As an Amazon Associate I earn from qualifying purchases.Updated: April 10, 2026
The Side Brush on your iRobot Roomba i7+ plays a crucial role in sweeping debris and dust from corners and edges into the main cleaning path. Over time, the bristles wear down, reducing efficiency and potentially scratching floors. Replacing it every 3 months ensures optimal performance and prolongs your device's lifespan.
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Function: The Side Brush sweeps dirt and debris from along walls and into the robot's suction path.
Signs it needs replacing: Short, frayed bristles, uneven spinning, visible wear on the brush itself, reduced cleaning effectiveness in corners.
OEM vs aftermarket: OEM parts are made by iRobot and guarantee perfect fit, while aftermarket parts offer cost savings but may vary slightly in quality. Read reviews carefully before purchasing.
Installation: Usually straightforward. Typically involves removing a single screw or clip to detach the old brush and install the new one. Consult your Roomba's manual for specific instructions.
Replacement schedule: every 3 months
Compatibility warning: Always verify part number matches your exact model before ordering
Pros & Cons
Pros
✓ Restores device to original performance without buying a new unit
✓ Significantly cheaper than a full device replacement
✓ Multiple options available from OEM and aftermarket sellers
Cons
✗ OEM parts cost more than third-party alternatives
✗ Wrong part number will not fit — model verification is essential
Common Use Cases
Scheduled maintenance on the every 3 months replacement cycle
Performance restoration after noticing reduced output or efficiency
Preventive replacement before a worn part causes secondary damage
Who Should Buy This
This replacement Side Brush is for the owner of an iRobot Roomba i7+ whose device is showing signs of reduced cleaning performance due to a worn brush and who wants to extend the life of their robot vacuum.
Not ideal for: If your Roomba i7+ is experiencing multiple malfunctions or nearing the end of its expected lifespan, a full device replacement might be more cost-effective in the long run.
Good to Know Before Buying
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Always confirm your exact model number (R750010) before ordering. Part numbers vary between model variants and production years. Check the label on your device or original documentation to be sure.
Frequently Asked Questions
What is the part number for the iRobot Roomba i7+ Side Brush?
The part number is 4640239. Always verify this matches your exact model (R750010) before ordering, as similar models may use different parts.
How often should I replace the Side Brush on my iRobot Roomba i7+?
every 3 months
Will aftermarket Side Brush replacements work in my iRobot Roomba i7+?
Third-party parts are widely available and often cheaper than OEM. Look for listings that specifically mention compatibility with model R750010 and check buyer reviews for fit confirmation before purchasing.
Prices change frequently. See the latest deal on Amazon.