The McCormick 3669701M1 Strut is an authentic OEM replacement part designed to provide essential structural support and stability for various McCormick X-series tractors, including models X10.20, X10.30, X10.40, X10.50, X20.20, X20.30, X20.40, X20.50, X30.20, X30.30, X30.40, X30.50, X40.20, X40.30, X40.40, X40.50, X50.20, X50.30, X50.40, and X50.50. This strut is also compatible with specific Landini Mistral and Valpadana models, ensuring broad application across AGCO brands.