The McCormick 252858A1 is a genuine OEM cylinder head gasket designed for various McCormick agricultural tractors. This essential component ensures a proper seal for the engine's cylinder head, preventing leaks and maintaining optimal engine compression and performance. It is compatible with a wide range of McCormick models including CX, MC, MTX, X, and XTX series tractors, ensuring reliable fitment and durability for critical engine sealing applications.