Precise Temperature Control, Efficient Defrost: This high quality 5304521781 refrigerator defrost thermostat replacement part is made of high quality metal sensing element, high and low temperature , ensuring stable operation in humid environment, and can accurately sense the temperature change of the refrigerator, automatically control the defrost cycle. Scopes of Application:5304521781 Refrigerator defrost Thermostat Replacement Part for Refrigerator defrost Thermostat,Compatible with various models,also use to , And Other . Product Advantages: Designed to fit the original model 5304521781, with exact matching size and interface, easy to replace the old or thermostat and restore the normal defrost function of the refrigerator. Can replace AP6893121, 808062701, 4931265, 5304520990 and PS12729016 and other models, is your ideal choice to upgrade or repair your existing defrost thermostat system! Easy to Install: 5304521781 refrigerator defrost thermostat replacement parts, no need for complicated tools or expert to complete the replacement, save time and effort, quickly solve the refrigerator defrost problem, greatly save your time and money. Color: As shown Material: Metal + Plastic + Rubber Package Contents: 1*5304521781 Defrost Thermostat Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.