The Dispenser Cap is an OEM part for Frigidaire dishwashers. It is a crucial component of the detergent dispensing system, designed to securely cover and seal the detergent dispenser when the dishwasher is not in operation. Symptoms of a bad dishwasher dispenser cap: Leakage of water or detergent from the dispenser area Difficulty in opening or closing the dispenser cap The cap not sealing properly, allowing moisture or debris to enter Cracks or damage to the cap, preventing a secure fit Causes of a faulty dishwasher dispenser cap can include wear and tear over time, exposure to high temperatures or harsh detergents, or physical damage from mishandling or impact. This OEM Frigidaire part is also compatible with Electrolux, Gibson, Kelvinator, and Kenmore dishwasher models.Part Number 154388801 (AP2109579) replaces 154388802, 890363, AH421128, EA421128, PS421128.