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 start relay designed for use with various mini fridges and coolers. Compatible only with QP2-4.7 one-terminal relay. Check compatibility before purchase. Easy to install: The starter relay is made of durable plastic and the overload protector is made of brass, both rust-resistant and reliable. Designed for direct replacement to 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 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. Additional items not included. Note: Lighting and display settings may cause slight color variations between the image and actual item. Measurement may vary by +/- 1-3 cm.