The water reservoir assembly (DA97-00670F) is a genuine Samsung part for your refrigerator. If your water dispenser is slow or not working, it may be time to replace this component. The assembly holds water for chilling, and may include multiple parts, so consult your parts diagram for specifics. Before installation, unplug your refrigerator and turn off the water supply. Use work gloves to protect your hands. Check your model number for compatibility before purchasing.