Polaris 3900 Sport Single-Side Wheel | 39-401 Caretaker This keeps the engine assembly

This keeps the engine assembly tight into place giving the cleaner its power to operate

consider the Gamma Series adjustable‑flow heads

It also features an automatic shut-off to prevent overfilling

The same high-quality materials were used to manufacture the original factory part

Polaris 3900 Sport Single-Side Wheel | 39-401 Caretaker This keeps the engine assemblyPolaris 3900 Sport Single Side Wheel (39 401) The single side wheel is a replacement part made by Polaris. Also, this part is made from the same high grade plastic material as the original factory model. Making this a genuine OEM product. This part is designed to spin while allowing the wide trax tire to help the cleaner to move along the bottom surface of your pool. It also allows it to climb up and down the pool walls providing a deep clean for the