The Wacker Neuson is a genuine OEM Heater Fuse to Relay Cable Assembly designed for the G320 portable generator series. Sourced directly from Wacker Neuson, this cable assembly carries the exact connector configuration, wire gauge, and insulation specification required by the G320 platform — covering Standard, Cold Weather, and Custom configurations across T4, T4i, and Tier 4 Final variants. Whether you are servicing a fleet unit or restoring a single machine to full output, this OEM part ensures the electrical circuit between the heater fuse and relay is restored to its original design intent. Fitment spans the full G320 family, including Transport Canada-certified and Hertz-specification models.
Key Features
- Correct Wire and Connector Spec — Genuine OEM construction means the correct terminal type, wire gauge, and insulation grade for the G320 heater circuit — no substitution guesswork.
- Broad G320 Coverage — Compatible with Standard, Cold Weather, Custom, and specialty G320 configurations across T4, T4i, Tier 4 Final, Transport Canada, and Hertz variants.
- Drop-In Replacement — Matches the original routing and connector positions in the G320 electrical panel, allowing straightforward removal and reinstallation without reworking the harness.
- Protects Heater Circuit Integrity — A damaged or corroded fuse-to-relay cable can interrupt cold-weather preheating, causing hard starts or no-start conditions in low-temperature operation — this replacement restores that protection.
- Electrical Safety Compliance — Fuel system preheat circuits carry fault risk if wired incorrectly; using the genuine OEM cable ensures the connection meets the original overcurrent protection design for this generator.
The heater fuse to relay cable assembly is the dedicated wiring link that carries protected power from the fuse block to the relay controlling the engine's block heater or intake air heater circuit. In cold-climate operation, this circuit is essential — it allows the heater relay to be energized on demand, enabling the engine to reach safe starting temperatures before cranking. When this cable degrades, corrodes at the terminals, or suffers insulation damage, the heater relay may fail to activate, resulting in difficult cold-weather starts, increased engine wear during startup, or a complete no-start condition in freezing conditions. Replacing a worn cable assembly with the correct OEM part restores the circuit to its original protected state and ensures the relay responds reliably every time.
Part Details
| Part Number | 5000187937 |
|---|---|
| Old Part Number | 0187937 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Heater Fuse to Relay Cable Assembly |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| G320 Generator, Standard T4i | G320 | 5000620275, 5200008718, 5200010219, 5200010260, 5200010144, 5200010145, 5200010146, 5100045191, 5100045601, 5100045602, 5200008717, 5100018533, 5100049848, 5100049849, 5200010261 |
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.
