1976 Honda CB550K — Maîtres-cylindres et pièces de réfection

No. It states the specification of the product being sold and asks buyers to confirm the fitted piston size. A previously replaced master cylinder may differ; verify the current unit before ordering an assembly or internal parts.

The diaphragm is separately listed, and the rebuild-kit description does not establish that it is included. Confirm the kit contents before adding separate reservoir pieces rather than assuming a complete reservoir repair package.

That compatibility is not established by the listing. It identifies a Honda reference and model application, not every replacement cylinder. Identify the fitted unit and confirm its required internal kit before making the purchase.