Rolls Royce Self-locking collar nut 61138377540

Self-locking collar nut is a genuine Rolls‑Royce component engineered for dependable performance, identified by part number 61138377540. This Rolls Royce Self-locking collar nut 61138377540 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 61138377540 before purchase; professional installation is advised where applicable. Supplied as described — Self-locking collar nut with part number 8377540. This is an original Rolls Royce part, this Rolls Royce Self-locking collar nut 61138377540 supports proper restoration and ongoing maintenance.