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 correct compatibility. PTC starter relay: The PTC start relay is a universal type used in various mini fridges and coolers. It is designed for use with QP2-4.7 one-terminal relays only. Confirm compatibility before purchase. Easy to install: The refrigerator starter relay is made of plastic, and the overload protector is made of brass. Both materials are durable, reliable, and rust resistant. Designed for direct replacement, this unit installs easily and helps 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 everyday household 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.