The McCormick 3664576M1 is a genuine OEM seal ring designed for various Massey Ferguson agricultural and industrial machinery. This high-quality sealing ring, also cross-referenced as 3300067M1, ensures a secure and leak-free seal in critical engine applications, maintaining performance and preventing fluid loss. With an inner diameter of 85 mm, an outer diameter of 100 mm, and a thickness of 8 mm, it provides a precise fit for compatible Perkins engines.