LG ยท Side-by-side
LG LSXS26366S Water Filter Replacement
Confirmed by the manufacturer's parts listing
The LSXS26366S uses the LG LT800P Refrigerator Water Filter
- Part number
- LT800P
- Also sold as
- ADQ73613401, Kenmore 9490 (46-9490)
- Replace
- about every 6 months
Save on your next change: Genuine 3-pack (LT800P-3)
As an Amazon Associate I earn from qualifying purchases. We verify the genuine filter only. Non-genuine results aren't checked by us: confirm the listing names your model and an NSF/ANSI certification. Multi-pack links are Amazon searches for the manufacturer's own pack: check the brand and pack size on the listing.
Next change due in about 6 months. Add a reminder to your calendar:
Does your fridge also have an air filter?
LG sells the LT800P together with its LT120F fresh air filter, since both are due about every 6 months. Not every LG fridge has an air filter: check for a round cover at the back of the fresh-food compartment before you buy one.
How to Replace the Air Filter in an LG Refrigerator
Source: Refrigerator water and air filter, LT800P + LT120F (LG USA). These are Amazon searches for the genuine part number. As an Amazon Associate I earn from qualifying purchases.
Confirm before you buy
- Check the model label inside your fridge reads LSXS26366S.
- The filter in your fridge now should be labelled LT800P / ADQ73613401 / Kenmore 9490 (46-9490).
How we checked this match
Confirmed by the manufacturer's parts listing: LG spec sheet for LSXS26366.
Checked 2026-10-28. Spotted an error? Tell us.
Replacing the LSXS26366S water filter
It's the same LT800P filter in every refrigerator that uses it, but where it sits and how its housing opens can differ between models. Follow the LT800P replacement steps or our full guide, how to replace an lg refrigerator water filter, and check your owner's manual for the filter's location on the LSXS26366S.
Other refrigerators that use the LT800P
LSXS26366S water filter questions
What water filter does the LG LSXS26366S use?
The LG LT800P Refrigerator Water Filter, also sold as ADQ73613401, Kenmore 9490 (46-9490). Confirmed by the manufacturer's parts listing (LG).
How often should I change the LSXS26366S water filter?
Replace the LT800P about every 6 months. Change it sooner if water flow from the dispenser slows noticeably.