The Wacker Neuson is a genuine OEM Fuse 1.6 Amp designed for the G3.7A, G5.6A, and GS5.6A series portable generators. As a factory-authorized component, this fuse is manufactured to the exact amperage rating specified for these units, including electric start and wheel kit configurations. Confirm your model number before ordering — this fuse covers a wide range of G-series generators across multiple production runs. Having the correct replacement on hand keeps your generator's electrical protection circuit functioning exactly as Wacker Neuson intended.
Key Features
- Exact Amperage Rating: — Rated at 1.6 amps to match the precise overcurrent threshold required by the G3.7A, G5.6A, and GS5.6A electrical circuits — not an approximated substitute.
- Genuine OEM Component: — Sourced directly from Wacker Neuson, this fuse meets the original design specification for the GP-family generator electrical protection system.
- Broad G-Series Compatibility: — Fits G3.7A, G5.6A, and GS5.6A portable generators across multiple machine numbers, including standard, electric start, and wheel kit variants.
- Drop-In Replacement: — Designed to seat directly into the factory fuse holder with no modification to the wiring harness or fuse block.
- Electrical System Protection: — A correctly rated fuse prevents damaging overcurrent events from reaching sensitive generator electronics; an incorrect or failed fuse leaves control circuits exposed to potential burnout.
- Safety-Critical Fitment: — Fuses are a primary electrical safeguard on portable generators. Using the OEM-specified 1.6 amp rating ensures the protection circuit responds correctly under fault conditions.
A fuse is the first line of defense in a generator's electrical system. When current exceeds the rated threshold — due to a short circuit, component failure, or overload — the fuse element melts and interrupts the circuit, protecting the control board, wiring harness, and connected components from damage. On Wacker Neuson G-series portable generators, using a fuse rated to the correct amperage is essential: too low and the fuse blows under normal operating loads; too high and the overcurrent protection fails to activate when it should, leaving downstream electronics unprotected. Replacing a blown fuse with the factory-specified 5000089121 restores full electrical protection and gets the generator back in service correctly.
Part Details
| Part Number | 5000089121 |
|---|---|
| Old Part Number | 0089121 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Fuse 1.6 Amp |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Portable Generator with Electr ic Start | GS5.6A | 5000007191, 5000008046 |
| Portable Generator | G3.7A | 5000007189, 5000008044 |
| Portable Generator | G5.6A | 5000007190, 5000008045, 5000009431, 5000620008 |
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.
