The Roller Assembly is an OEM part for Frigidaire dishwashers. It includes the necessary rollers that allow the dishwasher rack to smoothly glide in and out of the appliance. Proper functioning of these rollers is essential for easy loading and unloading of dishes. Over time, rollers can wear out or become damaged due to regular use or accumulation of debris. Causes of a bad roller assembly include wear from frequent use, damage from overloading the dishwasher rack, or debris buildup causing obstruction. Symptoms of a bad roller assembly include: Difficulty in moving the dishwasher rack The rack not sliding smoothly or coming off the track Unusual noises when moving the rack The rack tilting or not sitting properly in the dishwasher This OEM replacement is also compatible with Electrolux, Gibson, Kelvinator, and Kenmore models.Part Number 154671301 (AP4319813) replaces 1378881, 7154671301, AH2331200, EA2331200, PS2331200.