The Wacker Neuson G120 Control Module Kit is a genuine OEM component designed for the G120 series portable generators. Sourced directly from Wacker Neuson, this kit delivers the exact specification required to restore proper electronic control function across the full G120 generator lineup, including standard, cold weather, mobile, and custom skid configurations. Verified fitment spans multiple G120 variants, making this the correct choice for fleet operators and service technicians working across mixed G120 populations.
Key Features
- OEM-Matched Control Logic: — Engineered to the same signal and output specifications as the original module, ensuring the generator's control system responds correctly to load, speed, and protection inputs.
- Direct-Replacement Installation: — Designed to connect directly to the existing wiring harness and mounting points on G120 series generators, allowing a clean swap without harness modification.
- Broad G120 Series Coverage: — Confirmed fitment across standard G120, cold weather, mobile, Transport Canada tank, and custom Deere T3 skid configurations.
- Protects Generator Output Integrity: — A functioning control module maintains stable voltage regulation and shutdown response; a failed module can cause erratic output, nuisance shutdowns, or loss of overload protection.
- Electrical Safety Compliance: — As a generator control component, using a genuine OEM module ensures the machine's protective shutdowns and fault-detection circuits operate as designed, which is critical for safe operation on powered worksites.
The control module on a portable generator acts as the brain of the machine's electrical management system. It monitors key operating parameters — including voltage output, engine speed, and fault conditions — and directs the generator's response to changes in load or system anomalies. When the control module degrades or fails, the generator may exhibit unstable power output, fail to start, shut down unexpectedly under load, or lose the ability to protect connected equipment from over-voltage or overload events. Replacing it with the correct OEM kit restores full electronic oversight of the machine's power generation cycle.
Part Details
| Part Number | 5000178991 |
|---|---|
| Old Part Number | 0178991 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | G120 Control Module Kit |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| G120-GENERATOR, SKID, CUSTOM, DEERE T3 | G120 | 5000620654, 5000620653, 5000620652, 5200006901, 5200003159, 5200001320, 5200008350, 5200008351, 5200008349, 5100025818 |
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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