Water Filter for the LG LFXS26596D (1000P)

LFXS26596D specifics — where the filter actually lives

The filter bay on the LFXS26596D inside the fresh-food cavity, upper zone in most French-door builds, a deliberate placement that keeps the swap away from the door seals and drawer rails. Mechanically the LFXS26596D uses a push-and-twist cartridge: the keyed entry means no cross-threading, and the locking turn is short enough to do one-handed.

Two quirks worth knowing before you order: a stiff first removal on builds that sat on the same cartridge for years, and an indicator light that wants a manual reset after a non-OEM cartridge is seated. The badge reads LFXS26596D, but the chassis reads LF: the LF run is LG’s French-door series; across the run, the filter bay is one of the constants. Trim code 6D: cosmetic variants of one chassis, one cartridge family.

LF vs LS — what the prefix tells you

Know your LF from your LS and the cartridge question halves: French-door versus side-by-side. Both generations draw from the same cartridge pool, so the prefix is a fit-check, not a barrier. the 26 cu ft figure in the code is the household size proxy; larger households breach the rated gallons before the calendar does.

Swap it in 5 minutes

• Press the release (if fitted), twist the old cartridge free, and pull it from the header.
• Wet the new cartridge’s o-ring with cold tap water so it seats without dragging.
• Push the cartridge square onto the header, then give it the locking quarter turn.
• Run two gallons through the dispenser to flush carbon fines, then hold the filter-reset control until the status light clears.

What this filter takes out of your water

Coverage above lists what the standard addresses, not a performance claim for any specific cartridge — removal claims vary by certificate, so check the NSF listing for the exact part number you are buying.

LFXS26596D filter questions