The McCormick 6645122A2 sleeve is an original equipment manufacturer (OEM) part designed for various McCormick agricultural tractors. This genuine sleeve ensures proper fit and function within the transmission or PTO systems of models including the CX series (e.g., CX95, CX105, CX110), MC series (e.g., MC105, MC115, MC135), MTX series (e.g., MTX120, MTX135, MTX150), and XTX series (e.g., XTX185, XTX200, XTX215), providing reliable performance and durability for critical machine operations.