Does Roomba s Series corner brush, 3-pack fit Roomba s9?
Confirmed. Official iRobot listing says this corner brush is for Roomba s Series robots.
Why it fits
Official iRobot listing says this corner brush is for Roomba s Series robots.
Official evidence
Recorded evidence summary
Official iRobot listing says this corner brush is for Roomba s Series robots.
This is an editorial summary, not a quotation. Open the source to read the manufacturer's current wording and exclusions.
Manufacturer page used for this row
Source type: official product page · source observed 2026-09-03 · relationship reviewed 3 September 2026. Retailer titles are not evidence.
Review record
Reviewed by Feroz Sheikh on 3 September 2026 · consumable fit · evidence ev-6f653c1772c1d392. The public decision is the plain-language verdict shown above.
Confirmed models on this part
Does not fit / excluded in this catalog
- No official exclusion row in this catalog yet.
Region scope
This record is currently scoped to US. Match the SKU and exact model code printed locally; a different code stays Unverified until sourced.
Identify the vacuum
Use the printed series, not the box nickname. Flip the robot or open the app device page and match Roomba s9.
Replacement steps
- One screw usually holds the side brush.
- Match the spline count. A longer tuft is not a fit proof.
- Do not overtighten the screw into the plastic hub.
Common mistakes
- Assuming every 3-arm brush is the same spline.
- Overtightening the hub screw.
- Using a 600-series brush on an e/i/j body.
Retailer search · Official shop · disclosure
Retailers
Fit is written before any retailer link. Compare the official shop SKU with the listing number before you pay.
FAQ
Does Roomba s Series corner brush, 3-pack fit Roomba s9?
Confirmed. Official iRobot listing says this corner brush is for Roomba s Series robots.
What is the OEM number?
Catalog SKU 4646123. Barcodes on file: 4646123.
Is an Amazon title enough?
No. Confirmed means officially manufacturer-listed; it does not claim a VacPartFit physical lab test.
Does the region change the fit?
This catalog record is scoped to US. If the local carton prints another SKU or model code, treat that item as Unverified until its official page is checked.
How do I know I have this robot?
Read the nameplate or app device page. Copy the exact series string.
What if the barcode does not match?
Treat it as Unverified and use the model hub instead of the listing title.
Roomba s9 hub · Roomba s Series corner brush, 3-pack
Corrections
Report a wrong or changed fit. Reports can include an official URL and optional model-label photo; they never change a public verdict automatically.