Polaris Zodiac 3900 Wheel Sprocket Assembly with Bearing (39-420) filburmfg Useful when the original mount

Useful when the original mount is damaged or worn

8A design support intended electrical fit

Val-Pak manifold gasket for compatible CLN

Replacing the union is often a smart focused repair when the surrounding plumbing is still serviceable and the removable joint itself has become the problem area

Polaris Zodiac 3900 Wheel Sprocket Assembly with Bearing (39-420) filburmfg Useful when the original mountThe wheel sprocket assembly with bearing is part of the Polaris 3900 drive system that helps transfer motion to the cleaner wheels. If the cleaner is slipping, binding, or failing to drive correctly, worn sprocket or bearing components may be involved. This replacement assembly helps restore the mechanical connection needed for smooth wheel operation. It is a valuable part for deeper 3900 cleaner repairs where traction and drive performance need to be