If your Dolphin Quantum pool cleaner isn’t picking up debris as efficiently as it once did, or if the motor sounds sluggish, you might be facing worn out parts. The good news is that replacing key components like filter baskets, drive belts, and climbing rings can restore peak performance without buying a whole new robot. In this guide, we’ve evaluated nine top rated replacement parts for Dolphin Quantum and compatible models, ranging from ultra fine filter baskets to genuine motor units and maintenance kits. Whether you own a Quantum, S200, Active 20, or Proteus DX4, you’ll find the right fix here. For more background on keeping your cleaner in shape, check out our essential dolphin repair parts.

1
Best Seller

Ulticor Ultra Fine Filter Basket Replacement

ULTICOR
9.9 /10
AI Score
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This aftermarket filter basket from Ulticor uses advanced microfiltration to capture fine debris, keeping your pool cleaner and water clearer. Best for owners of compatible Dolphin robotic cleaners seeking a high-quality, cost-effective replacement.
Pros & Cons

Pros

  • High-efficiency microfiltration captures fine dirt, sand, and leaves for pristine pool water.
  • Works with a wide range of popular Dolphin robot models, reducing the need for multiple filter types.
  • Easy to clean and maintain with no special tools required.
  • Affordable price compared to manufacturer replacement filters.
  • Solid build quality with lightweight yet sturdy plastic construction.

Cons

  • Not compatible with Dolphin Nautilus CC Pro or CC Supreme models, limiting its use for newer variants.
  • Older versions of Active 10 or S50 may require removal of a plastic piece for proper fit, which could be inconvenient for some users.
  • As an aftermarket part, it may not perfectly match OEM quality or warranty coverage.
Detailed Review

The Ulticor Ultra Fine Filter Basket is an aftermarket replacement designed specifically for a wide array of Dolphin robotic pool cleaners. It is an ideal choice for pool owners who already own compatible models such as the Dolphin S50, S100, Active 10/15, Echo, T15, T25, Proteus DX3, Saturn, Cayman, Escape, and others. This basket is not intended for the Nautilus CC Pro or Supreme versions, so buyers should verify compatibility before purchasing.

What sets this filter apart is its microfiltration technology, which captures even the tiniest debris particles. In real-world use, this translates to a noticeably cleaner pool with clearer water, as fine dirt, sand, and pollen are effectively trapped. The basket is easy to rinse and clean every four to six weeks, maintaining peak performance without hassle. Users report that it fits snugly and works reliably cycle after cycle.

The design is straightforward: a white, lightweight plastic basket measuring roughly 9x5x7 inches. Build quality feels solid for an aftermarket part, though it may not have the exact finish of an OEM component. The inclusion of installation tips for older Active 10 or S50 units (which may need a small internal plastic piece removed) shows attention to compatibility details. A video guide is available upon request to assist with that adjustment.

Potential drawbacks are mostly centered on fitment limitations. Owners of Nautilus CC Pro or Supreme will need to look elsewhere. Also, the need to modify older robots could be a minor inconvenience for those not comfortable with simple DIY tasks. However, for the vast majority of compatible users, installation is plug-and-play.

Overall, the Ulticor Ultra Fine Filter Basket offers excellent value for money. It delivers superior filtration at a lower price than official replacements, while covering a wide range of popular Dolphin models. If you own one of the listed robots and want to keep your pool sparkling clean without breaking the bank, this filter is a smart buy.

2
Editor's Pick

Dolphin Genuine Replacement Motor Unit 9995389-EX

Dolphin
9.9 /10
AI Score
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This genuine Dolphin replacement motor unit restores your robotic pool cleaner's performance. Ideal for owners of compatible models like S50, Active 10, and T15 seeking a reliable OEM part.
Pros & Cons

Pros

  • OEM quality ensures reliability and long life
  • Wide compatibility with popular Dolphin models
  • Restores original performance and cleaning efficiency
  • Simple installation process with direct fit
  • Backed by Dolphin warranty for peace of mind

Cons

  • Higher price compared to generic aftermarket alternatives
  • Limited to listed compatible models; not universal
  • No reviews yet to confirm long-term durability
Detailed Review

This replacement motor unit from Dolphin is a genuine OEM part designed for owners of specific robotic pool cleaners. It is intended for those who want to restore their cleaner's functionality without switching brands.

The motor unit is compatible with models like the S50, Active 10, and T15, ensuring a direct fit. It delivers the same propulsion and cleaning power as the original, making it a reliable choice for maintaining your pool.

Built with Maytronics certified components, this motor unit meets factory standards for durability. Its compact dimensions (7.9x7.9x9.2 inches) allow straightforward installation in most compatible cleaners.

The main drawback is the cost, which is higher than aftermarket parts. Additionally, compatibility is limited to the listed models, so verify your model before purchasing.

Overall, this genuine Dolphin motor unit is a solid investment for extending the life of your pool cleaner. It offers peace of mind with OEM quality and ease of installation.

4
Top Rated

ANTOBLE 4Pcs Climbing Rings Replacement

ANTOBLE
9.8 /10
AI Score
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These ANTOBLE climbing rings are a direct replacement for Maytronics Dolphin pool cleaners, featuring durable PVA construction and broad compatibility. Ideal for pool owners looking to restore their robot's wall-climbing performance without buying a new cleaner.
Pros & Cons

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.
Detailed Review

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.

6

ANTOBLE Pool Cleaner Replacement Guide Wheels

ANTOBLE
9.6 /10
AI Score
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This ANTOBLE replacement kit includes four guide wheels and two pulley gears for Maytronics Dolphin pool cleaners. Made from durable POM, it offers a cost-effective way to restore your cleaner's mobility and performance.
Pros & Cons

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
Detailed Review

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.

7

Fiitzn Ultra Fine Filtration Basket for Dolphin

Fiitzn
9.6 /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 ›
The Fiitzn Ultra Fine Filtration Basket is a durable replacement filter for many Dolphin robotic pool cleaners, using microfiltration to trap fine debris without clogging quickly. Ideal for pool owners who want long-lasting performance and easy maintenance.
Pros & Cons

Pros

  • Microfiltration prevents clogging and maintains strong suction for thorough cleaning
  • Sturdy ABS construction ensures durability even in heavy-duty use
  • Wide compatibility saves hassle of finding exact match for various Dolphin models
  • Simple maintenance with periodic rinsing; no tools required
  • Cost-effective alternative to OEM parts with comparable performance

Cons

  • May require more frequent rinsing if the pool is heavily soiled or has fine debris
  • Only one basket included; some pool owners may need to purchase additional for larger pools
  • Not compatible with all Dolphin models; verify compatibility list before purchase
Detailed Review

The Fiitzn Ultra Fine Filtration Basket is a replacement filter designed for a wide range of Dolphin robotic pool cleaners, including models like the S50, Active 15, Echo, Nautilus CC, Encore, E10, E20, Proteus DX3, Solo, and Advantage. This part (9991460-R1) is ideal for pool owners seeking an affordable, high-performance alternative to the original filter. It is especially suited for those who want to improve water clarity by trapping fine particles without sacrificing cleaning efficiency.

The standout feature of this basket is its microfiltration technology, which captures small debris while allowing larger particles to pass through. This design prevents the filter from clogging quickly, ensuring consistent suction and longer cleaning cycles. In real-world use, this means less downtime for rinsing and more effective pool maintenance, even in dirty conditions. The basket maintains strong performance over weeks of use before needing a quick rinse.

Build quality is solid thanks to the ABS plastic frame, which resists cracking and deformation under pressure. The filter layer is securely supported, reducing the risk of tearing during operation. Installation is straightforward: it fits exactly like the original part, so no modifications or adapters are needed. Rinsing every 4-6 weeks keeps it working optimally, and with proper care, the basket can last 2-3 years, offering excellent value.

One potential drawback is that in extremely dirty pools, the filter may need more frequent rinsing to maintain flow. Additionally, the package includes only one basket, so owners of larger pools might need to buy a second. Also, while compatibility is broad, it does not cover every Dolphin model, so double-checking the list is wise. These are minor trade-offs for the price and performance.

Overall, the Fiitzn Ultra Fine Filtration Basket delivers on its promise of efficient fine debris capture and durability. It is a smart upgrade or replacement for Dolphin pool cleaner owners who want to keep their water crystal clear without breaking the bank. The combination of microfiltration, sturdy construction, and broad compatibility makes it a reliable choice for routine pool care.

Specifications

Dimensions: 9.1 x 7.1 x 5.3 inches

Weight: 1 pound

Material: ABS plastic frame with microfiltration mesh

Compatibility: Dolphin models S50, S100, Active 15, Echo, T15, Proteus DX3, E20, Cayman, Escape, Nautilus CC, Encore, E10, Solo, Advantage

Replaces OEM Part: Maytronics 9991460-R1

Maintenance: Rinse every 4-6 weeks; expected lifespan 2-3 years with proper care

Buying Guide

Filter Filtration Quality

The filter basket or panel is the heart of your Dolphin’s cleaning ability. Ultra fine microfiltration captures tiny particles like algae spores and fine sand, leaving pool water crystal clear. Look for aftermarket options like the Ulticor Ultra Fine Filter Basket Compatible or the Gearwiz Ultra Fine Filter Basket Compatible, both of which use high density non woven media. For Quantum owners, ensure the basket part number matches your model (e.g., 9991458-R1 or 9991460-R1).

Compatibility and Fit

Not all Dolphin parts are universal. The Quantum shares its filter basket with the S200, S300, Active 20, and Triton PS series, but older models like the S50 or Active 10 use a different shape. Always double check the compatibility list on the product page. For example, the 9991467-R4 Ultra Fine Filter Panel Parts fit the S200/S300 family, while the Fiitzn Ultra Fine Filtration Basket Compatible works with S50 and Active 15. If you are unsure, consult our dolphin replacement parts on amazon guide for model specific advice.

Durability and Build Quality

Replacement parts should withstand chlorine, UV, and constant water pressure. Genuine Dolphin parts like the Dolphin Genuine Replacement Part motor unit are built to OEM specs, but aftermarket options from ANTOBLE and Fiitzn use reinforced ABS plastic and PVA foam that rival the originals. For climbing rings and guide wheels, opt for PVA or POM materials that resist cracking. The 4Pcs Climbing Rings Replacement for Maytronics from ANTOBLE are a budget friendly choice that holds up well.

Ease of Installation

Most Dolphin replacement parts are designed for tool free installation. Filter baskets snap in and out, climbing rings slide onto the tracks, and guide wheels secure with simple clips. The Viskeysta Premium Maintenance Kit Compatible even includes a multi surface roller brush and tire belt that can be swapped in under two minutes. If you prefer a complete overhaul, a maintenance kit saves time versus buying individual components. For more tips, read our dolphin pool robot parts article.

Final Thoughts

Whether you need a quick filter swap or a full motor replacement, the market offers reliable options for every Dolphin Quantum owner. For daily debris pickup, the Ulticor Ultra Fine Filter Basket Compatible delivers exceptional microfiltration at a fair price, while the Dolphin Genuine Replacement Part motor unit is the best choice if your robot’s drive system has failed. Both will extend the life of your pool cleaner and keep your water sparkling all season long.

Frequently Asked Questions

How often should I replace the filter basket on my Dolphin Quantum? Rinse the basket every 4 to 6 weeks, and replace it every 1 to 2 years depending on usage. If you notice reduced water flow or debris bypass, it is time for a new one.

Can I use aftermarket parts on my Dolphin pool cleaner? Yes, many aftermarket parts from brands like ULTICOR, Gearwiz, and ANTOBLE are designed to match OEM specifications. Just verify compatibility with your specific model before ordering.

What are signs that the motor unit needs replacement? If the cleaner moves slowly, makes unusual grinding noises, or fails to climb walls, the motor may be worn. The Dolphin Genuine Replacement Part motor unit is a direct fit for many models including the Quantum.

Do I need to replace climbing rings and guide wheels regularly? Yes, these parts wear down over time and affect wall climbing ability. Replace them every season or when you notice slipping. The 4Pcs Climbing Rings Replacement for Maytronics and Pool Cleaner Replacement Parts Guide Wheels are popular choices for 2026.