What a bypass plug does
Some refrigerators include a bypass plug or bypass mode for use when a filter is not installed. The exact behavior depends on the model. It should not be described as filtering water or as an equivalent replacement cartridge.
Why the distinction matters
A bypass component can have a different shape and part number from the filter. Installing the wrong filter or bypass can prevent the system from sealing or dispensing correctly. Do not infer the correct part from the brand or from a similar refrigerator.
Use the model’s instructions
LG and GE both publish model-specific guidance about bypass operation and filter troubleshooting. Use the complete refrigerator model number and confirm the official instructions before removing a filter or installing a bypass component.
FitsMyModel’s verified results identify the manufacturer-listed filter for the exact model. They do not treat a bypass plug as a filter or as proof of compatibility.