Honda 37450-ZB2-C00 Voltmeter Assembly

The Honda 37450-ZB2-C00 Voltmeter Assembly is a genuine OEM component designed for EM1800, EM2200, and EM2500 generators. As a direct Honda OEM part, it is built to the same specification as the original unit, ensuring accurate voltage readings and correct panel fitment right out of the box. Confirm your generator's serial number against the fitment table before ordering, as Honda supersedes parts at serial breaks and more than one revision may exist for these models.

Key Features

• Accurate Voltage Monitoring — calibrated to the output range of Honda EM-series generators, delivering the readout accuracy the original instrument was specced for
• Genuine OEM Part — sourced directly from Honda, so the gauge matches the original panel cutout and connector without modification
• Broad EM-Series Coverage — fits EM1800, EM2200, and EM2500 generators; check your serial number against the fitment table to confirm the correct revision for your unit
• Supports Proper Load Management — a functioning voltmeter lets operators monitor output voltage in real time, preventing overloading and catching wiring or alternator issues before they cause damage

The Voltmeter Assembly is the panel-mounted gauge that displays the AC output voltage produced by the generator's alternator. Operators rely on it to confirm the unit is producing usable power before connecting loads and to watch for voltage fluctuations that signal a problem with the alternator or regulator. When the voltmeter fails — reading zero, pegging full-scale, or fluctuating erratically — there is no reliable way to know whether the generator is producing safe, stable voltage, making replacement essential for confident operation.

Part Details

Compatibility & Fitment

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.