The Wacker Neuson Electrical Control Box Panel is a genuine OEM component designed for the HI 400HD D, HI 120, and HI 120HD indirect air heater series. Sourced directly from Wacker Neuson, this panel meets the exact electrical and mechanical specifications of the original part it replaces. Whether you are returning a heater to full operation or completing a planned service, the installs directly into place with no guesswork. Confirmed fitment spans the HI 400HD D, HI 120, and HI 120HD models, making it a dependable choice for fleet operators and service technicians working across these units.
Key Features
- OEM-Spec Electrical Integrity — Manufactured to Wacker Neuson's original circuit layout and connector specifications, ensuring correct signal routing and control output for the heater's operating system.
- Drop-In Panel Replacement — Matches the original mounting points and wiring harness connections of the HI 400HD D, HI 120, and HI 120HD, allowing a straightforward swap during service.
- Verified Multi-Model Fitment — A single panel covering the HI 400HD D (5000620868), HI 120 (5200019342), and HI 120HD (5200019343) indirect air heater lines.
- Restores Full Heater Control Function — A failed or damaged control box panel can cause erratic operation, loss of ignition control, or complete heater shutdown; replacing it with a genuine part brings full operational control back online.
- Electrical Safety Compliance — As a genuine OEM electrical assembly, this panel maintains the insulation ratings, grounding paths, and circuit protection design validated for safe heater operation.
The electrical control box panel serves as the command center for the indirect air heater, housing the controls and circuitry that manage ignition sequencing, burner operation, and safety shutoff functions. When this panel is damaged or fails, the heater may not start, may run erratically, or may lose the ability to respond to operator inputs — leaving a worksite without heat in conditions where it is most needed. Replacing a worn or faulty panel with a genuine OEM unit restores the full range of control functions the heater was designed to deliver.
Part Details
| Part Number | 5200021284 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Electrical Control Box Panel |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI 400HD D Indirect Air Heater | HI400HDD | 5000620868 |
| HI 120 | HI120 | 5200019342 |
| HI 120HD | HI120HD | 5200019343 |
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.
