The McCormick 3549207M2 collar is a genuine OEM component designed for various McCormick and Massey Ferguson agricultural tractors. This essential collar features an inner diameter of 35mm, an outer diameter of 50mm, and a thickness of 10mm, ensuring precise fitment and reliable performance within the specified machinery. It is a direct replacement for part numbers 3549207M1, 3549207M3, and 3549207M4, maintaining the original equipment manufacturer's standards for durability and function.