Carburetor (New, IHC Replacement) Fits International Tractor Fits: International- (Cub, Cub LoBoy, 154 up to engine SN: 312389) Specifications This Cub carburetor is a new IH replacement This was designed for this tractor carburetor to look like the original IH Cub Carburetor. This Cub tractor carburetor does not include the choke lever. The carb mounting holes measure 1-13/16" center to center. Our carburetor features a 15/16" throttle bore. 1-1/4" choke air horn (air inlet) outside diameter Replacement Numbers: International- 63349C91, 251234R94, 251293R91, 251234R92, 251234R93 Please make sure you have clean fuel. If your tank is rusting then this will contaminate your fuel. If your fuel is contaminated, you cannot fix the problem with a new carburetor. Carburetor Numbers 251293R91,Carburetor's w/ 'IH' on float bowl 364579R91,Carburetor's w/ 'IH' on float bowl 405004R91,Carburetor's w/ 'IH' on float bowl 63349C91,Carburetor's w/ 'IH' on float bowl 251234R94,Carburetor's w/ 'IH' on float bowl All JJAgParts items have been hand selected by our team and are continuously monitored for Quality. Should a craftsmanship or fitment concern be identified, JJAgParts will work with you to stand behind our products. JJAgParts is an American owned and operated family business! Here at JJAgParts, we strive for customer satisfaction. If you are not satisfied with your order, please contact us so we can make it right. Note: OEM Part Numbers are for reference only and should be verified before purchase.