Enhance your Dolphin pool cleaner's performance with this genuine Maytronics Guide Wheels and Pulley Gears 4-Pack. Designed specifically for models like the Heavy-Duty, Dynamic Dx6, Deluxe 4, 3001, and more, these replacement wheels and pulleys ensure a smooth and efficient cleaning process. Each pack includes four guide wheels (3884997) and two pulleys (3883645), promising reliable functionality. Compatible also with Pentair Prowler and Spectra Light models, these parts maintain optimal maneuverability and cleaner longevity. Keep your pool cleaner running at its best with these essential replacement components.