The McCormick 6629186A5 is a genuine OEM water pump repair kit designed for various McCormick agricultural tractors. This essential kit ensures the proper maintenance and restoration of your tractor's water pump, crucial for engine cooling system efficiency. It is compatible with McCormick CX, C, MC, and MTX series models, including CX 75, CX 85, CX 95, CX 105, C 70, C 80, C 90, C 100, MC 80, MC 90, MC 100, MC 105, MC 115, MC 120, MC 135, MTX 110, MTX 120, MTX 125, MTX 135, MTX 140, MTX 150, MTX 155, MTX 165, MTX 175, MTX 185, and MTX 200. This kit replaces multiple OEM part numbers such as 3609804M91 through 3609804M100.