The Frigidaire 216822900 Door Light Switch restores proper interior lighting in compatible refrigerator and freezer models. Designed to respond to the appliance door position, the switch turns the interior light on when the door opens and off when the door closes. It provides a practical replacement for a worn, damaged, or defective door switch that may cause lighting issues. Replacing the switch can restore convenient visibility inside the appliance while reducing the chance of the light remaining on when the door is closed. Its compact construction supports straightforward replacement and reliable everyday use. This component is suitable for maintaining proper lighting function in compatible Frigidaire refrigerator and freezer units.