Lower Idler Gear - 4 Cylinder (48 Teeth)
CTP40525 Replacement Part to Fit:  Massey Ferguson Mf65, (165 Diesel), 255, Ind. 30, 40B, 50, 50A, (3165 Diesel) Replaces: 731797M91, 41115004 (This Gear Drivesw The Power Steering Pump)  Price:  $171.99  Buyers Club Price:  $154.79