This Maytronics Dolphin™ 99953036-EX Wave 300 XL Motor Unit for Dolphin™ Wave 300 is a reliable replacement part, designed to seamlessly integrate with the original pool cleaning system. The motor unit drives the cleaner's overall operation. Maytronics pool cleaners help keep your pool healthy and clean, which is of the utmost importance. Ensure that your pool cleaner is running as cleanly as possible with this certified genuine part.