This genuine door switch, part number DD34-00007A, is designed for Samsung dishwashers. If your dishwasher isn't starting, it might be due to a faulty door switch. Replacing a malfunctioning switch can restore your dishwasher's ability to detect when the door is closed. Prior to installation, disconnect power to the dishwasher and wear protective gloves. Confirm your appliance's model number for compatibility before purchasing.