Case IH Tractor Parts > International Harvester Fuel System > International Harvester Carburetors International Harvester Tractor Carburetors International Harvester Tractor Zenith Carburetor - 385608R91 - 385608R91 International Harvester Carburetors Replacement Zenith carburetor for C123 engine International tractor models Super A-1, Super AV-1, C, Super C, 130, 140 (s/n 103557 & up), 230 Price $298.56 $271.20 Add To Cart