Excavator Engine Fuel Pump

If you've got a Hitachi ZX350 that's starting hard in cold weather, surging under load, or throwing fuel pressure codes, the problem is almost always the excavator engine fuel pump. These common rail pumps take a beating on construction sites, and over time, internal wear causes inconsistent pressure that kills performance. This diesel fuel pump assembly, matching the OEM spec 8980915654, is the direct replacement to get your machine running steady again.

This pump is built to the factory's exact common rail specs, with precision-machined internals and a calibrated pressure control valve. We've seen how off-spec pumps cause rough idle and early injector failure, so we only supply units that match the original flow and pressure ratings exactly. It comes fully assembled, with all the fittings you need for a drop-in install.

From experience, we always recommend replacing the fuel filter and checking the tank for debris before installing a new pump. Contamination is the the number one killer of these high-pressure pumps, and a dirty tank will ruin even a brand-new unit.

At Yantai Dayun Machinery Parts, we keep this pump in stock for fast shipping. If you need help confirming fitment for your serial number, just send us your engine model or the old part number from your machine, and we'll cross-reference it for you.