The Dreame L40 Plus takes the Dreame Side Brush (L40 Ultra VE, L40 Plus, L20 Ultra, L10s Pro Ultra Heat, L10s Plus, L30 Ultra S) (part DRE-L20U-SBRUSH) as its side brush; replace it every 3 months; Australian sellers list it from A$2.61 as of 5 October 2026. Fitment confirmed against the manufacturer's compatibility list.
Your robot vacuum
Dreame L40 Plus
Robot vacuum
Confirmed against Dreame's listConfirmed against Dreame Australia's compatibility list
Not yours? ChangeSave it · remind me every 3 months
Takes the DRE-L20U-SBRUSH side brush
Side Brush (L40 Ultra VE, L40 Plus, L20 Ultra, L10s Pro Ultra Heat, L10s Plus, L30 Ultra S) · replace every 3 months · check the code on your old part before ordering.
Your robot vacuum
Robot vacuum
Confirmed against Dreame's listConfirmed against Dreame Australia's compatibility list
Takes the DRE-L20U-SBRUSH
Side brush · every 3 months · check the code on your old part.
Other Dreame robot vacuums that take the DRE-L20U-SBRUSH
GenuineGenuine Dreame
$39.95
Dreame Au · 22 OctLowest genuine · Dreame Au · checked 22 Oct
CompatibleCompatible option
$2.61 each
6-pack $15.66
Amazon AU · 5 OctAmazon AU · checked 5 Oct
Check sellerCheck seller details
Genuine: made by Dreame. Compatible: another brand. Check certification on the seller's page.Genuine is made by Dreame. Compatible is made by another brand. Check the seller's certification details before choosing.
Lowest compatibleLowest compatible price · $2.61 each · 6-pack $15.66
Amazon AU. Compare with genuine below. Some links earn us a commission. Some seller links earn us a commission, at no extra cost to you.
Other parts this robot vacuum takes
- Dreame Dust Bag 4L (L40 Plus, L10s Plus, D10 Plus Gen 2)Open Dreame Au$49.95
The dust bag. Separate from the side brush. Replace every 2 months.
- Dreame Mop Pad (L10 / L10s / L20 / L30 / L40 / L40s, X40 / X50 / X60 Ultra, Matrix10 Ultra, D20 Pro Plus)Open eBay AU$3.25 each · 4-pack $13.00
The mop cloth. Separate from the side brush. Replace every 6 months.
Compare 6 sellers
Compare 3 sellers
AUD, before delivery. Each price shows when it was checked.
Compatible options
2 sellers
Opens Amazon AU in a new tab. Their page is the source of truth for price, delivery and returns.
How long it lasts
Usually every 3 months. The app reminds you when it is due.
After replacing: Reset the side-brush timer under Maintenance in the Dreame app.
Not due yet?
Get a nudge when your filter is due — it's every 3 months. One email two weeks before, no newsletter. Manage or stop it anytime.
How to change the side brush in your Dreame L40 Plus
Watch the guide or follow the steps.
- 1Turn the robot over on a towel.
- 2Pull the old side brush straight off its post.
- 3Push the new brush onto the post until it clicks, then reset the side-brush timer under Maintenance in the Dreame app.
Every number this part goes by
- Retail name:
- DRE-L20U-SBRUSH
Sellers list any of these; they are the same part.
About your Dreame L40 Plus
Dreame robot vacuum, robot vacuum — L series. Its side brush is the Side Brush (L40 Ultra VE, L40 Plus, L20 Ultra, L10s Pro Ultra Heat, L10s Plus, L30 Ultra S), part DRE-L20U-SBRUSH, changed every 3 months.
Also in this robot vacuum: Dreame Dust Bag 4L (L40 Plus, L10s Plus, D10 Plus Gen 2) (every 2 months), Dreame Mop Pad (L10 / L10s / L20 / L30 / L40 / L40s, X40 / X50 / X60 Ultra, Matrix10 Ultra, D20 Pro Plus) (every 6 months).
Where the model number is: Turn the robot over: the model name and serial are on the label on the underside. The model name is also on the top lid of most robots.
Fits these 6 Dreame models
Common questions
- Which side brush fits the Dreame L40 Plus?
- The Dreame L40 Plus takes the Dreame Side Brush (L40 Ultra VE, L40 Plus, L20 Ultra, L10s Pro Ultra Heat, L10s Plus, L30 Ultra S) (part DRE-L20U-SBRUSH).
- How often should I replace the side brush in my Dreame L40 Plus?
- Every 3 months, or sooner if it looks worn.
- Where can I buy the DRE-L20U-SBRUSH in Australia?
- We track 3 Australian sellers for the DRE-L20U-SBRUSH; the lowest listed price when we last checked was A$2.61 at Amazon AU. Prices are re-checked daily and dated on this page.
- How do I fit the DRE-L20U-SBRUSH in a Dreame L40 Plus?
- No tools, a few minutes: 3 steps, listed on this page with the replacement video where the maker has one.
- What happens if I don't change it?
- A clogged filter loses suction, worn brushes miss edges, and a stale mop cloth smears rather than cleans.
- How do I reset the reminder?
- Reset the side-brush timer under Maintenance in the Dreame app.
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