The Wacker Neuson 5100030813 Large Fan Impeller is a genuine OEM component designed for the G1100 Generator. Sourced directly from Wacker Neuson, this impeller meets the exact specifications of the original part installed on the G1100 at the factory. If your generator is running hot, producing reduced airflow, or showing signs of cooling system strain, the Large Fan Impeller is a primary part to inspect and replace.
Key Features
- Genuine OEM Airflow Geometry — Blade pitch and diameter match the original impeller specification, ensuring the correct volume of cooling air is moved across the generator's components at all operating speeds.
- Direct-Fit Replacement — Engineered to mount directly onto the G1100 fan assembly with no machining or rework needed, using the same hub interface as the factory-installed part.
- G1100 Generator Fitment — Confirmed compatibility with the Wacker Neuson G1100 portable generator series, giving you confidence you're ordering the right part the first time.
- Protects Critical Generator Internals — A properly functioning impeller keeps windings, voltage regulators, and engine components within safe operating temperatures, preventing heat-related failure during extended run times.
- Balanced Construction — The large-format impeller design is balanced for smooth, vibration-free rotation, reducing mechanical stress on the shaft bearing and prolonging the service life of surrounding components.
The fan impeller is responsible for drawing or pushing a high volume of air through the generator's cooling passages to dissipate heat generated by the engine and alternator during power production. On the G1100, the large fan impeller moves enough airflow to keep the unit stable under sustained electrical load — a function that becomes critical on longer jobsite runs. When an impeller cracks, loses a blade, or becomes loose on its mounting, cooling efficiency drops sharply, which can lead to overheating shutdowns or permanent damage to internal windings and engine components.
Part Details
| Part Number | 5100030813 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Large Fan Impeller |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| G1100 Generator | G1100 | 5100013910 |
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.
