The Case IH 5179749 is a genuine OEM pin designed for various Case IH agricultural and construction machinery. This includes MXM series tractors (MXM120, MXM130, MXM140, MXM155, MXM175, MXM190), 521D, 621D, 721D, 821D, 921D loaders, CPX series cotton pickers (CPX420, CPX610, CPX620), and WD series windrowers (WD1203, WD1903, WD2303, WD2503). This essential component ensures secure connections and proper functioning of critical assemblies. Manufactured to original equipment specifications for durability and reliable performance in demanding environments.