39-200 Zodiac/Polaris Gearbox Assy, Zodiac Polaris 3900 $157.08 39-200 Zodiac/Polaris Gearbox Assy, Zodiac Polaris 3900 Warranty: 90-Day Whole Good Type: Pool Cleaner Manufacturer: Polaris Compatible With: Polaris 3900 Parts and Hardware: Gear Box Product Type: Pool Part Add to Cart