The McCormick 3696006M92 is a genuine OEM piston ring, also compatible with Massey Ferguson and Landini agricultural machinery. This conical piston ring features a precise diameter of 91.44 mm and a thickness of 2.38 mm, engineered for optimal engine compression and sealing. It is suitable for a wide range of tractor models across various series, ensuring reliable performance and durability. This part is crucial for maintaining engine efficiency and is a direct replacement for the superseded part number 3696006M91.