The Interlock Switch Plunger is an OEM part for GE dishwashers. This component works with the door latch to ensure the dishwasher operates only when the door is securely closed, providing safety and preventing water leaks. Over time, the interlock switch plunger can wear out or become damaged due to repeated use, mechanical stress, or debris buildup. Causes of a bad interlock switch plunger include frequent door openings and closings, misalignment of the door latch, and exposure to moisture. Symptoms of a bad interlock switch plunger include: The dishwasher not starting or stopping unexpectedly Error codes related to door lock issues The dishwasher door not closing properly or securely The dishwasher operating even when the door is slightly open This GE replacement part is also compatible with Hotpoint, RCA, and some Kenmore models.Part Number WD12X10271 (AP4334006) replaces 1486567, AH1993857, EA1993857, PS1993857, WD12X10195.