1. Improved 4Pack: 4581DD3003B Dishwasher Lower Removal Roller and Axle. This roller is attached to the dishwasher rack, allowing you to smoothly slide the rack in and out. These parts typically wear out simultaneously, so it is recommended to them in pairs. 2. Wide CompatibilityThe 4581DD3003B Dishrack Roller is compatible with LG dishwashers and fits models such as LDF6810BB, LDF6810ST, LDF6810WW, LDF6920BB, LDF6920ST, LDF6920WW, etc. It replaces part numbers 4581DD3003B, 4581DD3003C, AP4437752, 1372292, 4581DD9002B, AH3523051, EA3523051, PS3523051. 3. Restore Your Dishwasher's Function: If your dishwasher shows symptoms such as damaged old rollers, difficulty pulling out racks, frequent derailing, constant noise, doors not closing properly, or dishes not being cleaned, replacing this dishwasher roller can solve the problem. 4. Upgraded MaterialsThe dishwasher rollers are made of improved materials that meet standards and undergo strict manufacturer testing to ensure longlasting performance, making them ideal replacement parts.