The 4713-001013 40W Incandescent Light Bulb is a genuine Original Equipment Manufacturer (Authentic OEM) part from Samsung that fits various models from the following brands of microwaves: Samsung. The Samsung 4713-001013 Microwave 40W Incandescent Light Bulb illuminates the interior of the microwave. It is recommended to either refer to your appliance service manual, contact your appliance manufacturer, or contact a service professional to validate the needed part number for your appliance prior to purchasing. OEM Part 4713-001013 40W Incandescent Light Bulb is a brand new part; quality tested as per Samsung standards. The genuine replacement part is a new Samsung part that doesn't replace any other part. This is an authorized, brand new, genuine Samsung part.