Robot vacuum main brush · Roborock
Roborock Main Brush (Saros Z70)
Part codeRR-ZS4-SarosZ70-M01
- Replace every 12 months
- Fits inside the fridge
- Fits 1 model

Main brush for the Saros Z70.
- App timer
- 300 hours of cleaning
Every number this part goes by
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 12 months — the app reminds you.
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 12 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.
- 1Turn the robot over on a towel. The main brush is the roller in the middle behind a cover with two tabs.
- 2Squeeze the tabs, lift the cover off, and lift the old roller out from the end away from the gear.
- 3Drop the new roller in with the gear end matching the old one, press the cover back until both tabs click.
- 4Reset the main-brush timer under Maintenance in the Roborock app.
Will it fit your appliance?
Type your model number and we'll check it against our fitment database.
Fits these models
Roborock1 model
Common questions
- Which main brush fits the Roborock RR-ZS4-SarosZ70-M01?
- The Roborock RR-ZS4-SarosZ70-M01 takes the Roborock Main Brush (Saros Z70) (part RR-ZS4-SarosZ70-M01).
- How often should I replace the main brush in my Roborock RR-ZS4-SarosZ70-M01?
- Every 12 months, or sooner if it looks worn.
- Where can I buy the RR-ZS4-SarosZ70-M01 in Australia?
- We link to 1 Australian seller for the RR-ZS4-SarosZ70-M01; the seller's page shows the current price.
- How do I fit the RR-ZS4-SarosZ70-M01 in a Roborock RR-ZS4-SarosZ70-M01?
- No tools, a few minutes: 4 steps, listed on this page with the replacement video where the maker has one.
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