Fuel Pump AR6381 for John Deere 4430 4630 4640 690B 693B 740 743 Tractor

Fuel Pump (OEM AR63831) for John Deere 4430 4630 4640 690B 693B 740 743 tractors and more. This direct replacement pump delivers reliable fuel flow to diesel engines on agricultural tractors, forage harvesters, combines, excavators, and skidders. It resolves common issues like hard starting, loss of power, fuel starvation, and stalling caused by worn or failed OEM pumps. Built with precision-machined components and corrosion-resistant materials, it meets or exceeds original specifications for long service life. Installs directly into the fuel system – no modifications needed – and fits a wide range of John Deere models including 4040, 4240, 4440, 4840, 7020, 8430, 5200, 5400, 5420, 5440, 5460, 6600, 6602, 7700, and JD740/743.

Cross-Reference / OEM Part Numbers