The McCormick 3688953M91 is a genuine OEM lower link arm designed for various McCormick CX, MC, MTX, and XTX series agricultural tractors. This essential component ensures proper three-point hitch functionality, providing reliable connection for implements. Constructed for durability and precise fitment, it meets original equipment specifications for optimal performance and longevity, with an overall length of 950 mm and pin hole diameters of 28 mm and 32 mm.