The McCormick 6637649A1 is a genuine OEM oil filter cartridge designed for a wide range of McCormick agricultural tractors, including models in the X4, X5, X6, X7, and X8 Series. This essential filter ensures optimal engine lubrication by effectively removing contaminants from the engine oil, protecting critical engine components and extending service life. With an outer diameter of 95 mm, an inner diameter of 51 mm, and a height of 120 mm, this filter provides reliable performance and precise fitment for specified McCormick machinery.