The eufy RoboVac G15 takes the eufy Side Brush (RoboVac 11S / 25C / 35C, G10 / G15 / G20 / G30 / G35+ / G40 Hybrid+) (part T2905031) as its side brush; replace it every 3 months; Australian sellers list it from A$1.83 as of 5 October 2026. Fitment confirmed against the manufacturer's compatibility list.

Your robot vacuum
eufy RoboVac G15
Robot vacuum
Confirmed against eufy's listConfirmed against eufy Australia's compatibility list
Not yours? ChangeSave it · remind me every 3 months
Takes the T2905031 side brush
Side Brush (RoboVac 11S / 25C / 35C, G10 / G15 / G20 / G30 / G35+ / G40 Hybrid+) · replace every 3 months · check the code on your old part before ordering.

Your robot vacuum
Robot vacuum
Confirmed against eufy's listConfirmed against eufy Australia's compatibility list

Takes the T2905031
Side brush · every 3 months · check the code on your old part.
Other eufy robot vacuums that take the T2905031
GenuineGenuine eufy
$14.95
Eufy Au · 22 OctLowest genuine · Eufy Au · checked 22 Oct
CompatibleCompatible option
$1.83 each
6-pack $10.98
Amazon AU · 5 OctAmazon AU · checked 5 Oct
Check sellerCheck seller details
Genuine: made by eufy. Compatible: another brand. Check certification on the seller's page.Genuine is made by eufy. Compatible is made by another brand. Check the seller's certification details before choosing.
Lowest compatibleLowest compatible price · $1.83 each · 6-pack $10.98
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.
This robot vacuum also takes a main brush
- eufy Rolling Brush (RoboVac 11S / 25C / 35C, G15 / G20 / G30 / G35+ / G40 Hybrid+)Open Amazon AU$8.49 each · 2-pack $16.98
Separate from the side brush. Replace every 12 months.
Compare 4 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.
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 eufy RoboVac G15
Watch the guide or follow the steps.
- 1Turn the robot over to get at the side brushes.
- 2Pull firmly on the soft rubber edge of the old brush and lift it off.
- 3Push the new brush down onto its post until it snaps into place.
- 4Reset the side brush under Consumables in the eufy Clean app.
Every number this part goes by
- Retail name:
- T2905031
Sellers list any of these; they are the same part.
About your eufy RoboVac G15

eufy robot vacuum, robot vacuum — RoboVac G. Its side brush is the Side Brush (RoboVac 11S / 25C / 35C, G10 / G15 / G20 / G30 / G35+ / G40 Hybrid+), part T2905031, changed every 3 months.
Also in this robot vacuum: eufy Rolling Brush (RoboVac 11S / 25C / 35C, G15 / G20 / G30 / G35+ / G40 Hybrid+) (every 12 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 11 eufy models
eufy11 models
- RoboVac 11S (side brush)
- RoboVac 25C (side brush)
- RoboVac 35C (side brush)
- RoboVac G10 Hybrid (side brush)
- RoboVac G15 (side brush)
- RoboVac G20 (side brush)
- RoboVac G20 Hybrid (side brush)
- RoboVac G30 Hybrid (side brush)
- RoboVac G30 Verge (side brush)
- RoboVac G35+ (side brush)
- RoboVac G40 Hybrid+ (side brush)
Common questions
- Which side brush fits the eufy RoboVac G15?
- The eufy RoboVac G15 takes the eufy Side Brush (RoboVac 11S / 25C / 35C, G10 / G15 / G20 / G30 / G35+ / G40 Hybrid+) (part T2905031).
- How often should I replace the side brush in my eufy RoboVac G15?
- Every 3 months, or sooner if it looks worn.
- Where can I buy the T2905031 in Australia?
- We track 3 Australian sellers for the T2905031; the lowest listed price when we last checked was A$1.83 at Amazon AU. Prices are re-checked daily and dated on this page.
- How do I fit the T2905031 in a eufy RoboVac G15?
- 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?
- A clogged filter loses suction, worn brushes miss edges, and a stale mop cloth smears rather than cleans.
Something looks wrong with the RoboVac G15 match? . Reports go to a person, not a bot.