The Multiquip 31210ZE3023 Starter Unit Motor GX390, 340K1 is a genuine OEM component designed for Multiquip equipment powered by the Honda GX390 and GX340K1 engines, including the GA6HEB generator, GAW180HE, GAW180HE1, and GAW180HEA arc welders, V305EH vibratory roller, and MRH800GS roller. As a direct OEM replacement sourced through Multiquip's authorized parts network, this starter motor meets the exact output and engagement specifications of the original unit. Cross-application fitment across multiple Multiquip product families makes it a practical stocking part for dealers and rental fleets running Honda GX-series powered equipment. Verify your model code and engine designation before ordering to ensure a correct match.
Key Features
- OEM-Matched Electrical Output — Built to the exact voltage, torque, and RPM engagement specs of the original Honda GX390/340K1 starter, ensuring proper cranking performance every time.
- Drop-In Installation — Mounts using the original bolt pattern and connector configuration, so replacement requires no custom fabrication or wiring modification.
- Broad Cross-Model Fitment — Compatible with the GA6HEB generator, GAW180HE series arc welders, V305EH vibratory roller, and MRH800GS roller across the Multiquip lineup.
- Sustained Cranking Reliability — A properly functioning starter motor delivers consistent, full-speed cranking to bring the engine to firing RPM; a worn unit causes slow or failed cold starts and excess battery draw.
- Genuine OEM Part — Sourced directly from Multiquip's authorized supply chain, carrying the same part number — 31210ZE3023 — as the unit installed at the factory.
The starter unit motor is the electric motor responsible for cranking the engine during start-up. When the ignition is engaged, the starter draws current from the battery to spin the engine flywheel fast enough for combustion to occur. On Honda GX390 and GX340K1 powered equipment, a healthy starter motor is critical for reliable cold-weather starts and consistent restart performance during long shifts. When the starter motor fails or begins to wear, symptoms include slow cranking, a clicking solenoid with no motor engagement, or a complete no-start condition — all of which take the machine out of service until the unit is replaced.
Part Details
| Part Number | 31210ZE3023 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Starter Unit Motor GX390, 340K1 |
Compatibility & Fitment
| Name | Model |
|---|---|
| Gasoline Powered Generators | GA6HEB |
| Welders | GAW180HEA |
| Welders | GAW180HE1 |
| Welders | GAW180HE |
| Rollers | V305EH |
| Rollers | MRH800GS |
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.
