This washer magnetic door plunger holds the door open when the washer's not in use to allow the seals to dry properly. This part does NOT come with installation instructions. This original LG Washer Magnetic Door Plunger originally shipped with the following LG devices: WM3550HWCA, WM3997HWA, WM4070HVA This is a true LG part! This item is NEW! Don't see your model number? Send us a message as we are happy to help!