Wacker Neuson 5000174568 Engine Control Module G120

The Wacker Neuson Engine Control Module G120 is a genuine OEM component designed for the G120 Mobile Generator series, including the custom, skid-mounted, and cold weather configurations. As a direct factory replacement, this module is engineered to the exact specifications of the original unit, ensuring seamless integration with the G120 platform. If your generator is exhibiting erratic engine behavior, failure to start, or loss of output regulation, this is the critical component to inspect and replace.

Key Features

• OEM Electrical Specification Match — Manufactured to the exact signal output, voltage tolerance, and input/output mapping of the original G120 module, so the engine management system operates exactly as designed.
• Direct Plug-In Replacement — Connects directly to the G120's existing wiring harness with no splicing, rewiring, or adaptation required, using the original connector configuration.
• G120 Series Coverage — Compatible with custom, skid-mounted, and cold weather G120 Mobile Generator variants, covering the full range of this generator platform.
• Restores Full Engine Management Function — A failing engine control module can cause misfires, hard starts, or complete generator shutdown; replacing it restores accurate fuel delivery, ignition timing, and load response.
• Electrical System Integrity — As a genuine OEM part, this module meets the same EMI shielding and thermal protection standards as the original, reducing the risk of interference-related faults in the generator's control system.

The engine control module is the electronic brain of the G120 generator's engine management system. It monitors and regulates key functions including fuel delivery, ignition timing, and engine speed response under varying load conditions, ensuring stable power output. When the module fails or degrades, symptoms can range from intermittent stalling and poor load response to a complete inability to start the engine, making prompt replacement essential for keeping the generator operational.

Part Details

Compatibility & Fitment

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.