Maytronics 99831521 Replacement Blue Track Restore your Dolphin pool cleaner's peak performance with this genuine Maytronics 99831521 Blue Track. Engineered for a perfect fit, this factory original replacement track ensures optimal movement and climbing ability for your robotic pool cleaner. ✅ Key Features: Authentic Maytronics part for reliable performance and durability Blue rubber track designed for superior traction on pool surfaces Easy installation—replace worn or damaged tracks in minutes Exact replacement for part numbers 99831521 and 99831521-R2 (this listing is for a single track; order two for a complete set) 🛠️ Compatible With: Dolphin Nautilus CC Plus Dolphin Triton PS / PS Plus Dolphin Proteus DX4, DX5i Dolphin Quantum, Cayman, Premier, Oasis Z5i, and most models using blue tracks Check your cleaner’s manual or existing part number to confirm compatibility 🔄 Replacement Info: Direct replacement for Maytronics 99831521 and equivalent to 99831521-R2 (single track only) Replace both tracks at the same time for best performance 📝 Installation: Turn off and unplug your pool cleaner Remove the old track by gently sliding it off Install the new track by aligning it on the drive and pressing into place Refer to your owner's manual for step-by-step instructions ✨ Restore climbing power and extend the life of your Dolphin with a genuine Maytronics blue track replacement. For questions about compatibility, contact our pool parts experts!