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: This PTC start relay serves as a universal starter for various mini fridges and coolers. It is designed for use with QP2-4.7 one-terminal relay only. Please confirm compatibility before purchase. Easy to install: The refrigerator starter relay is constructed from durable, rust-resistant plastic, and the overload protector is made of brass. Both components are reliable and designed for straightforward installation as direct replacements, helping restore cooling performance. Widely applied: The 4.7 Ohm 1-pin PTC start relay and 6750C-0005P refrigerator overload protector are suitable for most mini fridges, compact refrigerators, beverage coolers, beer coolers, deep freezers, and wine refrigerators, offering broad household application. 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 display differences may cause slight variations between the color of the item in the image and the actual product. Measurement may vary by +/- 1-3 cm.