The Multiquip 31100ZE3W01 Flywheel Complete GX390 HC-535 is a genuine OEM component designed for the MRH800GS walk-behind roller series. This is a direct OEM replacement sourced through Multiquip's authorized parts network, ensuring the part meets the exact specifications of the original unit. If you're servicing a GX390-powered MRH800GS roller, verifying the correct flywheel assembly is critical to restoring full ignition system performance.
Key Features
- Genuine OEM Ignition Component — Manufactured to Honda GX390 engine specifications, this flywheel assembly carries the correct magnetic pole configuration and mass balance required for proper ignition timing and engine smoothness.
- Direct-Fit Replacement — Engineered to install directly onto the GX390 crankshaft taper, mating with the existing keyway and retaining nut without modification to the engine block or ignition coil bracket.
- Confirmed Fitment for MRH800GS Rollers — Validated for use on the Multiquip MRH800GS walk-behind vibratory roller, ensuring you're ordering the correct assembly for that specific machine configuration.
- Full Assembly Included — Supplied as a complete flywheel unit, so the magneto rotor, starter ring gear, and fan vanes are all integrated — no separate sourcing of sub-components required.
- Ignition System Integrity — A worn or damaged flywheel can cause misfires, hard starting, and erratic engine speed on the roller. Replacing it with the correct OEM assembly restores consistent spark timing and stable operation under load.
- Electrical Safety Compliance — As a rotating electrical component in the ignition circuit, using the correct OEM flywheel ensures proper air gap tolerances with the ignition coil, preventing voltage irregularities that could damage downstream electrical components.
The flywheel is a core component of the GX390 engine's ignition and charging system. Mounted directly to the crankshaft, it houses permanent magnets that pass the ignition coil at high speed to generate the electrical pulse that fires the spark plug. It also acts as a rotational mass that smooths out engine power pulses, keeping RPM steady during operation. When a flywheel cracks, chips a key, or loses magnetic strength, the engine will exhibit hard starts, misfires, or may fail to run entirely — making prompt replacement essential to restoring the roller to full working condition.
For fitment questions or to confirm this part is correct for your specific machine configuration, contact the DHS Equipment parts team directly.
Part Details
| Part Number | 31100ZE3W01 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Flywheel Complete GX390 HC-535 |
Compatibility & Fitment
| Name | Model |
|---|---|
| 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.
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