Hayward AXV621DAT A-Frame & Turbine KitLoss of movement, weak suction, or inconsistent cleaning patterns in a suction side pool cleaner are often traced back to worn internal drive components. The A frame and turbine assembly are responsible for converting suction into mechanical motion. When these parts wear down, the cleaner may slow, stall, or stop moving altogethereven if suction at the skimmer is strong. The Hayward A Frame & Turbine Kit (AXV621DAT) is a genuine replacement assembly