Compatible models: The refrigerator overload protector helps prevent the compressor from overheating. This part is suitable as a replacement for 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 for direct replacement and saves time and effort during installation. This item is only compatible with QP2-4.7 one-terminal relays. Please confirm compatibility before purchase.Easy to install: The refrigerator starter relay is constructed from durable plastic, and the overload protector is made of brass. Both components are reliable, rust-resistant, and designed for easy installation. They provide a straightforward replacement solution to restore cooling performance.Widely applied: The 4.7 Ohm 1-pin PTC start relay and 6750C-0005P refrigerator overload protector are compatible with most mini fridges, compact refrigerators, beverage coolers, beer coolers, deep freezers, and wine refrigerators. Suitable for a wide range of household and commercial cooling units.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. Lighting and monitor settings may cause slight variations in color between the product image and actual item. Measurement tolerances may vary by +/- 1-3 cm.