The McCormick 6669906A1 ring is a genuine OEM component designed for optimal performance and durability in a wide range of McCormick CX, MC, and MTX series tractors. This essential part ensures proper sealing and function within the engine or hydraulic system. It features an inner diameter of 100mm, an outer diameter of 110mm, and a thickness of 10mm. This versatile ring also serves as an OEM replacement for specific Case IH MXM and MXU series, and New Holland T6000 and TS-A series agricultural machinery, cross-referencing with part number 87704100.