MFU14F3GW8 Frigidaire Freezer - Parts

This defrost heater assembly is designed to melt frost and ice buildup from the evaporator coils during the automatic defrost cycle. By preventing excessive ice accumulation, it helps the refrigerator...

This evaporator fan motor is located in the back of the freezer, and circulates air over the refrigerator coils. These coils will convert the heat into cool air, which is then circulated.

With refrigerators/freezers they have a thermostat that helps maintain the desire temperature.