LG Refrigerator Door Gasket Replacement — What This Part Does
The door gasket is a magnetic rubber seal that runs around the perimeter of the refrigerator door, creating an airtight barrier between the door and the cabinet when closed. It keeps cold air inside and warm air out, allowing the compressor and evaporator to maintain temperature without working overtime. Gaskets fail when they tear away from the corner seams, detach from the door groove, become permanently deformed from repeated use, or crack from age and wear. LG notes that the visible corner join between two gasket sections is usually normal, not a defect, so a true tear means damage away from that seam. When the gasket no longer sits fully in its groove or loses magnetic contact with the cabinet, the refrigerator runs longer cycles and struggles to hold temperature.
Signs It Needs Replacing
- Gasket visibly detached or hanging out of the door groove The rubber seal has pulled away from the channel in the door and no longer makes full contact with the cabinet.
- Torn or cracked gasket material away from the corner seam The gasket has a visible tear or crack in the middle or along the edge, not at the normal corner junction where two sections meet.
- Warped or deformed gasket that won’t lie flat The rubber seal is permanently bent, twisted, or misshapen and leaves gaps when the door closes.
- Visible gaps between the door and cabinet when closed You can see light or feel air movement along the door edge where the gasket should be sealing.
- Weak or no magnetic pull when closing the door The gasket no longer snaps or pulls firmly against the cabinet side, indicating poor contact with the magnetic surface.
- Frost buildup or condensation along the door edge Warm air leaking past a bad seal causes frost on the freezer side or moisture on the fresh-food side.
How to Replace It
- Unplug the refrigerator from the wall outlet before starting any repair near electrical components.
- Remove any trim panels or hinge covers blocking access to the gasket, following your model’s service manual (some LG French-door models require removing the center hinge or flipper assembly first).
- Starting at a top corner, gently pry or peel the old gasket out of the door groove, working your way around the entire perimeter until the gasket is free.
- Clean the door groove with warm soapy water to remove any dirt, adhesive residue, or buildup, then dry the groove completely before installing the new gasket.
- If the new gasket is stiff, soak it in warm or hot water for a few minutes to improve pliability and make installation easier.
- Begin at the top corners and press the new gasket into the door groove, working around the perimeter and making sure the gasket seats fully at every point.
- Reinstall any hinge hardware, flipper assemblies, or trim panels you removed earlier, then plug the refrigerator back in.
- Close the door and inspect the gasket contact all the way around, checking for uniform magnetic pull and no visible gaps between the door and cabinet.
- If desired, apply a thin coat of petroleum jelly to the inner edge of the gasket to reduce friction and wear during repeated door openings.
The Part You Need
| Part | Notes |
|---|---|
| LG refrigerator door gasket (door seal assembly) | Amazon | Match the part number to your model and door configuration (left, right, freezer, or fresh-food). Find your model and serial number on the label inside the refrigerator compartment or on the left wall near the door hinge. Example LG part numbers include ADX73350625, ADX73350628, and ADX73350925, but verify fitment for your exact model before ordering. |
Related Error Codes
If this part is failing you may also see one of these codes:
- Lg Refrigerator C1 error code
- Lg Refrigerator Cf error code
- Lg Refrigerator Co error code
- Lg Refrigerator Dh error code
- Lg Refrigerator Ds error code
- Lg Refrigerator Eid error code
- Lg Refrigerator Eiu error code
- Lg Refrigerator Ff error code
- Lg Refrigerator Fs error code
- Lg Refrigerator Gf error code
When to Call a Pro
Call a pro if the gasket appears normal but the door still won’t seal, which may point to a bent or misaligned door hinge, a warped cabinet frame, or internal hardware failure. If you’ve reseated the gasket by pushing it fully into the groove and the magnetic contact is still weak or uneven, the door may need professional realignment or hinge replacement. Also call for help if your model requires disassembly of internal ductwork, control panels, or water lines to access the gasket, or if you’re not comfortable working around the door hardware on a built-in or French-door unit.