The Honda 37800-Z45-003 Fuel Unit is a genuine OEM component designed for the EU3200 inverter generator. Sourced directly from Honda, this part matches the original specification so it installs without modification. Because Honda supersedes parts at serial breaks, verify your EU3200 serial number against the fitment table before ordering to confirm part number 37800-Z45-003 is the correct application for your unit.
Key Features
- Genuine OEM Accuracy — manufactured by Honda to the same specification as the original, ensuring the fuel level reading your EU3200 generator delivers stays consistent and trustworthy.
- Direct OEM Replacement — this fuel unit is a drop-in replacement for the EU3200; no adaptation needed for a clean installation.
- Serial Number Sensitive — Honda issues revised parts at production serial breaks, so match your generator's serial number to the fitment table to confirm this is the right unit for your machine.
- Restored Fuel Monitoring — a failed or inaccurate fuel unit leaves an EU3200 operator without a reliable fuel level indication; replacing it with this genuine part restores accurate readings and keeps the generator running as intended.
The fuel unit is the sender component of the generator's fuel level monitoring system. It typically consists of a float and resistive element that tracks the fuel level inside the tank and transmits that reading to the fuel gauge or indicator on the control panel. When the unit fails or becomes inaccurate, the generator may display an incorrect fuel level — or no reading at all — leaving the operator unable to anticipate when the tank needs refilling. Replacing a worn or faulty fuel unit with a genuine Honda part restores accurate monitoring and helps prevent unexpected shutdowns mid-operation.
Part Details
| Part Number | 37800-Z45-003 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Fuel 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.
