Main brush gearbox (black) for Roborock S8 series — replacement part

This replacement main brush gearbox in black is designed for Roborock S8 series vacuum cleaners. It houses the drive components and transmits rotation to the main brush, restoring brush movement and debris pickup when the original gearbox is worn, damaged, or producing noise. The part is a direct replacement intended for models in the S8 product family and is supplied as the gearbox assembly only.

Advantages

The gearbox restores reliable transmission of rotation to the main brush, improving cleaning efficiency and contact with floor surfaces. Made to match the S8 series mounting points and dimensions, the unit simplifies installation and reduces the risk of misalignment. Replacing a noisy or worn gearbox can extend the life of the main brush and reduce strain on the brush motor.

Suitable for

• Roborock S8 White
• Roborock S8 Black
• Roborock S8 White+
• Roborock S8 Black+
• Roborock S8 White Pro Ultra
• Roborock S8 Black Pro Ultra

Key specifications

• Colour: black
• Function: main brush gearbox assembly for transmitting rotation to the main brush
• Compatibility: designed for Roborock S8-series vacuum cleaners
• Supply: replacement gearbox only (does not include main brush or motor)

How to use

Power off the vacuum and remove the main brush compartment according to the appliance manual. Remove the worn gearbox and install the replacement unit in the original position, ensuring correct alignment with the brush shaft and mounting points. Reassemble the brush compartment and test the vacuum to confirm proper brush rotation and noise reduction.

Usage recommendations

Replace the gearbox when the main brush no longer rotates smoothly, produces unusual noise, or when visible wear is present. Use only the compatible S8-series gearbox to maintain correct fit and performance; follow manufacturer safety instructions when servicing the appliance.