The McCormick 6639656A1 Duct is a genuine OEM component designed for McCormick X10, X11, and X12 series agricultural tractors. This essential duct ensures efficient airflow within the machine's systems, contributing to optimal performance and longevity. Manufactured to McCormick's stringent quality standards, it provides a precise fit and reliable operation. With a weight of 0.12 kg and dimensions of 95mm length, 51mm width, and 51mm height, this duct is a direct replacement part.