The Wacker Neuson Control Box is a genuine OEM component designed for the HI 400HD G Indirect Air Heater. As a factory-sourced part, it is built to the exact specifications of the original, ensuring full compatibility and correct operation within the heater's control system. This is a direct OEM replacement sourced through authorized Wacker Neuson supply channels, giving you confidence that the part will perform exactly as the original did from day one. If your HI 400HD G is experiencing control or ignition faults, replacing the control box with the correct OEM part is the surest path to restoring full function.
Key Features
- Genuine OEM Electrical Specification — Manufactured to the original circuit and output tolerances required by the HI 400HD G control system, ensuring correct signal behavior and safe heater operation.
- Direct Drop-In Replacement — Matches the original mounting footprint and wiring harness connections of the HI 400HD G, allowing for straightforward installation without adaptation.
- Confirmed Fitment — Verified for the HI 400HD G Indirect Air Heater, so you can order with confidence knowing this is the correct part for your machine.
- Restores Full Heater Control — A functioning control box governs ignition sequencing, fuel delivery commands, and safety shutoffs; a failed unit can leave the heater unable to start or cause erratic operation.
- Safety-Critical Compliance — As the component responsible for managing burner ignition and safety lockout functions on a fuel-fired heater, using a genuine OEM control box ensures all protective circuits operate within the original design parameters.
The control box is the electronic brain of the HI 400HD G indirect-fired air heater. It manages the ignition sequence, monitors flame detection, and issues commands to the fuel system to maintain consistent heat output — all while supervising safety shutoff routines if abnormal conditions are detected. When the control box fails or degrades, symptoms can range from a complete no-start condition to unreliable ignition cycling or nuisance shutdowns, making prompt replacement essential for maintaining safe, uninterrupted heat on the jobsite.
Part Details
| Part Number | 5000186673 |
|---|---|
| Old Part Number | 0186673 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Control Box |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI 400HD G Indirect Air Heater | HI400HD G | 5000620701 |
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.
