The New Holland 81825133 is a genuine OEM piston ring designed for use in a wide range of Ford and New Holland agricultural and construction equipment. This essential engine component ensures proper compression and oil control within the engine's cylinders. It features a bore diameter of 111.76 mm, an axial height of 3.937 mm, and a radial width of 3.937 mm. This part number supersedes the older OEM part number 83917176, making it a direct replacement for maintaining engine performance and reliability.