Compatible models: the refrigerator overload protector can prevent the compressor in your refrigerator from overheating, nice to replace part numbers like AP4439459, 1357963, AH3529540, EA3529540, PS3529540, you can check the product description for list of compatible models, please check the model of your refrigerator before purchasing to ordering the correct compatible part. PTC relay: the PTC start relay is the universal relay applied on various of mini fridges and coolers, saving your time and effort, this item is only compatible with QP2-4.7 one-terminal relay, please do consider this before purchasing. Easy to install: refrigerator relay is made of plastic, the overload protector is made of brass, both materials are , reliable and rust resistant, also easy to install for direct replacement, which will work and restore cool air to your refrigerator. Widely applied: 4.7 Ohm 1-pin PTC start relay and 6750C-0005P refrigerator overload protector are compatible with most mini fridges, compact refrigerators, beverage and beer coolers, deep freezers, wine refrigerators, widely applied in your life. Colour: As shown Material: plastic Package Contents: 4 x 4.7 ohm 1-pin PTC start relay 4 x 6750C -0005P refrigerator overload protector Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing.