Replacement Main Brush for Mijia OV81/S40 Robot Vacuum – Roller Bristle

Replacement Main Brush for Mijia Robot Vacuum & Mop 4 (OV81 / S40)

Keep your Mijia Robot Vacuum & Mop 4 running at peak performance with this direct-fit replacement main brush. Designed specifically for models OV81 and S40, this roller bristle brush restores your robot vacuum's ability to capture dirt, dust, pet hair, and debris from hard floors and low-pile carpets — all without skipping a beat.

Why Replace Your Main Brush Regularly?

Over time, the main brush bristles wear down, reducing cleaning efficiency. Swapping in a fresh replacement brush takes only seconds and instantly revives your robot vacuum's performance, keeping your floors consistently clean and hygienic.

Key Features

• Precise Fit: Engineered exclusively for Mijia OV81 / S40 robot vacuum models — drop-in replacement, no modifications needed.
• Tool-Free Installation: Snap in and go. No professional help or extra tools required — quick, effortless, and hassle-free.
• Durable Construction: Made from high-quality plastic and bristle materials built to resist bending, tearing, and everyday wear for a long service life.
• Thorough Cleaning: The roller bristle design agitates and sweeps dirt, dust, pet hair, and debris from floors into the suction path for a deeper clean.
• Ideal for Busy Homes: Great for households with pets and children where floors need frequent, reliable cleaning.

Specifications

Package Contents

• 1× Replacement Main Brush

Note: Due to lighting and display variations, the color may differ slightly from the actual product. Measurement tolerance is ±1–3 cm.

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Frequently Asked Questions

Q: Which robot vacuum models is this replacement main brush compatible with?

A: This replacement main brush is designed specifically for the Mijia Robot Vacuum & Mop 4, models OV81 and S40. Please verify your model number before purchasing to ensure a proper fit.

Q: How do I install the replacement main brush on my Mijia OV81/S40?

A: Installation is tool-free and straightforward. Simply remove the old brush from the brush compartment on the underside of your Mijia robot vacuum and snap the new replacement brush into place. The entire process typically takes less than a minute.

Q: How often should I replace the main brush on my Mijia robot vacuum?

A: For optimal cleaning performance, it is generally recommended to replace the main brush every 6–12 months depending on usage frequency, floor type, and whether you have pets. If you notice reduced pickup performance or visible bristle wear, it's time for a replacement.

Q: Is this brush made by the original manufacturer?

A: This is an aftermarket replacement brush accessory, not an OEM part. It is designed to match the dimensions and fitment of the original main brush for Mijia OV81/S40 models.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.