Open - 55, close - 35This part fixes the following symptomsFreezer not defrostingFreezer section too warmFridge too warmWR50X55 (AP2639498) replaces 3485, AH303545, EA303545, PS303545, SWR50X0035, SWR50X0055, SWR50X35, SWR50X55, WR50X0028, WR50X0030, WR50X0031, WR50X0032, WR50X0034, WR50X0035, WR50X0037, WR50X0055, WR50X0073, WR50X0074, WR50X0075, WR50X0090, WR50X0092, WR50X0102, WR50X0103, WR50X0117, WR50X102, WR50X103, WR50X117, WR50X28, WR50X30, WR50X31, WR50X32, WR50X34, WR50X35, WR50X37, WR50X5015, WR50X5022, WR50X5034, WR50X73, WR50X74, WR50X75, WR50X90, WR50X92.