Maytronics Dolphin M400 / M500 Motor Unit – 99953054-EX Genuine Replacement

The Maytronics 99953054-EX is the genuine OEM replacement motor unit for the Dolphin M400 and M500 robotic pool cleaner series. Replacing a worn or failed motor unit restores full drive, filtration, and navigation performance, bringing your cleaner back to factory specification.

Key Features

• Genuine Maytronics OEM part — ensures fit, performance, and warranty compliance
• Compatible with Dolphin M400 and M500 robotic pool cleaner models
• Complete motor block assembly including drive motor, impeller housing, and connectors
• Restores full cleaning performance: drive, suction, and navigation
• Maytronics part number: 99953054-EX

Compatibility

• Dolphin M400
• Dolphin M500

If you are unsure whether this part suits your specific cleaner model or serial number, please contact us before ordering.

Related Dolphin M400 / M500 Spare Parts

• Maytronics Dolphin M400 M500 Impeller Motor (9991218-ASSY)
• Maytronics Dolphin Impeller (9995266)
• Maytronics Active Brush Holder Kit – M400, M500 & compatible models
• Maytronics/Dolphin Wheel Active Brush Assembly
• Maytronics Dolphin Drive Pulley (3883645)

Specifications

• Part Number: 99953054-EX
• SKU: 99953054-EX
• Compatible Models: Dolphin M400, M500
• Type: Motor unit assembly (genuine OEM)
• Brand: Maytronics
• Weight: 2 kg
• Condition: New

Frequently Asked Questions

Is the 99953054-EX a genuine Maytronics part?

Yes. The 99953054-EX is a genuine OEM Maytronics replacement motor unit, sourced directly from Maytronics. Using genuine parts ensures correct fit, maintains cleaning performance, and supports warranty compliance.

What symptoms indicate the motor unit needs replacing on a Dolphin M400 or M500?

Common signs include the cleaner not moving or moving erratically, loss of suction, unusual noise from the motor compartment, or the cleaner stopping mid-cycle. A failed motor unit is one of the most common causes of these issues in Dolphin M400 and M500 models.

Does the 99953054-EX fit other Dolphin models beyond the M400 and M500?

The 99953054-EX is specified for the Dolphin M400 and M500. Maytronics uses several motor unit variants across their range. If you have a different model, please contact us with your model number and serial number to confirm compatibility before ordering.