251234R91 Carburetor for International Farmall IH Tractor Cub Engine SN 312389 Early Cub LoBoy 154 Tractor carb New. Also replaces part numbers: 251234R92, 251234R91, 405004R91, and more. Replaces multiple IH part numbers including 63349C91, 251234R94, and 364579R91.
