The Wacker Neuson Wiring Harness is a genuine OEM component designed for HI750GMHD and HI900DGM series indirect-fired air heaters. Sourced directly from Wacker Neuson, this harness delivers exact connector placement, correct wire gauging, and proper insulation ratings to match the original electrical architecture of these heaters. It is confirmed to fit the HI750GMHD Mobile Indirect Air Heater and HI900DGM heater variants, including surge and electric configurations. When your heating equipment depends on consistent power delivery across control systems and ignition circuits, installing the correct OEM harness keeps every electrical connection performing as intended.
Key Features
- Correct OEM Wiring Spec: — Genuine Wacker Neuson part with matched wire gauges, connector pinouts, and insulation ratings engineered for indirect-fired heater electrical loads.
- Drop-In Connector Compatibility: — Each connector and terminal is pre-terminated to align with the original harness routing and plug locations on the HI750GMHD and HI900DGM heater platforms.
- Broad HI Series Coverage: — Fits HI750GMHD Mobile Indirect Air Heater (surge, -40°) and HI900DGM heater variants including surge and electric configurations.
- Supports Reliable Heater Operation: — A damaged or degraded wiring harness causes intermittent ignition faults, control board errors, and burner shutdowns; replacing it restores full electrical integrity to the heating circuit.
- Electrical Safety Compliance: — Using the correct OEM harness ensures the heater's control and safety circuits operate within designed voltage and current parameters, protecting both the equipment and the operator.
The wiring harness is the central electrical backbone of the indirect-fired air heater, routing power and control signals between the burner assembly, combustion controls, thermostats, and safety shutoffs. A healthy harness ensures every sensor reading and command reaches its destination without voltage drop or signal loss. When a harness degrades — through heat cycling, abrasion, or moisture ingress — the result is erratic burner behavior, nuisance faults, or complete heater shutdown, making prompt replacement critical for uninterrupted heating on the jobsite.
Part Details
| Part Number | 5200002141 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Wiring Harness |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI 750GM HD-Mobile Indirect Ai r Heater-Surge, -40 | HI750GMHD | 5000620969 |
| HI900 Heater-DGM,Srg,-40 | HI900DGM | 5200014221, 5200014222 |
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.
