The McCormick 4205344M91 Duct is a genuine OEM replacement part specifically designed for various McCormick X6 and X7 series tractors. This essential component ensures proper airflow within the machine's system, maintaining optimal operating conditions. Manufactured to McCormick's stringent quality standards, it guarantees precise fitment and reliable performance for models including X6.440, X6.460, X6.470, X6.480, X7.440, X7.450, X7.460, X7.470, X7.480, X7.650, X7.660, X7.670, and X7.680.