Compatible models: The refrigerator overload protector can prevent your refrigerator's compressor from overheating, good for replacing part numbers such as AP4439459, 1357963, AH3529540, EA3529540, PS3529540. You can check the product description for a list of compatible models. Please check the refrigerator model before purchasing to order the correct compatible part. PTC relay: The PTC starter relay is the universal relay used on various mini-refrigerators and coolers, saving time and effort. This item is only compatible with QP2-4.7 single-pin relay, please be aware of this before purchasing. Easy to install: The refrigerator relay is made of plastic, the overload protector is made of brass, both materials are durable, reliable, and rust-resistant, also easy to install for direct replacement, which will work and restore cold air to your refrigerator. Wide range of applications: 4.7 Ohm 1-pin PTC starter relay and 6750C-0005P refrigerator overload protector are compatible with most mini-refrigerators, compact refrigerators, beverage and wine coolers, freezers, wine refrigerators, widely used in your life. Color: As shown Material: plastic Package contents: 1 * 4.7 Ohm 1-pin PTC starter relay 1 * 6750C-0005P refrigerator overload protector Only the above package content, other products are not included. Note: Light shooting 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 +/- 1-3 cm.