The McCormick 4217849M91 support is an authentic OEM component designed for various McCormick X4 and X5 series tractors. This includes models such as X4.20, X4.30, X4.40, X4.50, X4.60, X5.35, X5.45, and X5.55. Manufactured to McCormick's stringent quality standards, this support ensures secure and stable mounting of associated parts, contributing to the overall structural integrity and operational reliability of your agricultural machinery. It is a direct replacement part, guaranteeing a precise fit and long-lasting performance.