The McCormick 115541A2 is a genuine OEM piston ring designed for various McCormick CX, MC, MTX, and XTX series tractors. This essential engine component ensures proper compression and oil control within the engine's cylinders. It is also compatible with a wide range of Case IH and New Holland agricultural machinery, including Maxxum, Puma, JX, MXM, MXU, T6000, T7000, TD5000, TL, and TS series, making it a versatile replacement part for multiple applications.