Fridge water filter · LG
LG FSS-002 External Inline Water Filter
- Replace every 6 months
- External inline
- Fits 18 models
The LG FSS-002 (ADQ73693903) is the external inline filter for Australian LG side-by-side fridges such as the GS-L668PL and GS-V665MBL. It sits in a compartment at the back of the fridge and connects with screw caps on the water tube. LG lists WQA certification and a six-month interval; after fitting, hold the Water Filter button for three seconds and run water for about five minutes.
Reduces
- chlorine taste and odour (LG AU page does not itemise substances for this cartridge)
- Type
- External inline cartridge with screw caps on the water pipe
- Certification
- WQA Certification Acquired
- Fitting steps
- Remove the screw cap, pull the pipe out of the old filter, push the pipe into the new filter until fully sealed, insert the screw cap until the coloured line is no longer visible
- After fitting
- Dispense water for approximately 5 minutes to remove trapped air
- Reset
- Press and hold the Water Filter button for three seconds; this resets the Replacement Filter icon
- Replacement interval
- 6 months (LG lists the part as 'FSS-002 Refrigerator Water Filter (6 month)')
Every number this part goes by
- Retail name:
- FSS-002
- Retail name:
- FSS002
- Part number:
- ADQ73693901
- Compatible part no.:
- ARWF6755
Where to buy
Every seller we track for this part, cheapest first. Genuine is the manufacturer's own part; compatible is a third-party filter made to fit. Prices are re-checked daily where the seller publishes them. Last checked 6 September 2026.
How long it lasts
Replace every 6 months.
After fitting: Press and hold the Water Filter button for three seconds to reset the Replacement Filter icon.
Flow slows and taste drops off as the filter fills up. Changing on time is the whole point of the filter.
Not due yet?
This filter is due every 6 months. We'll email you when it's time — free, no spam.
Fitting it
A few minutes, no tools. Watch it done, then follow the steps.
Step-by-step instructions for this filter are being checked against the manufacturer's guide.
Will it fit your appliance?
Type your model number and we'll check it against our fitment database.
Fits these models
Common questions
- Which water filter fits the LG ADQ73693903?
- The LG ADQ73693903 takes the LG FSS-002 External Inline Water Filter (part ADQ73693903). Compatible filters made to the same specification also fit.
- How often should I replace the water filter in my LG ADQ73693903?
- Every 6 months. Flow slows and performance drops off as the filter fills up, so it's worth doing on time.
- Where can I buy the ADQ73693903 in Australia?
- We track 6 Australian sellers for the ADQ73693903; the lowest listed price when we last checked was A$31.00 at waterfilterdistributors. Prices are re-checked daily and dated on this page.
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