Honda

Honda 34750-Z45-D31 Electronic Control Unit

$566.09
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34750-Z45-D31-Honda
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The Honda 34750-Z45-D31 Electronic Control Unit is a genuine OEM replacement designed for the EU3200 inverter generator. As an authentic Honda component, this part is manufactured to the same specification as the original unit it replaces, ensuring correct integration with the EU3200's inverter system. If your generator is exhibiting erratic output, failing to start, or showing signs of control-system failure, this Electronic Control Unit is the correct OEM solution for the EU3200.

Key Features

  • Genuine OEM Inverter Control Integrity — sourced directly from Honda, this Electronic Control Unit is programmed and calibrated specifically for the EU3200's permanent-magnet alternator and inverter architecture, ensuring correct voltage regulation and waveform output.
  • Direct OEM Replacement — designed as a drop-in replacement for the original unit, this component connects to the EU3200's existing wiring harness without modification.
  • Targeted EU3200 Fitment — verify your generator's serial number against the fitment table before ordering, as Honda supersedes control units at production breaks and an incorrect unit will not operate properly.
  • Restores Generator Output Control — a failed Electronic Control Unit can cause the EU3200 to produce unstable power, shut down unexpectedly, or fail to start; replacing it with part number 34750-Z45-D31 restores normal inverter operation.

The Electronic Control Unit is the brain of the EU3200 inverter generator's power-conditioning system. It manages the conversion of raw alternator output into clean, stable AC power by governing the inverter circuitry — the feature that makes the EU3200 suitable for powering sensitive electronics. When this unit fails or degrades, the generator may produce irregular voltage, trigger overload protection unnecessarily, or shut down entirely, leaving the equipment it powers without a reliable power source.

Part Details

Part Number34750-Z45-D31
BrandHonda
Part TypeGenuine OEM
DescriptionElectronic Control Unit

Compatibility & Fitment

Name Models Serial Range
Inverter Generator EU3200 All

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

Why Buy From DHS Equipment

Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.

Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.