Complete Tractor Ps Pump Seal Kit (W/Wear Plate) For Massey Ferguson - 523089M91 523090M91 100% new pump seal kit meets OEM quality for tractors and farm equipment 1-year warranty covers you throughout planting and harvesting seasons Factory direct pricing delivers an honest value for hard-earned money Replaces OEM Numbers: Massey Ferguson: 523089M91, 523090M91, 523092M91, PSP-KIT1 Specs: Note : For Parker Hannifin Model ref#D17X-01. W/rear plate.