The Case IH 311781A1 is a genuine OEM water pump designed for Case IH CX, MXC, and MC series agricultural tractors. This critical component ensures efficient coolant circulation, preventing engine overheating and maintaining optimal operating temperatures. Manufactured to strict Case IH specifications, it provides reliable performance and direct fitment for models including CX50, CX60, CX70, CX80, CX90, CX100, MXC90, MXC100, MC90, and MC100. Replace your worn or faulty water pump with this authentic part to restore proper engine cooling system function.