Description
Product Description
Restore proper defrost function in your freezer or refrigerator with the genuine OEM part 5303918208. This defrost heater assembly from Frigidaire (also used in Electrolux-branded units) ensures that the evaporator coil periodically melts frost buildup, helping maintain efficient cooling and avoid ice buildup. Frigidaire Appliance Parts+2Home Depot Appliance Repair+2
Because freezer back-panel layouts, heater mounting styles, and electrical connectors vary by model and production year, please check with your maintenance technician prior to ordering to confirm that 5303918208 is the correct fit for your appliance model.
Features & Benefits
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OEM-engineered fit: Built to original equipment specifications for models listing 5303918208, ensuring correct dimensions, mounting holes, and connector compatibility. HD Supply+1
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Restores defrost operation: Helps clear built-up frost from the evaporator coil, which can lead to cooling issues, ice buildup, and higher energy usage.
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Improves cooling efficiency: By maintaining proper airflow and avoiding frozen surfaces, this heater assembly supports the freezer’s ability to maintain temperature and helps prolong compressor life.
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Cost-effective repair: Instead of replacing the entire evaporator assembly or liner, installing the correct defrost heater addresses a common fault at much lower cost.
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Well-supported part: Widely available and referenced, making sourcing and installation straightforward for service technicians.
Common Symptoms That Indicate Replacement Is Needed
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The freezer or refrigerator section is not cooling properly, even though the compressor runs and the evaporator fan spins.
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You notice heavy ice buildup or frost covering the evaporator coil behind the freezer back panel.
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The appliance runs continuously and room-temperature inside the freezer or fresh-food section is warmer than usual.
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Water drips into the bottom of the freezer or you see frost melting and re-freezing beneath the evaporator.
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You’ve already inspected the defrost timer/board, thermostat, and drain line, and the defrost heater remains the most likely culprit.
Compatibility Notes & Cross References
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This part number is listed on Frigidaire’s parts list as “Defrost Heater Assembly – 5303918208”. Frigidaire Appliance Parts+1
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It’s marketed by multiple parts distributors (Electrolux/Frigidaire parts) and often referenced under compatible legacy numbers. Empirical listing suggests compatibility across multiple models where the heater kit fits the freezer back-panel design.
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Important installation note: When replacing the defrost heater, also inspect and clear the drain channel, test the defrost thermostat/bi-metal, and verify the defrost timer/module—installing the heater alone may not resolve cooling issues if other defrost circuit components are faulty.