If your refrigerator door isn't closing as smoothly as it should, it might be time to replace the lower hinge assembly. The assembly hinge-ref low (DA97-00888K) is a genuine part for your Samsung 42-inch built-in side-by-side refrigerator. A malfunctioning hinge may lead to improper sealing, affecting your appliance's efficiency. Always check your refrigerator's model number for compatibility before purchasing.