Compatible models: The refrigerator overload protector helps prevent the compressor from overheating. Replaces part numbers AP4439459, 1357963, AH3529540, EA3529540, PS3529540. Check your refrigerator model before purchasing to ensure compatibility. PTC starter relay: Universal PTC start relay designed for various mini fridges and coolers. Compatible only with QP2-4.7 one-terminal relay. Verify compatibility before purchase. Easy to install: Starter relay made of durable, rust-resistant plastic. Overload protector constructed from brass. Designed for direct replacement, ensuring reliable performance and restoration of cooling function. Widely applied: 4.7 Ohm 1-pin PTC start relay and 6750C-0005P refrigerator overload protector fit most mini fridges, compact refrigerators, beverage coolers, beer coolers, deep freezers, and wine refrigerators. Suitable for everyday use. 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 color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.