Microwave Door Latch Housing and Interlock Switch Assembly 3501W1A019S is a genuine LG replacement part. Life's Good when choosing Genuine LG OEM Factory parts for your LG appliances. Please be aware that it is recommended to use safety equipment and to disconnect the LG appliance from all utilities prior to any service or repair. Please refer to your owner's manual to confirm part numbers and for instructions as some repairs require a trained service professional to complete. When ordering LG parts, please verify your part number is correct for your model before ordering. Parts may look the same but the size and shape can have small variations.