The Wacker Neuson Flywheel Complete is a genuine OEM component designed for the GPi4300 Portable Inverter Generator series. Sourced directly from Wacker Neuson, this part meets the exact specifications of the original unit, ensuring a direct, hassle-free installation in your GPi4300 machine. Whether you're restoring output performance or completing a scheduled engine rebuild, replacing with the correct OEM flywheel keeps your inverter generator running as intended.
Key Features
- OEM Magnetic Timing Accuracy — Genuine Wacker Neuson manufacture ensures the flywheel's magnets and timing marks meet the original ignition and charging system specifications for the GPi4300 engine.
- Drop-In Engine Fitment — Engineered to match the original crankshaft taper, keyway, and bolt pattern, so installation aligns correctly with the starter ring and ignition components without modification.
- Compatible with GPi4300 Inverter Generator Models — Verified fitment across the GPi4300 Portable Inverter Generator lineup, including units built to the 5000620962, 5000620782, and 5000620784 configurations.
- Stable Power Output — A correctly balanced and properly magnetized flywheel maintains consistent engine RPM and smooth AC output — a worn or cracked flywheel can cause erratic voltage, misfires, or a no-start condition.
- Electrical Safety Assurance — On an inverter generator, the flywheel is integral to the charging and ignition circuit; using a correctly specified OEM part reduces the risk of electrical faults caused by mismatched magnetic field strength or improper clearances.
The flywheel is a rotating mass bolted to the crankshaft that serves two critical roles in a small engine: it stores rotational energy to keep the engine turning smoothly between power strokes, and its embedded permanent magnets pass by the ignition coil and stator to generate the electrical energy needed for spark and battery charging. On an inverter generator like the GPi4300, proper flywheel balance and magnetic field integrity are essential to stable engine operation and clean power output. When a flywheel is cracked, out of balance, or has degraded magnets, the result is typically difficult starting, misfires, unstable RPM, or a complete loss of ignition.
Part Details
| Part Number | 5000226371 |
|---|---|
| Old Part Number | 0226371 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Flywheel Complete |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| GPi4300 | GPi4300 | 5000620962, 5000620782, 5000620784 |
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.
