The Wacker Neuson Isuzu Engine Wiring Harness is a genuine OEM component designed for the G25 and G50 generator series, covering Standard, Cold Weather, Custom, Extended Run, Mobile, Battlefield, and URI HVAC Tier 4 Final configurations. As a direct OEM part, the is manufactured to the same specification as the original harness installed at the factory, ensuring correct connector indexing, wire gauge, and routing across all covered variants. This harness fits an extensive range of G25 and G50 machines — including 600V mobile generator builds and Hertz-specific configurations — making it the right choice whether you are servicing a single unit or maintaining a fleet. Order with confidence knowing fitment has been verified against Wacker Neuson's own parts data for every model listed.
Key Features
- OEM-Correct Electrical Specification — Manufactured to the original wire gauge, insulation rating, and connector pinout required by the Isuzu engine interface on G25 and G50 generators.
- Drop-In Connector Compatibility — All plugs, terminals, and routing lengths match the original harness exactly, allowing direct installation without splicing, adapting, or re-pinning.
- Broad G25 and G50 Coverage — A single part number covers Standard, Cold Weather, Custom, Extended Run, Mobile, Battlefield, Hertz, 600V Mobile, and URI HVAC Tier 4 Final variants across both generator families.
- Sustained Engine Control Integrity — A healthy wiring harness keeps engine management signals clean and uninterrupted; a degraded harness can trigger fault codes, cause erratic output, or prevent the generator from starting altogether.
- Electrical Safety Assurance — Genuine OEM insulation and strain-relief construction reduces the risk of chafing, short circuits, or arc faults in a high-vibration generator environment.
The wiring harness is the central electrical backbone connecting the Isuzu engine's sensors, actuators, and control modules to the generator's management system. It carries critical signals including engine speed, temperature, oil pressure, and fuel control data — all of which the control system relies on to regulate output and protect the engine from damage. When a harness degrades through vibration fatigue, heat cycling, or moisture ingress, the resulting signal loss or intermittent faults can cause unexplained shutdowns, diagnostic errors, or a complete failure to start, making prompt replacement essential to restoring dependable generator operation.
Part Details
| Part Number | 5200014349 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Isuzu Engine Wiring Harness |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| G25 Generator, Custom T4F | G25 | 5200009372, 5200009376, 5200009370, 5200009371, 5200009373, 5200009377, 5200009375, 5200009374, 5100041584, 5200022587, 5100041580, 5100017591, 5100041581, 5100041582, 5100041583 |
| G50 Generator, Custom T4F | G50 | 5200014322, 5200014319, 5200014320, 5200014323, 5200017829, 5200022589, 5100042434, 5200017830, 5100042430, 5100042435, 5100045494, 5100042431, 5100042433, 5100045085, 5100045493, 5100042432 |
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.
