Rear Axle block assy

Built on Polaris expertise, the Polaris 3900 Sport delivers the most technologically advanced pool cleaner on the market.

• PosiDrive all-wheel drive system with 50% more torque
• Most vacuum power of any 3-jet Polaris cleaner, with 40 GPM of additional pool filtration through the filter bag
• 5-liter capacity filter bag with easy twist-release connector
• Durable plastics and stainless steel hardware.

With a sleek and sporty new body design, the Polaris 3900 Sport re-defines Polaris performance for your pool.

Replacement Polaris Rear Axle Block Assy for your Polaris 3900s Pool Cleaner part # 39-430.