Most Popular Parts
These are the most commonly purchased repair parts for Z18SSB.
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The defrost timer acts like a clock, continually advances and alternates between activating the cooling cycle and the defrost heater. If the refrigerator is too warm, the freezer section is too warm, or the freezer is not defrosting, you might need to replace the defrost timer. This defrost timer is a genuine OEM part. Disconnect the power to the refrigerator before starting the repair.
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The run capacitor, with new crimp wire connectors, is attached to the compressor and is 250 volts. It helps the compressor kick on and off while maintaining a constant temperature to keep things frozen in your freezer. If your refrigerator is too warm, will not start, or your freezer section is to warm, you may need to replace this part. This is a genuine OEM part. Please remember to disconnect power to your refrigerator before starting your repair.
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The defrost thermostat snaps onto the top portion of the evaporator. It acts as a safety device and protects the evaporator from overheating during the defrost cycle. The thermostat can sense the rise in the evaporator temperature during the defrost cycle and cycles the defrost heater off after all the frost is melted from the coils. This limiter thermostat will cut out when the temperature inside your refrigerator reaches 55 degrees Fahrenheit and kicks back in when the internal temperature drops to 20 degrees Fahrenheit. The defrost thermostat may need to be replaced if the appliance is experiencing temperature-related issues. This is a genuine OEM part. It is recommended to disconnect the power to your appliance before starting your repair.
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