The Wacker Neuson Engine Control Module is a genuine OEM component designed for G25 series portable generators, including skid-mounted, mobile, and Extended Run Tank (ERT) configurations. As a direct OEM replacement, this module is sourced and validated to match the original unit installed at the factory — ensuring correct communication between the engine management system and generator controls. Compatible across multiple G25 variants, the is the correct-spec solution for restoring full generator function after ECM failure or damage.
Key Features
- OEM-Matched Signal Processing — Manufactured to the exact electrical specifications of the original unit, including correct input/output mapping, voltage thresholds, and communication protocols for the G25 engine management system.
- Drop-In Connector Compatibility — Designed to connect directly to the existing wiring harness on G25 generators with no re-pinning or adapter harnesses required.
- Broad G25 Series Coverage — Fits skid-mounted mobile, standard mobile, and Extended Run Tank (ERT) G25 generator configurations, covering multiple production variants under a single part number.
- Restores Full Engine Regulation — A functioning ECM governs fuel delivery, ignition timing, and load response; a failed module causes erratic output, hard starts, or complete shutdown under load.
- Electrical Safety Compliance — Correct ECM calibration is critical to safe generator operation; an out-of-spec or incorrect module can cause uncontrolled engine behavior or failure to engage protective shutdowns.
The engine control module (ECM) is the electronic brain of the G25 generator's power unit. It continuously monitors and manages engine functions — including fuel metering, ignition timing, throttle response, and protective shutdowns — to keep the generator delivering stable, consistent power output. When the ECM begins to fail, symptoms typically include unstable voltage output, difficulty starting under load, unexpected shutdowns, or fault codes that cannot be cleared, all of which can bring a jobsite to a halt until the module is replaced.
Part Details
| Part Number | 5000161213 |
|---|---|
| Old Part Number | 0161213 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Engine Control Module |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Mobile Generator, Skid-Mounted | G25 | 5000620344, 5000009368, 5000620706, 5000620931 |
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.