The McCormick 4271039M91 is a genuine OEM spin-on oil filter specifically designed for McCormick X-series agricultural tractors. This essential component ensures efficient filtration, effectively removing contaminants from the engine oil to protect critical engine parts and maintain optimal lubrication. Key technical specifications include a height of 140 mm, an outer diameter of 93 mm, a seal diameter of 72 mm, and a 3/4-16 UNF thread size, providing a precise fit and reliable performance for compatible McCormick machinery.