Compatible models: The refrigerator overload protector helps prevent the compressor from overheating. This replacement part is compatible with model numbers AP4439459, 1357963, AH3529540, EA3529540, PS3529540. Please verify your refrigerator model before purchasing to ensure compatibility. PTC starter relay: This PTC start relay is a universal type designed for use with various mini fridges and coolers. It is intended as a direct replacement for the QP2-4.7 one-terminal relay. Confirm compatibility before purchase. Easy to install: The refrigerator starter relay is constructed of plastic, and the overload protector is made of brass. Both materials offer durability, reliability, and resistance to rust. Designed for simple installation and direct replacement, this component helps restore cooling performance. Widely applied: The 4.7 Ohm 1-pin PTC start relay and 6750C-0005P refrigerator overload protector are suitable for most mini fridges, compact refrigerators, beverage coolers, beer coolers, deep freezers, and wine refrigerators. Color: As shown Material: Plastic Package Contents: 1 x 4.7 ohm 1-pin PTC start relay 1 x 6750C-0005P refrigerator overload protector Note: The package includes only the items listed above. Other products are not included. Note: Lighting and display settings may cause slight variations in color between the product image and the actual item. Measurement may vary by +/- 1-3 cm.