The McCormick 1816946M91 hydraulic pump is a genuine OEM component designed for McCormick MC series agricultural tractors. This essential pump ensures efficient hydraulic power for various functions, including steering, lifting, and operating implements. Engineered for durability and precise fit, it provides reliable performance and maintains the hydraulic system's integrity. Cross-referenced with CNH Industrial part number 87300702, this pump is a direct replacement for maintaining optimal machine functionality.