Does your robotic pool cleaner struggle to climb walls, slide backward, or leave streaks on the pool floor? Chances are the rear brush has worn down. These brushes provide the traction and scrubbing action needed for thorough cleaning. In this guide, we review the best rear brush replacement options for 2026, covering top brands like Dolphin, BGD, and Pokin. Whether you own a Dolphin M600, a Nautilus, or a Pooloob PF1, you will find the right replacement to bring your cleaner back to life. For more on maintaining your pool robot, check out our guide to Pentair pool cleaner replacement brushes.

4
Top Rated

BGD 6101641-R2 Grey Climbing Brushes for Dolphin

BGD
9.9 /10
AI Score
AI score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the AI tool. This score doesn't impact from any manufacturer or sales agent websites. Learn more ›
These BGD grey climbing brushes are a direct replacement for Dolphin robotic pool cleaners like the M200, DX3, and DX4, restoring effective scrubbing and wall-climbing traction. Ideal for pool owners looking to maintain peak cleaning performance without buying a whole new robot.
Pros & Cons

Pros

  • Compatible with a wide range of Dolphin models
  • Restores climbing ability and scrubbing performance
  • Affordable replacement compared to buying new robot
  • Two brushes included for complete replacement
  • Easy installation with proper fit check

Cons

  • Compatibility may vary by robot revision, so verification is required
  • Does not include other parts like tracks or filters
  • No customer reviews yet to confirm long-term durability
Detailed Review

The BGD 6101641-R2 Grey Climbing Brushes are a replacement set designed for Dolphin robotic pool cleaners, specifically models like the M200, DX3, and DX4. They come as a two-pack to replace both front and rear brushes, restoring the robot's ability to scrub pool floors and climb walls effectively.

These brushes are engineered to rotate with the robot's movement, dislodging dirt and debris while maintaining traction on vertical surfaces. Users can expect a noticeable improvement in cleaning performance once worn brushes are replaced, making this a cost-effective maintenance solution.

Build quality appears solid with grey composite bristles that resist wear and water damage. The set includes two identical brushes, but buyers must verify the shape, length, and mounting configuration of their existing brushes to ensure compatibility, as similar-looking robots may use different assemblies.

One potential drawback is the lack of customer reviews, so real-world longevity is unconfirmed. Additionally, compatibility varies by robot revision, so double-checking your model number is essential before purchase.

Overall, the BGD 6101641-R2 brush set offers a reliable and affordable way to keep your Dolphin pool cleaner performing at its best. If you need to restore scrubbing and climbing function, this two-pack is a smart choice.

Buying Guide: What to Look for in a Rear Brush Replacement

Compatibility With Your Pool Cleaner Model

The most important factor is fit. Rear brushes differ in length, end connectors, and mounting design. Always check your cleaner’s model number against the replacement’s compatibility list. For instance, the Pool Cleaner Rear Brushe Replacement Parts explicitly matches Dolphin M600, M700, and similar models, while the 6101641-R2 Front Rear Brush Set Compatible fits a wide range of Maytronics and Dolphin units.

Material Durability and Wear Resistance

Pool chemicals, UV exposure, and constant friction can degrade cheap brushes. Look for high-toughness elastic materials that resist cracking or softening. Options like the BGD 6101641-R2 Grey Climbing Brushes for Dolphin use robust polymers built for long-term submersion. Similarly, the Doule King Replacement Rear Dynamic Brush emphasizes wear-resistant construction to reduce replacement frequency.

Scrubbing and Climbing Performance

A rear brush isn’t just for traction; it also scrubs debris from walls and floors. The bristle stiffness and profile matter. For example, the Dolphin Genuine Replacement Part (6101656-R4) is designed for ultimate wall scrubbing, while the Pool Cleaner Rear Brush Fit for Dol-phin M600 M700 focuses on restoring stable movement. Choose a brush that balances bristle firmness with flexibility to avoid damaging pool surfaces.

Ease of Installation

Some brushes require removing the old connector or using tools, while others simply snap on. Integrated designs like the LBLVBNEWD rear brush (ASIN B0GT4N6TBZ) simplify assembly. If you prefer a tool-free swap, look for products that mention quick installation. Our review of Zodiac replacement brushes covers similar easy-fit options.

Final Thoughts

Choosing the right rear brush replacement restores your pool cleaner’s ability to climb walls and scrub every inch. For affordable reliability, the Pooloob PF1 Robotic Pool Cleaner Replacement Parts kit offers a complete set of brushes and wheel rings for a budget-friendly refresh. If you prefer OEM quality, the Dolphin Genuine Replacement Part (2-pack) provides a perfect fit for most Maytronics models and ensures peak performance season after season. Browse our guide to cordless pool vacuums for more cleaning solutions.

Frequently Asked Questions

How often should I replace the rear brush on my robotic pool cleaner?

Most manufacturers recommend replacing brushes every 6 to 12 months, depending on pool usage and water chemistry. If you notice slipping on walls or reduced scrubbing, it is time for a new rear brush. For high-use pools, check brushes every September and swap them when bristles appear worn.

Can I use a front brush as a rear brush replacement?

No, front and rear brushes have different sizes, shapes, and mounting connections. Always use the specific rear brush designed for your model. Some kits, like the Dolphin Genuine Replacement Part, include both front and rear brushes to ensure proper fit.

Will a worn rear brush affect my pool cleaner’s battery life?

Yes, a worn brush can cause the cleaner to work harder to maintain traction, draining the battery faster. Replacing it restores efficient movement and extends overall run time. For tips on maximizing battery performance, see our review of AIPER Scuba X1 Advanced.

Are genuine Dolphin brushes better than third-party options?

Genuine Dolphin brushes offer guaranteed compatibility and are built to original specifications. However, many third-party replacements, such as the BGD 6101641-R2 Grey Climbing Brushes, provide similar quality at a lower cost. Check materials and reviews to make an informed choice.