Item is Pre-owned, but is in good condition and has been fully tested. Works with many Polaris Pool Robot Vacuum model s (Feel free to send an eBay message prior to purchasing if you want to make sure that this motor will be compatible with your pool robot) No reason to spend $500+ on a new motor block, or $1000+ on a new robot when you are just needing a replacement motor. Please check out my eBay store, as I sell a lot of different parts for all makes and models of the Polaris pool robots
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