The McCormick 4221364M1 Sleeve is a genuine OEM replacement part specifically designed for the engine cylinder block of a wide range of McCormick tractors. This critical component ensures proper piston sealing and efficient engine operation, contributing to the longevity and reliability of the engine. Manufactured to McCormick's stringent quality standards, this sleeve provides a precise fitment and robust performance. It is compatible with numerous CX, MC, MTX, X4, X5, X6, X7, and X8 series tractors, making it an essential part for engine maintenance and repair.