The McCormick 3658021M3 is a genuine OEM air filter designed to provide superior engine protection for McCormick X4, X5, X6, X7, and X8 series tractors. This high-quality filter ensures optimal airflow and filtration, preventing harmful contaminants from entering the engine. It is also compatible with a wide range of Landini, Massey Ferguson, Challenger, and Valtra agricultural machinery, ensuring reliable performance and extended engine life. With a length of 330mm, an outer diameter of 152mm, and an inner diameter of 88mm, this filter meets precise specifications for a perfect fit.