Keep compatible Pentair and Letro automatic cleaners moving the way they should with this replacement cleaner component. Cleaner parts wear through regular contact with pool surfaces, debris, water pressure, and moving assemblies, so replacing the correct piece can improve tracking, pickup, hose movement, or overall cleaning consistency. This item is selected for the model and function described in the title. Identified by replacement part JV4 for easier model matching. Helps restore cleaner movement, stability, connection, or debris-handling performance. Useful for tune-ups when wheels, tires, floats, hubs, bushings, or hose pieces show wear. Verify cleaner model and quantity requirements before ordering. Verify model compatibility and part number JV4 before installation.