Compatible models: The refrigerator overload protector helps prevent the compressor from overheating. Replaces part numbers AP4439459, 1357963, AH3529540, EA3529540, PS3529540. Please verify your refrigerator model before purchasing to ensure compatibility. PTC starter relay: Universal PTC start relay designed for various brands of mini fridges and coolers. Compatible only with QP2-4.7 one-terminal relay. Confirm compatibility before purchase. Easy to install: The refrigerator starter relay is made of durable, rust-resistant plastic. The overload protector is constructed of brass. Both components are reliable and designed for direct replacement to restore cooling function. Widely applied: The 4.7 Ohm 1-pin PTC start relay and 6750C-0005P 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. Lighting and display settings may cause slight variations in color. Measurement error allowance is 1-3 cm.