The Mounting Bracket is an OEM part for Frigidaire dishwashers. It is a metal component that secures the dishwasher to the surrounding cabinetry. The mounting bracket provides structural support and stability during operation. Causes of a bad mounting bracket can include damage from installation/removal, cracks or deformities from heavy loads, or broken welds/fasteners holding it in place. Symptoms of issues with the mounting bracket include:   Excessive vibration or shaking of the dishwasher during cycles The unit not sitting level or secured properly in the space Noises related to movement that shouldn't occur Visible damage or instability of the unit  This OEM replacement is also compatible with Electrolux, Gibson, Kelvinator, and Kenmore models.Part Number 5304516698 (AP6834261) replaces 5304475603.