The McCormick 3678606M2 Ring is a genuine OEM component designed for various agricultural machinery models. This high-quality ring ensures proper sealing and reliable performance. With an inner diameter of 110 mm, an outer diameter of 118 mm, and a thickness of 4 mm, it is engineered to precise specifications for optimal fitment and durability. It is compatible with a wide range of McCormick, Massey Ferguson, and Landini tractors, among others.