The McCormick 6679743A1 is a genuine OEM replacement ring designed for various McCormick tractor models, including the X4, X5, X6, X7, and X8 series. This essential component ensures proper sealing and function within the specified machinery, maintaining original equipment performance and reliability. Weighing approximately 0.01 kg, this ring is manufactured to McCormick's stringent quality standards for durability and precise fit.