The Whirlpool W10862259 Dishwasher Door Latch Assembly is used to secure the door and regulate safe operation in compatible dishwashers. This component forms part of the door locking system, holding the door firmly closed during wash and rinse cycles. It operates by engaging with the strike plate when the door shuts, activating internal switches that signal the control system to begin the cycle. Installed within the upper section of the door panel, the latch connects with the cabinet frame and control mechanism. By maintaining a proper door seal and stable closure, this part assists in preventing leaks, supports correct cycle initiation, and helps the dishwasher operate under proper washing conditions.