Feature: 1. Applicable Model: The carb is for Farmall 1H Tractor Cub 154. Please confirm whether it is consistent with the product you want before buying to avoid unnecessary return. 2. OE Number: The part numbers for reference are 251234R92, 251234R91, 71523C92, 405004R91. Please confirm whether it is consistent with the OE you need to avoid wrong buying and other problems. 3. Mix Function: The carb carburetor is good at mixing fuel and air, keeping the engine running smoothly, and preventing the engine from running out of oil or overflowing. 4. Fuel Oil Saving: The tractor carburetor can control the fuel oil supply, making the engine use the fuel effectively, avoiding fuel waste, providing your tractor with improved performance. 5. Easy to Install: The engine carburetor has a simple installation, convenient and time saving, don't need too much tools or complicated steps. Specification: Item Type: Carb Carburetor.OE: 251234R92, 251234R91, 71523C92, 405004R91Fitment: For Cubs with Engine Serial Number up to 312389, Early 154 Cubs For Farmall International IH Tractor Models: Cub Tractors (Up to Engine SN 312389), Early Cub LoBoy 154 Package List: 1 x Carb Carburetor1 x Gasket1 x Filter Note: 1. Please check the OE number and fitment model carefully before purchase.2. Installation by a professional mechanic is strongly recommended.3. Whether before or after sale, please contact our customer service team if you have any questions, we will provide the best and professional service.