LG AJU55759303 refrigerator water inlet valve
Last checked October 30, 2026

AJU55759303 is a genuine LG refrigerator water inlet valve. LG Parts lists it for 114 LG models, including LBC22520SB, LBC22520ST, LBC22520TT, LBC22520SW.
Listing name: Refrigerator Water Inlet Valve.
Find your exact model number in the list below. If it is not listed, this page does not confirm a fit.
Fit source: the AJU55759303 listing on LG Parts (lgparts.com), a store that sells genuine LG parts, run by the parts distributor Encompass. Read October 30, 2026. Open the listing.
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Unplug the refrigerator and shut off its water supply before you work on it.
Models LG Parts lists for AJU55759303
Showing 114 of 114 models, as written on the listing.
Where to find your refrigerator model number
Inside the fresh food section, on a side wall or the ceiling, often near the crisper drawers. Use the model number, not the serial number. Search any model number.
Look-alikes: other LG refrigerator water inlet valve parts for some of the same models
If your model is listed under more than one part, match the number printed on your old part.

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4681JB1027N
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4940JJ2003C
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Questions
Will the AJU55759303 fit my LG refrigerator?
Only if your exact model number is on the list above. LG Parts lists it for 114 models, read October 30, 2026.
Where is the model number on a refrigerator?
Inside the fresh food section, on a side wall or the ceiling, often near the crisper drawers.
Is AJU55759303 a genuine LG part?
Yes. AJU55759303 is LG's own part number, sold on LG Parts (lgparts.com).
Is there a cheaper replacement?
We list only the genuine part. There is no public certification listing to compare aftermarket versions of this part, so we do not rank them.