The McCormick 6639765A2 Duct is a genuine OEM replacement part designed for McCormick X6.420, X6.430, X6.440, X6.460, X7.440, X7.450, X7.460, X7.650, X7.660, X7.670, X7.680, X7.690 tractors. This essential component ensures proper airflow within the machinery's systems. It also fits Landini 6-140C, 6-145C, 6-160C, 6-165C, 6-180C, 7-145, 7-160, 7-175, 7-180, 7-200, and 7-210 models. With a weight of 0.20 kg and dimensions of 200 mm length, 100 mm width, and 50 mm height, this duct is built to OEM specifications for reliable performance and durability.