Carburetor Repair Kit fits Allis Chalmers Tractor IU U UC Carburetor but the bulb on the

but the bulb on the inside is different

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Specifications This fits 6 cylinder models using an early Delco Remy distributor with a clip held cap 824735

540 these only fit cylinders # 1 and 3

Carburetor Repair Kit fits Allis Chalmers Tractor IU U UC Carburetor but the bulb on theQuality Aftermarket Basic Carburetor Repair Kit (For Zenith K5, K5A carburetors) Fits Allis Chalmers (IU w Zenith K5, K5A, 6496, 6699, 6817), U, UC Tractors Specifications Kit contains; Throttle shaft, Needle & seat, Float lever pin, Choke & throttle shaft seal, Needle valve adjustment screw, Gaskets & Instruction sheet. Includes parts shown in above picture. Instruction sheet will show parts that are not included in this kit for reassembly purposes