Ring - Wear 9J7978CAT

The Genuine NMCB Interstate McBee Wear Ring (9J7978CAT) is a precision-engineered component designed to maintain proper clearance and reduce wear in rotating assemblies. It functions as a protective barrier to extend the service life of critical engine parts by minimizing metal-to-metal contact. This wear ring is suitable for use in heavy-duty commercial vehicle applications requiring durable sealing and alignment support.