The Pentair Idler Gear Kit is a genuine replacement part designed for the Great White GW9000 automatic pool cleaner. This kit includes three durable gears that work in sync with the cleaner’s bristle-drive mechanism, helping it scrub and vacuum away even the most stubborn dirt and debris. By maintaining smooth gear operation, the kit ensures consistent performance and powerful suction, making it an essential component for keeping your pool spotless and your cleaner running efficiently.