The McCormick 6606989A1 radiator grille is a genuine OEM replacement part designed for McCormick X4 and X4M series tractors. This essential component protects the radiator from debris while allowing proper airflow for engine cooling. Manufactured to original specifications, it ensures a precise fit and durable performance for models including X4.20, X4.30, X4.40, X4.50, X4.60, X4.70, X4.80, X4.90, X4.100, X4.110, X4.120, and their 'M' variants.