An inner wheel tube cork helps support or seal a compatible movement-related tube assembly in a robotic cleaner, and this Maytronics Dolphin version uses the 9982275 reference. Small internal support parts like this can be important because they contribute to how securely surrounding wheel and tube components fit together.This part has practical value because movement-system assemblies depend on correct internal support details, not just the larger visible parts. A properly selected Maytronics replacement helps preserve original wheel-tube fit and contributes to a more complete and dependable repair.This type of part is especially useful when the original cork insert is missing, worn, or damaged during service work on the movement assembly. That helps restore the smaller internal fit details that keep the overall system functioning properly.Installed in the proper application, this wheel tube cork helps support cleaner movement assembly integrity and more dependable overall operation. Inner wheel tube cork for compatible Maytronics Dolphin cleaner applications Helps support fit within the wheel-tube movement assembly Useful when replacing a worn or missing internal support piece Supports more complete mobility-system repair Improves fit integrity and service confidence