Part 4581DD3003B, Dishrack Roller, is a genuine OEM part manufacturered by LG. The manufacturer describes it as “ROLLER ASSEMBLY”. Dishwasher lower dishrack roller and axle assembly with mounting clip. It is used in LG Dishwashers. If the dishwasher has an unpleasant odor we recommend using Affresh dishwasher cleaner. This cleaner also improves wash performance by removing soap build up.