Having trouble with your Samsung refrigerator's cooling efficiency? The blade-moving component, known as the blade-moving C (DA61-01664B), could be the culprit. If you've noticed that your fridge isn't maintaining the right temperature or if there's an unusual noise coming from the fan area, it might be time to replace this part. This genuine Samsung replacement ensures optimal performance to keep your refrigerator running smoothly. Before purchasing, verify your device's model number for compatibility.