Brand New Aftermarket Fuel Tank. Interchange Part Number: E3NN9002KA, E3NN9002KB, 83935630, C5NN9002AE. Ford Tractor(s): 3500, 4000, 4200, 4400, 4500, 4600 (1975-11/83 diesels). Ford Construction & Industrial(s): 420 (1975-11/83), 515 (1975-11/83), 535 (1975-11/83), 3550. Parts can vary depending on the serial number of the machine.