

• Common Symptoms: Evaporator frosts over, defrost heater does not energize when it should, or continuity/temperature testing identifies a failed defrost thermostat.
• Visible/Sensory Cues: Open or intermittent thermostat at an incorrect temperature, corrosion, damaged leads, loose clip/contact to the evaporator, or frost accumulation consistent with a defrost fault.

Pro Tip: Test the thermostat at the proper temperature and inspect the heater, wiring and timer/control board as a system; confirm the thermostat is clipped/mounted at the specified evaporator location.

Technical Specifications