A chassis forms the structural base of a compatible robotic cleaner, and this Maytronics Dolphin pool cleaner version uses the 9980200 reference. Chassis parts are central to cleaner service because movement components, body panels, and internal assemblies all depend on the base structure being sound and correctly aligned.This part has practical value because replacing a compromised chassis can restore the proper foundation of the cleaner without forcing replacement of every attached component. A properly selected Maytronics chassis helps preserve original compatibility and contributes to a more dependable overall rebuild.This type of part is especially useful when the original chassis has cracked, warped, or become structurally unreliable while many of the surrounding parts remain serviceable. That helps keep the repair strategic and better matched to the real issue.Installed in the proper application, this chassis helps support cleaner structural integrity and more dependable long-term operation. Chassis for compatible Maytronics Dolphin pool cleaner applications Helps form the structural base of the cleaner Useful when replacing a damaged or compromised original chassis Supports full-cleaner rebuild accuracy Improves structural confidence and service quality