Polaris 3900 Sport Gearbox Assembly Style_Retro Pop Up Heads use only industry-standard pool-grade gray

use only industry-standard pool-grade gray glue to ensure a secure and leak-free connection

and more for enhanced durability

Proper installation is crucial for optimal performance

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Polaris 3900 Sport Gearbox Assembly Style_Retro Pop Up Heads use only industry-standard pool-grade grayPolaris 3900 Sport Gearbox Assembly (39 200) The gearbox assembly is manufactured by Polaris for the 3900 Sport model cleaner. It is made from the same high quality materials used for the original factory part. Making this a genuine OEM product that you can trust. This gearbox was designed to work in correlation with a few other components that give it the power and ability to move along and clean the surface of your pool. This assembly sits in