The McCormick 3557337M1 Seal is a genuine OEM replacement part designed for critical sealing applications in agricultural machinery. This high-quality oil seal ensures proper containment of lubricants and prevents contaminants from entering vital components, maintaining optimal performance and longevity. It features an inner diameter of 35 mm, an outer diameter of 50 mm, and a width of 8 mm, making it suitable for a wide range of McCormick, Massey Ferguson, and Valtra tractor models, providing reliable fitment and durability.