Fuel Pump RE501640 RE518423 for Denso John Deere Engine 8.1L 6081 Tractor 8520 8220 8120Fuel Pump RE501640 RE518423 for Denso John Deere Engine 8. 1L 6081 Tractor 8520 8220 8120 Part No.: RE518423, 094000 0310, 094000031, RE501640 Condition: Remanufactured Original Application: BRAND TYPE MODEL ENGINE John Deere 6081 John Deere 6081HF070 John Deere HF John Deere 8. 1L John Deere COMBINE 9580WTS John Deere COMBINE 9540WTS John Deere COMBINE 9560WTS John Deere COMBINE 9640WTS John Deere COMBINE 9680WTS John Deere COMBINE 9660WTS John Deere