The Mitsubishi Electric MR-CX402EJ takes the Mitsubishi Electric Water Tank Filter (part KIEHJ3526) as its water filter; Australian sellers list it from A$31.36 as of 5 October 2026. This fit is listed by sellers and not yet confirmed against the manufacturer's list.
Your fridge
Mitsubishi Electric MR-CX402EJ
Listed by sellers, not confirmed by Mitsubishi Electric — check your old filterListed by sellers, not yet confirmed by Mitsubishi Electric — check the code on your old filter
Not yours? Change
Takes the KIEHJ3526 water filter
Water Tank Filter · check the code printed on your old filter before ordering.
Your fridge
Listed by sellers, not confirmed by Mitsubishi Electric — check your old filterListed by sellers, not yet confirmed by Mitsubishi Electric — check the code on your old filter
Takes the KIEHJ3526
Water filter · check the code on your old filter.
Other Mitsubishi Electric fridges that take the KIEHJ3526
GenuineGenuine Mitsubishi Electric
$31.36
Sydney Appliance Service · 5 OctLowest genuine · Sydney Appliance Service · checked 5 Oct
CompatibleCompatible option
See seller
No compatible seller tracked yetNo compatible seller tracked yet
Genuine: made by Mitsubishi Electric. Compatible: another brand. Check certification on the seller's page.Genuine is made by Mitsubishi Electric. Compatible is made by another brand. Check the seller's certification details before choosing.
Lowest price · $31.36
Sydney Appliance Service. Every seller we track is listed below. Some links earn us a commission. Some seller links earn us a commission, at no extra cost to you.
Compare 2 sellers
AUD, before delivery. Each price shows when it was checked.
Genuine Mitsubishi Electric
2 sellers
Opens Sydney Appliance Service in a new tab. Their page is the source of truth for price, delivery and returns.
How long it lasts
Replace it only if blocked, damaged or mouldy.
Flow slows and taste drops off as the filter fills up. Changing on time is the whole point.
Not due yet?
Get a nudge when your filter is due. One email two weeks before, no newsletter. Manage or stop it anytime.
How to replace the water filter in your Mitsubishi Electric MR-CX402EJ
Watch the guide or follow the steps.
- 1Open the fridge and lift the water tank out of the door or the top shelf; empty it into the sink.
- 2Unclip the filter from its holder inside the tank and take it out.
- 3Rinse the new filter under the tap for a minute, clip it into the holder, then refill the tank with tap water and slide it back until it seats.
- 4Discard the first tank of water or two, then reset the filter timer if your model has one.
Every number this part goes by
- Part number:
- KIEHJ3526
Sellers list any of these; they are the same part.
About your Mitsubishi Electric MR-CX402EJ
Mitsubishi Electric fridge — CX4. Its water filter is the Water Tank Filter, part KIEHJ3526.
Where the model number is: Open the fridge door: the sticker is usually on the inside wall (left side, near the top) or behind the top crisper drawer.
Fits these 23 Mitsubishi Electric models
Common questions
- Which water filter fits the Mitsubishi Electric MR-CX402EJ?
- The Mitsubishi Electric MR-CX402EJ takes the Mitsubishi Electric Water Tank Filter (part KIEHJ3526). Compatible filters made to the same specification also fit.
- Where can I buy the KIEHJ3526 in Australia?
- We track 2 Australian sellers for the KIEHJ3526; the lowest listed price when we last checked was A$31.36 at Sydney Appliance Service. Prices are re-checked daily and dated on this page.
- How do I fit the KIEHJ3526 in a Mitsubishi Electric MR-CX402EJ?
- No tools, a few minutes: 4 steps, listed on this page with the replacement video where the maker has one.
- What happens if I don't change it?
- Flow from the dispenser slows and chlorine taste and odour come back as the carbon saturates; the fridge itself keeps working.
Something looks wrong with the MR-CX402EJ match? . Reports go to a person, not a bot.