WR51X466 Kenmore Refrigerator Heater, Defrost Kenmore OEM Part: WR51X466 All Our Parts Are Factory Approved For A Proper Fit Brand New in Original Retail Packaging WR51X466 Heater, Defrost Part Number WR51X466 replaces 1992, AH303957, EA303957, PS303957, SWR51X299, SWR51X314, WR51X0299, WR51X0314, WR51X0366, WR51X0423, WR51X0432, WR51X0449, WR51X0466, WR51X299, WR51X314, WR51X366, WR51X423, WR51X432, WR51X449.