Oil Pump For Ford Tractors 
OEM Part Numbers: 
E1NN6600DC, 81823581, 81826407, 81826408, 81873261, 8392707, D0NN6600C, D0NN6600D, D1NN6600C, D1NN6600D, D5NN6600D, E1NN6600DA, EINN6600DB, E1NN6600DD, 81823166
Fits For Ford Tractor Models:
2000, 3000, 4000, 4000SU, 2600, 3600, 4600, 4600SU, 5000, 5100, 5200, 7000, 7100, 7200, 5600, 6600, 7600, 6700, 7700, 5610, 6610, 7610, 6710, 7710, 2310, 2610, 2810, 2910, 3610, 3910, 4610, 231, 335, 531, 340, 540, 3400, 3500, 445, 4500
Fits Ford Constructions: 230A, 231, 233, 234, 333, 334, 335, 420, 515, 530A, 531, 532, 535 ('75-81)