Repairing your ARNU543M3A4 LG Air Conditioner is simple with official replacement parts made to fit your model. View a selection of popular parts, or review parts lists for each of the
ARNU543M3A4 model diagrams below. Trust us to help you find the part you need and get your
ARNU543M3A4 LG Air Conditioner running again.
Most Popular ARNU543M3A4 Parts
These are the most commonly purchased repair parts for ARNU543M3A4.
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The thermistor, also knowns as an evaporator thermistor, helps detect the evaporator temperature inside the air conditioner and then sends the information to the control board. If your air conditioner is too cold, warm, or not cooling properly, you may need to replace the thermistor. This is a genuine OEM part. Please make sure to disconnect the power to the air conditioner before starting your repair.