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 start relay for mini fridges and coolers. Designed to fit QP2-4.7 one-terminal relay only. Confirm compatibility before purchase. Easy to install: Starter relay made of durable, rust-resistant plastic. Overload protector made of brass. Both components are reliable and designed for direct replacement to restore cooling function. Widely applied: 4.7 Ohm 1-pin PTC start relay and 6750C-0005P overload protector fit most mini fridges, compact refrigerators, beverage coolers, beer coolers, deep freezers, and wine refrigerators. Suitable for various household cooling appliances. 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: Other items not included. Color may vary slightly due to lighting and display differences. Measurement error allowed within +/- 1-3 cm.