The McCormick 4217893M91 is a genuine OEM cylinder head gasket designed for a wide range of McCormick agricultural tractors. This critical engine component ensures a proper seal between the cylinder head and engine block, preventing leaks and maintaining optimal engine compression. It is compatible with McCormick CX, MC, MTX, and XTX series models, including CX70, CX75, CX80, CX85, CX90, CX95, CX100, CX105, CX110, MC80, MC90, MC95, MC100, MC105, MC115, MC120, MC130, MC135, MTX110, MTX120, MTX125, MTX135, MTX140, MTX150, MTX155, MTX165, MTX175, MTX185, MTX200, XTX145, XTX165, XTX185, XTX215, and XTX230. This part replaces numbers 3639534M91, 3639534M92, and 4217893M92.