The Whirlpool WPW10662129 Refrigerator Run Capacitor supports steady compressor motor performance for consistent refrigerator cooling. This electrical component provides the phase shift needed for the compressor motor to run properly, supporting stable cooling system performance. A faulty capacitor may cause compressor running issues and affect the refrigerator’s ability to maintain consistent temperatures. A properly functioning run capacitor supports smooth motor performance and reliable temperature control. By assisting the compressor during running cycles, it contributes to the refrigerator’s cooling process and helps maintain suitable conditions for food storage. This component plays an important role in supporting consistent compressor performance and balanced refrigeration.