The Whirlpool 4387913 Compressor Relay & Overload for Refrigerator helps start and protect the compressor, supporting consistent cooling performance. This replacement component combines a compressor relay and overload protector to regulate the compressor\'s startup cycle while helping prevent damage from excessive current or overheating. By ensuring the compressor operates correctly, it contributes to stable refrigerator temperatures and dependable system operation. It is designed to replace a worn or faulty part, making it a practical solution for restoring proper cooling performance and reducing unexpected interruptions.