Is your Dolphin M400 pool cleaner leaving streaks on the pool floor or struggling to climb walls? Worn brushes are often the culprit. When the bristles lose their stiffness, the robot can’t scrub effectively, and its movement becomes erratic. This guide covers the best replacement brushes for Dolphin M400 pool cleaner in 2026, helping you restore your unit’s cleaning power and extend its life. Whether you need a simple brush swap or a full tune-up kit, we have you covered with our top picks.
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
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.
Pros
- Durable PVA material resists wear and maintains shape.
- Wide compatibility covers many popular Dolphin robot models.
- Cost-effective replacement versus buying a new cleaner.
- Simple to install with no modifications needed.
- Rings dry and shrink for storage, then rehydrate to soft state.
Cons
- Rings arrive dry and hard; must soak before use (this is normal).
- No included instructions for installation (though straightforward).
- May not fit all Dolphin models not listed; check measurements.
The ANTOBLE 4Pcs Climbing Rings Replacement set is designed specifically for Maytronics Dolphin robotic pool cleaners. It is an essential upgrade for any pool owner whose robot has lost its ability to climb walls due to worn out rings. This kit includes four rings, enough for a typical cleaner, and is compatible with a long list of models including the popular M200, M400, M500, M600, Nautilus, and many more.
The standout feature is the use of premium PVA material. Unlike some cheaper alternatives, these rings are built to last. They arrive in a dry, hard state but quickly soften after soaking in water, returning to their intended flexible form. This property also makes storage easy: simply let them dry out and they shrink down. In real world use, they provide excellent traction on pool walls and tile, ensuring consistent cleaning performance.
Build quality feels solid. The rings measure 3.62 inches in diameter and 1.02 inches thick, with a centered hole of 1.89 inches, matching factory specs. they slide onto the cleaner axles easily. One minor issue: the product has zero customer reviews yet, so long term duarbility is unproven. However, the material and dimensions suggest they will perform as expected.
no significant drawbacks beyond the need to soak before first use. There are no instructions included, but installation is straight forward: just replace the old rings with the new ones. Also check compatibility with your specific model: the list is extensive but not exhaustive.
Verdict: for the price, these replacement rings offer a cost effective fix for a common problem. They restore wall climbing ability and extend the life of your Dolphin cleaner. If you have one of the many compatible models, this set is a smart buy.
Pros
- Premium POM material ensures long service life
- Broad compatibility with many Dolphin models
- Practical kit includes all essential parts for replacement
- Easy installation process
- Good value compared to OEM options
Cons
- Does not fit older Nautilus CC model
- Manual measurement may result in slight size variations
- No customer reviews yet to confirm long-term reliability
If you own a Maytronics Dolphin pool cleaner and notice reduced movement or slipping, worn guide wheels and gears are often the culprit. The ANTOBLE replacement parts kit offers a straightforward fix. It includes four guide wheels and two pulley gears designed to fit a broad range of Dolphin models, from the Nautilus CC Plus to the M500 and beyond.
Standout features include the use of high-quality POM material, which is known for its strength and low friction. This means the parts should resist wear far longer than basic plastic alternatives. In use, the wheels and gears restore smooth tracking and traction, helping your cleaner cover the pool floor efficiently.
Build quality appears solid, with precise dimensions matching original parts. The guide wheels measure about 2.05 inches in diameter and 1.06 inches thick, while the pulley gears are slightly larger. Installation is simple, typically requiring just a screwdriver to swap out old components.
One potential downside is that this kit does not work with the older Nautilus CC model, so check your cleaner's model number before buying. Also, the manual measurement note suggests a possible slight variance, though most users should find a proper fit. As a new product with no reviews yet, long-term durability is unproven but the material choice inspires confidence.
Overall, the ANTOBLE replacement kit is a practical, affordable solution for refreshing your Dolphin cleaner's drive system. If you need a quick fix to restore performance without paying OEM prices, this set is a solid choice.
Buying Guide
Compatibility with Your Dolphin M400
Not every brush fits every Dolphin model. The M400 uses a specific brush configuration, often requiring the 6101641-R2 part number for front and rear brushes. Before purchasing, verify your cleaner’s model number and compare the brush shape, length, and mounting points with the product images. Some brushes, like the Pool Cleaner Rear Brushe Replacement Parts, are designed for multiple models including the M600, so double-check compatibility to avoid returns.
Brush Material and Durability
Pool environments are harsh on brushes. Look for options made from high-toughness elastic materials that resist pool chemicals, sunlight, and frequent friction. Premium brushes won’t soften, deform, or crack over time, maintaining their scrubbing power. For example, the Pool Cleaner Rear Brushe Replacement Parts uses an upgraded integrated structure for longevity, while the BGD 6101641-R2 Grey Climbing Brushes for Dolphin are built for consistent scrubbing.
Ease of Installation
Replacing brushes should be straightforward. Many modern brush sets feature all-in-one designs that simplify installation and reduce the risk of missing parts. Some products, like the integrated rear brush from LBLVBNEWD, require removing the old brush’s connecting port, so follow instructions carefully. If you prefer a simple swap, the Dolphin Genuine Replacement Part is a plug-and-play option from the OEM.
Value-Added Kits
Sometimes, a single brush replacement isn’t enough. Tune-up kits bundle brushes with other wear items like filter panels, tracks, and climbing rings. The for CC Plus Tune Up Rebuild Kit with 9991433-R4 includes everything to refresh your cleaner’s performance. Similarly, replacing climbing rings (4Pcs Climbing Rings Replacement for Maytronics) can improve wall traction. Consider these kits for a comprehensive maintenance session.
For more insights on maintaining your Dolphin, check out our guide on top replacement brushes for dolphin premier pool cleaner or explore best dolphin premier replacement brushes. If you own a Sigma, see Best Replacement Brushes for Dolphin Sigma Pool Cleaner or Best Dolphin Sigma Replacement Brushes. For Explorer E50 owners, visit Best Replacement Brushes for Dolphin Explorer E50 Pool Cleaner. Our Replacement Brushes category page has more options.
Final Thoughts
Restoring your Dolphin M400’s cleaning performance comes down to choosing the right brushes. For a direct OEM replacement, the Dolphin Genuine Replacement Part offers reliable quality at a great price. If you want a complete refresh, the for CC Plus Tune Up Rebuild Kit with 9991433-R4 provides excellent value by including filters and tracks alongside brushes. Whichever you choose, your pool will thank you.
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Frequently Asked Questions
How often should I replace the brushes on my Dolphin M400?
Inspect your brushes every three to six months. Replace them when the bristles appear worn, flattened, or if the cleaner leaves debris behind. Heavy pool usage or abrasive surfaces may require more frequent changes. Using genuine or high-quality aftermarket parts ensures optimal performance in 2026.
Are aftermarket brushes as good as OEM Dolphin brushes?
Many aftermarket brushes, like those from ANTOBLE or BGD, are made from durable materials and match OEM specifications. They can offer similar performance at a lower cost. However, OEM parts like the Dolphin Genuine Replacement Part guarantee exact fit and compatibility. Check reviews and specifications to ensure quality.
Can I use brushes from a Dolphin M600 on my M400?
Some brush sets are compatible with multiple models, including the M400 and M600. Always verify the part number and brush dimensions before purchasing. The Pool Cleaner Rear Brushe Replacement Parts lists M600 compatibility, but confirm your model’s fitment.
What other parts should I replace along with the brushes?
For a complete tune-up, consider replacing filter panels, climbing rings, and tracks. Worn climbing rings can reduce wall-climbing ability. The 4Pcs Climbing Rings Replacement for Maytronics is an affordable upgrade, and tune-up kits like the for CC Plus Tune Up Rebuild Kit with 9991433-R4 bundle everything together.
