This user interface (part number EBR78914102) is for dryers. User interface EBR78914102 processes the cycle settings you choose. The interface also houses the display for the dryer. For LG dryer models DLEX4270W and DLEX4270V with serial numbers that begin with 504KW, order main control board and user interface kit AGM75370003. replace the user interface and main control board at the same time or the dryer controls won't work properly. Unplug the dryer before installing this part. Wear work gloves to protect your hands.