One New Aftermarket Replacement Fits Massey Ferguson Oil Pump For Tractor Models: 1007, (174-S4, 265, 274, 275, 285, 290, 565, 575, 590, 675, 690 -- All With Serial Number 880191K>), 3050, 3060, 3065, 3070, 3075, 362, 365, 373, 375, 377, 382, 383, 387, 390, 390T, 393, 397, 398, 4225, 4235, 4240, 4245, 4255, 4325, 4335, 4345, 6110, 6120, 6130, 6140, 6150, 6235, 6245, 6255, 6265, 698T. For Industrial/Construction Models: 30D (S/N 880191K>), 50E (Build . Ld31114 & L31199) Included In Balancer Assembly 3637352M1 Used W/ Balancer Unit P4111K051 Replaces Part Numbers: 3637489M91, 3637489M1 All OEM part numbers and logos are to be used for identification purposes only