Polaris 3900 Sport Wheel Sprocket Assembly w/ Bearing | 39-420 spo-disabled Upgrade your pool system with

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Polaris 3900 Sport Wheel Sprocket Assembly w/ Bearing | 39-420 spo-disabled Upgrade your pool system withPolaris 3900 Sport Wheel Sprocket Assembly w Bearing (39 420) The wheel sprocket assembly w bearing is a replacement part made by Polaris. The same high grade plastic material was used to create the original factory part. It can perform the same way as well ensuring that you are purchasing a genuine OEM part. There are two of these sprockets that are needed to be able to give the cleaner the ability to move along the surface with the two bearings