If your old part carries any of these, this is the one you want.
5231FI2390F
5231FI2390G
5231FI2390J
5231FI2451A
5231FI3018K
LG 5231FI3779A is a filter assembly. New, genuine LG OEM — ordered from the brand's own distributor, not an aftermarket copy.
Read the number off your old part
Look for the number stamped or printed on the part itself. If it says 5231FI3779A, or any of the 5 older numbers listed under Compatible parts below, this is the replacement. Every one of them is discontinued and every one leads here.
Shipping box
Weight and size of the parcel as it ships: 0.29 lb · 7.65, 10.7, 1.0 in. These are the carton, not the part — do not measure your old part against them.
Buying from us
One year warranty, backed by FIXIT PARTS — if it fails in the first year we replace it.
30 day returns — unused and uninstalled, in the original box.
Ships the same business day on orders placed before 12:00 PM Pacific.
