The Upper Dishrack Roller Kit is an OEM assembly for GE dishwashers. It provides the smooth gliding motion essential for the upper dishrack to function properly. Nylon rollers rapidly move dishes through washing cycles for thorough cleaning. This kit contains 4 rollers and 4 axles. Symptoms of bad upper dishrack rollers include: The upper rack getting stuck and not sliding efficiently Excess friction, causing dishes to shift positions mid-cycle Noise or vibration heard from the roller mechanism Causes of failure relate to normal wear of plastic pieces over time. Rollers may develop flat spots, cracks or loose bearings after years of supporting rack movement. This OEM GE part can also be used on Hotpoint, RCA, and Kenmore/Sears appliances.Part Number WD35X20994 (AP5985220) replaces WD12X10335, WD12X10148, WD12X10186, WD12X10347, WD12X20974, 4324950, PS11721505, WD12X10065, WD12X10073, WD12X10099, WD12X10125, WD12X10191, WD12X10324.