The McCormick 6509956M1 duct is a genuine OEM component designed for various McCormick X4 series tractors. This essential part ensures proper airflow within the machinery's systems, maintaining optimal operating conditions. Manufactured to precise specifications, it guarantees a perfect fit and reliable performance for models including X4.20, X4.30, X4.40, X4.50, X4.60, X4.70, X4.35, X4.45, X4.55, X4.65, X4.75, X4.060, X4.070, X4.080, X4.090, X4.100, X4.110, and X4.120.