The McCormick 3666722M1 is a genuine OEM sealing ring designed for a wide range of McCormick agricultural tractors. This essential component ensures a tight seal, preventing leaks and maintaining optimal system performance. With an inner diameter of 100 mm, an outer diameter of 120 mm, and a thickness of 10 mm, this sealing ring is engineered for precise fitment and durability in demanding operating conditions. It is a critical part for maintaining the integrity of various assemblies within compatible McCormick C, CX, F, MC, MTX, T, V, X4, X5, X6, X7, X8, X50, X60, X70, X80, and Z series tractor models.