The McCormick 4221057M1 is a genuine OEM spacer designed for critical applications in a wide range of McCormick and Massey Ferguson agricultural tractors. This essential component ensures precise alignment and proper spacing of parts, contributing to the reliable operation and longevity of the machinery. It is compatible with various models including McCormick CX, MC, MTX, XTX series, and numerous Massey Ferguson 3000, 4000, 5000, 6000, 7000, and 8000 series tractors.