The McCormick 6687121A1 mask is a genuine OEM replacement part designed for McCormick X4 series tractors, including models X4.20, X4.30, X4.40, X4.50, X4.60, and X4.70. This mask, also referred to as a grille, provides essential front-end protection and maintains the aesthetic integrity of the tractor. Manufactured to precise specifications, it measures 1020 mm in length, 390 mm in width, and 100 mm in height, with a weight of 3.5 kg, ensuring a perfect fit and durability.