Can I repair a leaking water filter housing?

In most cases, a leaking water filter housing indicates a crack or worn seal that is not repairable. Replacement of the entire housing assembly is generally the recommended solution to ensure a reliable and leak-free water system in your refrigerator.

How often should the water filter housing be replaced?

The water filter housing itself does not have a set replacement schedule like the filter cartridge. It typically only needs to be replaced if it develops a leak, cracks, or if the filter no longer seats properly. Regular inspection for damage is advisable.

What causes a refrigerator water filter housing to fail?

Common causes of failure include physical damage from impacts, age-related material degradation leading to cracks, or issues with the internal seals or valves that prevent the filter from seating correctly or cause leaks. Freezing temperatures can also damage the plastic.

Refrigerator Water Filter Housing Replacement

Appliance Aid takes part in the Amazon Associates programme. Some links on this page are affiliate links, and a qualifying purchase earns us a commission. Your price is unchanged.

🏆 RECOMMENDED PART

LG LT1000P - 6 Month / 200 Gallon Capacity Replacement Refrigerator Water Filter (NSF42, NSF53, and NSF401) ADQ74793501, ADQ75795105, AGF803

LG refrigerator water filters provide high quality drinking water by removing contaminants like pesticides, chemicals, and detergents.
Provide cleaner, fresher, and better tasting water and ice for your family.
Only genuine LG refrigerator filters guarantee proper fit from the moment you install it; 3rd party filters can cause damage, are not covered under the LG warranty, and can even lead to unnecessary repairs.
Only genuine LG Water Filters are certified by NSF International to meet industry-leading filtration standards (NSF42, NSF53, NSF401).
Removes 99.99% of cysts, 99% of asbestos and almost all mercury, lead, benzene, herbicides, pesticides, pharmaceuticals, and insect repellant that can be found in water

Check Price on Amazon

What the AGF80300705 does

The water filter housing holds the refrigerator's water filter, directing water through it before dispensing. It is a critical component for providing filtered water and ice.

Symptoms when this part fails

Water leaks from the filter area
Filter does not seat correctly
Reduced water flow or pressure
Water dispenser not working
Error code related to water system

Compatibility

Fits the LG family. Specifically:

Any unit originally equipped with OEM part number(s): AGF80300705.
Check the model/rating plate inside your appliance and compare it against the fitment table on the product listing before ordering — this guide does not list specific compatible models because Amazon does not provide verified fitment data through this pipeline.

Tools you'll need

Screwdriver
Nut driver
Pliers
Towels
Bucket

Difficulty: Moderate · Time: 30-60 minutes

How to install the AGF80300705, step by step

Unplug the refrigerator and shut off the water supply.
Remove shelves or drawers obstructing access to the housing.
Disconnect water lines and electrical connectors from the old housing.
Unmount the old water filter housing from its position.
Attach new water lines and electrical connectors to the new housing.
Secure the new housing in place within the refrigerator.
Turn on the water supply and check for leaks.
Plug the refrigerator back in and test the water dispenser.

Related troubleshooting

If swapping this part doesn't fix the issue, check these next: