https://www.heavyequipmentmaintain.com/products/hydraulic-gear-pump-for-massey-ferguson.html Tractor Hydraulic Gear Pump For Massey Ferguson POWER STEERING PUMP, TANDEM AUXILIARY FITS: 362, 365, 372, 375, 382, 382N, 383, 390, 390T, 398 OEM: 3597706M91, 3774612M91