The McCormick 6619079A2 Plaque is an authentic OEM replacement part specifically designed for various McCormick X-series agricultural tractors. This essential component ensures precise fitment and reliable performance across a wide range of models, including X4.20, X4.30, X4.40, X4.50, X4.60, X4.70, X4.80, X4.90, X5.20, X5.30, X5.40, X5.50, X5.60, X5.70, X5.80, X5.90, X6.40, X6.50, X6.60, X6.70, X6.80, X7.40, X7.50, X7.60, X7.70, X7.80, X7.90, X8.60, X8.70, X8.80, X8.90, X9.20, X9.30, X9.40, X9.50, X9.60, X9.70, X9.80, and X9.90.