Rolls Royce Screw cap for expansion tank 17139885509

Screw cap for expansion tank is a genuine Rolls‑Royce component built to preserve original vehicle character, identified by part number 17139885509. This Rolls Royce Screw cap for expansion tank 17139885509 is intended for accurate fitment and seamless compatibility with approved applications. Using this component helps maintain factory-correct function, finish, and durability expected from Rolls‑Royce vehicles. Please confirm suitability using part number 17139885509 before purchase; professional installation is advised where applicable. Supplied as described — Screw cap for expansion tank with part number 9885509. This is an original Rolls Royce part, this Rolls Royce Screw cap for expansion tank 17139885509 supports proper restoration and ongoing maintenance.