The Actuator is an OEM part for Whirlpool dishwashers. This actuator is responsible for releasing detergent from the dispenser at the appropriate time during the wash cycle, ensuring effective cleaning of the dishes. Causes of a bad detergent dispenser actuator can include electrical malfunctions, wear and tear from frequent use, or physical damage to the actuator mechanism. Symptoms of a bad detergent dispenser actuator include: The detergent not dispensing during the wash cycle The dispenser door not opening Dishes not being cleaned properly due to no detergent release Error codes related to the dispenser This OEM Whirlpool part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper and some Kenmore models.Part Number 8193646 (AP3120036) replaces 3369055, 3369602, 8066017, 8519606, 903958, AH392727, EA392727, PS392727.