WR51X10101 Sears Kenmore Refrigerator Defrost Heater. Replaces AP4355467, WR51X10053, 1399613, AH1993872, EA1993872, PS1993872, WR51X10032, WR51X10097. 575 watts. High-heat, single tube application. 9" long. Includes bracket. This is an improved design dual heater kit and it replaces your original single heater kit. Fits many models. Click MORE DETAILS link for specific model coverage.