The McCormick 6518917M1 is a genuine OEM piston ring designed for various McCormick MC and MTX series agricultural tractors. This critical engine component ensures proper compression and oil control, contributing to efficient engine operation and longevity. Manufactured to precise specifications, it features a bore diameter of 95 mm and an axial height of 5 mm, providing a perfect fit and reliable sealing within the cylinder. Replace worn piston rings with this authentic McCormick part to maintain peak engine performance and prevent oil consumption.