If your dishwasher's lower basket isn't sliding smoothly, it may be time to replace the roller-basket lower, part number DD66-00076A. This genuine Samsung part is designed for use with various Samsung dishwashers, including models with linear wash and WaterWall technology. The roller-basket lower helps maintain the smooth movement of your dishwasher's lower basket, ensuring optimal performance. Before purchasing, verify your device's model number for compatibility.