The McCormick 3549353M1 is a genuine OEM brake disc designed for a wide range of McCormick agricultural tractors. This essential component ensures optimal braking performance and safety. With an outer diameter of 152 mm, an inner diameter of 63 mm, and a thickness of 5 mm, it features 10 splines for precise fitment. Manufactured to McCormick's stringent quality standards, this brake disc provides durability and consistent operation for your machinery.