The McCormick 3426867M1 Piston Ring is a genuine OEM engine component designed for optimal performance and durability in a wide range of McCormick and Massey Ferguson agricultural tractors. This critical ring ensures proper cylinder sealing, contributing to efficient combustion and oil control. Manufactured to precise specifications, it is a direct replacement part for maintaining engine integrity and extending service life. Compatible with numerous models including the MF 3000, 4000, 5000, 6000, 7000, 8000 series and McCormick MC, MTX, X6, X7, X8, ZTX series tractors.