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 relay: The PTC start relay is a universal type designed for use with mini fridges and coolers. This item is compatible only with QP2-4.7 one-terminal relay. Please confirm compatibility before purchase. Easy to install: The refrigerator relay is constructed with plastic housing and the overload protector is made of brass. Both materials are durable and rust resistant. Designed for direct replacement, this unit is simple to install and helps restore cooling performance. 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 coolers. 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 variations in color between the product image and the actual item. Measurement may vary by +/- 1-3 cm.