This is a genuine OEM item made by Samsung
Compatible Models : RF18A5101SG/AA, RF18A5101SG/AA-00, RF18A5101SR/AA, RF18A5101SR/AA-00, RF18A5101WW/AA, RF18A5101WW/AA-00, RF18HFENBSR/AA-00, RF18HFENBSR/US-00, RF18HFENBSR/US-51, RF18HFENBSR/US-52, RF20A5101B1/AA, RF20A5101SG/AA-00, RF20A5101SR/AA, RF20A5101SR/AA-00, RF20A5101WW/AA, RF20A5101WW/AA-00