FitMatch

The Bosch WTX87M40AU takes the Bosch fluff collector (lint trap insert, complete) 12023842 for Series 8 WTX heat pump dryers as its lint filter; Australian sellers list it from A$43.29 as of 7 November 2026. Fitment confirmed against the manufacturer's compatibility list.

Your dryer

Clothes dryer

Confirmed against Bosch's list

Not yours? Change
12023842

Takes the 12023842

Lint filter · check the code on your old filter.

Other Bosch dryers that take the 12023842

Genuine

$43.29

Bosch Australia · 7 Nov

Compatible

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No compatible seller tracked yet

Genuine: made by Bosch. Compatible: another brand.

Lowest price · $43.29

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AUD, before delivery. Each price shows when it was checked.

Bosch AustraliaGenuine · checked 7 Nov$43.29Open
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How long it lasts

Replace it when it is damaged; clean it when the display asks.

After replacing: No reset needed. Some models show a reminder to clean the filter; it clears when the door is closed and a new programme starts.

How to change the lint filter in your Bosch WTX87M40AU

Watch the guide or follow the steps.

No clear video for this part yet. The steps cover it.

  1. 1When the display shows the clean-filter notification, open the base unit: open the maintenance flap at the bottom front, open the lever for the heat exchanger cover and pull the cover out by its handle.
  2. 2Remove the fluff and any dirt from the seal, clean the insides under running water and dry them. Use a soft brush for heavy soiling.
  3. 3Pull the fluff collector out horizontally (condensation may drip out), open it and remove the fluff.
  4. 4Clean the filter under running water (or in the dishwasher) and dry it thoroughly. Do not damage or remove the collector's seal.
  5. 5Close the fluff collector until the tab engages, slide it back in horizontally as far as it goes, then refit the heat exchanger cover and close the maintenance flap.
Every number this part goes by
Retail name:
12023842

Sellers list any of these; they are the same part.

About your WTX87M40AU

Bosch clothes dryer — Series 8 heat pump dryer. Its lint filter is the fluff collector (lint trap insert, complete) 12023842 for Series 8 WTX heat pump dryers, part 12023842.

Where the model number is: The model number is on the rating label inside the door or around the door opening; on some dryers it is on the back. It reads like WTW87565AU or EDH3284PDW.

Fits these 2 Bosch models
Common questions
Which lint filter fits the Bosch WTX87M40AU?
The Bosch WTX87M40AU takes the Bosch fluff collector (lint trap insert, complete) 12023842 for Series 8 WTX heat pump dryers.
Where can I buy the 12023842 in Australia?
We track 1 Australian seller for the 12023842; the lowest listed price when we last checked was A$43.29 at Bosch Australia. Prices are re-checked daily and dated on this page.
How do I fit the 12023842 in a Bosch WTX87M40AU?
No tools, a few minutes: 5 steps, listed on this page with the replacement video where the maker has one.
What happens if I don't change it?
Lint gets past a torn filter into the condenser or heat pump, airflow drops and each load takes longer to dry.
Is there anything to reset afterwards?
No reset needed. Some models show a reminder to clean the filter; it clears when the door is closed and a new programme starts.

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