This is a genuine OEM item made by Samsung
Compatible Models : WA40A3005AW/A4, WA41A3000AW/A4, WA45N3050AW/A4-01, WA50R5200AV/A4-00, WA50R5200AW/US-51, WA50R5400AV/US-51, WA50R5400AW/US, WA51A5505AC/US, WA51A5505AV/US, WA52M7750AV/A4, WA54A7305AE/US, WA54A7305AV/US, WA55A7300AE/US, WA55A7700AV/US