Carburetor Kit for John Deere Tractor Replaces K7503/778-503 60 520 720 630. -Made to Fit for John Deere Models: 50, 520, 530 60, 620, 630, 70, 720, 730. 1 Carburetor Kit. -If your number is not in this list, this kit is not the correct kit for your application.
