The McCormick 6670413A1 Pulley is a genuine OEM replacement component designed for various McCormick X-series agricultural tractors. This high-quality pulley ensures optimal performance and durability within the machine's drive system. Engineered to precise specifications, it provides reliable operation and maintains the integrity of the power transmission. Confirm fitment with your specific McCormick X4, X5, X6, X7, or X8 series tractor model for accurate replacement.