
Genuine Maytronics part · Tracks & Wheels
Maytronics Guide Wheels (2 Pack) and Pulley Kit
Part number 3884997-R3 · UPC 810071221125 · 1 year part warranty
Genuine Maytronics guide wheels and pulley gear for Dolphin Premier, Dolphin Nautilus CC Plus and Dolphin Explorer E25.
$39.99 MSRP
Not stocked by Poolbots. Sold on Amazon as a genuine Maytronics part.
Ships from Amazon.com. As an Amazon Associate, Poolbots earns from qualifying purchases.
About this part
What it does and when to replace it.
This genuine Maytronics kit, part 3884997-R3, replaces the guide wheels and pulley gear in the robot's track system. The guide wheels help keep the tracks on their path as the robot moves.
Fit is confirmed for Dolphin Premier, Dolphin Nautilus CC Plus, Dolphin Explorer E25 and Dolphin Nautilus CC Plus WiFi. The kit includes two replacement guide wheels and one pulley gear. Poolbots does not currently stock this part. Contact Poolbots' pool experts by live chat or phone with your exact model name to confirm fit and discuss replacement needs.
- Have your exact robot model and part number 3884997-R3 ready when you contact Poolbots' pool experts.
- The spec sheet includes additional model names. Ask Poolbots' pool experts to verify fit rather than relying on a similar name.
Compatibility
Fits these Dolphin robots.
Confirmed by Maytronics' compatibility checker and each robot's own spare-parts list.
Also listed by Maytronics for: Dolphin Premier, Dolphin Nautilus CC Plus, Dolphin Nautilus CC Plus w/ Wi-Fi, Dolphin Revolution V4, Explorer, Dolphin Hydro 40, Dolphin DIVER PRO 150, Dolphin Evolution 40, EX45, Dolphin EX45, F40, PS40, SF40, Dolphin SF40, Dolphin Swell M, Dolphin Zenit 15, Dolphin Active Classic, Dolphin Easy Comfort, Dolphin KAPTUR 150, Dolphin X60, POOL IN, POOL UP, Dolphin POOL UP, Dolphin Swift, Dolphin X FORCE 10, M200, Dolphin M200, Dolphin DX3, Dolphin Swell, Dolphin Triton 2014, Dolphin Swash CL, Cosmos 20, Dolphin X FORCE 20, Dolphin Smart Active, Dolphin Maximus X55, Dolphin SOPRA CLASSIC, Dolphin X55, Dolphin Active X3, Dolphin Zenit 10, Dolphin M250.
Do it yourself
How to replace it at home.
Switch off and unplug the power supply.
Remove the robot from the pool and place it on a stable work surface.
Confirm the replacement procedure for your model with Poolbots' pool experts.
Follow that procedure to remove the old guide wheels and pulley gear.
Fit the two new guide wheels and pulley gear, then reassemble as directed.
Check that the wheels and tracks move freely before using the robot.
Step-by-step answers for this kind of part
How do I replace the side paddlewheel on my Skimmi?Video15 min
Follow the video and steps below to replace the side paddlewheel on your Dolphin Skimmi.

Step 1Remove the old paddlewheel
- Turn the robot over so it rests on the solar panel.
- Take the filter out of the robot.
- Turn the side paddlewheel until you find the screw, identified as Paddlewheel Screw M2.5 × 8 mm – DIN913 A2.
- Take out the screw with a 1.2 mm star screwdriver.
- Gently take the paddlewheel off the robot.
- Follow the same removal steps on the opposite side if needed.
Step 2Install the replacement paddlewheel
- Position the new paddlewheel so its holes line up.
- Dip the screws in Loctite 574 before inserting them. Then tighten them with the star screwdriver.
- Follow the same installation steps on the opposite side if needed.
- Put the filter tray back into the robot.
Specifications
General Info
- Warranty (years)
- 1
- UPC
- 810071221125
Questions
Maytronics Guide Wheels (2 Pack) and Pulley Kit, answered.
Which robots are confirmed to fit this kit?
Confirmed models are Dolphin Premier, Dolphin Nautilus CC Plus, Dolphin Explorer E25 and Dolphin Nautilus CC Plus WiFi. For another model, ask Poolbots' pool experts by live chat or phone.
What comes in kit 3884997-R3?
The kit contains two replacement guide wheels and one pulley gear. The two-pack count refers to the guide wheels, not two complete kits.
What warranty is listed for this part?
The listed part warranty is one year.













