C6 Replacement Parts for Polaris 180 280 280 Tanktrax, VAC-Sweep 280 Pool Cleaner. Replacement Part Number: C6. Compatible Models: C6 Replacement Big Wheel for Zodiac, for Polaris 180, 280, 280 Tanktrax, VAC-Sweep 280 Pool Cleaner. Cheap ways to repair your pool cleaner. It's much cheaper than buying a new cleaner or paying someone to repair it, or even buying a maintenance kit. Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to the actual item received.