The Upper Dishrack Wheel is an OEM part for Frigidaire dishwashers. This part attaches to the upper dishrack, allowing it to slide in and out smoothly along the dishwasher's tracks for easy loading and unloading of dishes. Common causes of a bad dishrack wheel include wear and tear from frequent use, damage from heavy loads or improper handling, and breakage due to impact. Symptoms of a bad Upper Dishrack Wheel include: Difficulty sliding the upper dishrack in and out The upper dishrack derailing or not staying on its tracks Unusual noises when moving the dishrack Visible damage or wear on the wheel This OEM Frigidaire part is also compatible with Electrolux, Gibson, Kelvinator and some Kenmore models.Part Number 5304535381 (AP7215766) replaces 5304507440, 5300809974, 5304534832, 5304523190, 154494502, 5303286384, 5303269771.