Polaris Gearbox Assembly for 3900 Sport Pool Cleaner 39-200 Robotic Cleaners The unique finned design enhances

The unique finned design enhances surface contact

With unsurpassed efficiency and reliability

reinforced construction prevents debris

It's a hassle-free

maintaining water quality

Polaris Gearbox Assembly for 3900 Sport Pool Cleaner 39-200 Robotic Cleaners The unique finned design enhancesThe Polaris Gearbox Assembly for 3900 Sport Pool Cleaner (39 200) is a genuine OEM part designed for optimal performance. Made from high quality materials, this gearbox assembly ensures durability and reliability. It works seamlessly with other components to provide efficient pool cleaning. The assembly sits between the frame and bottom housing, driving the wheels via the chain for smooth movement. If your cleaner stops moving, the gearbox assembly