New Defrost Heater & Thermostat Assembly For WR51X442 Fits GE Kenmore Units WR51X442 New Defrost Heater & Thermostat Assembly For GE Kenmore Units Replaces 1972, 197D1481G001, AH303933, EA303933, PS303933, WR51X0342, WR51X0371, WR51X0442, WR51X0463, WR51X342, WR51X371, WR51X463, B003BIGDIQ. 1 Year Warranty extended to you by Edgewater Parts only