The Wacker Neuson Igniter is a genuine OEM component designed for the HI 770 XHD series indirect-fired air heaters, including Arctic Bear XHD and Arctic Bear XHD NS diesel models. As a direct OEM replacement, this igniter is built to the exact specifications of the original part, ensuring reliable cold-weather startup performance across the full HI 770 XHD heater lineup. Confirm your model number against the fitment list before ordering to ensure a correct match.
Key Features
- OEM Ignition Spec: — Manufactured to the original spark output and electrode geometry required by the HI 770 XHD combustion system — not a generic substitute.
- Drop-In Replacement: — Matches the original igniter's mounting position and connector configuration, allowing straightforward installation without special tooling.
- Broad HI 770 XHD Coverage: — Fits Arctic Bear XHD, Arctic Bear XHD NS, and standard HI 770 XHD indirect diesel air heater configurations across multiple machine numbers.
- Consistent Burner Ignition: — A functioning igniter ensures the burner fires cleanly on demand; a failed or weak igniter leads to failed start attempts, fuel flooding, and loss of heat output on the jobsite.
- Fuel System Safety: — Correct igniter output is critical in a diesel-fired heater — a misfiring or failed igniter can allow unburned fuel to accumulate in the combustion chamber, making genuine OEM specification especially important here.
The igniter in an indirect-fired diesel air heater generates the high-voltage spark that ignites the diesel fuel spray inside the combustion chamber. Without a properly functioning igniter, the burner cannot initiate combustion, meaning the unit will fail to produce heat regardless of fuel supply or airflow. Over time, electrode wear or carbon fouling causes weak or absent spark, resulting in hard starts, lockout faults, or complete heater shutdown — replacing the igniter restores reliable burner ignition and full heating capacity.
Part Details
| Part Number | 5000173600 |
|---|---|
| Old Part Number | 0173600 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Igniter |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI 770 XHD Indirect Air Heater, Diesel, 2x12 | Arctic Bear XHD | 5000620676 |
| HI 770 XHD Indirect Air Heater, Diesel, 1x16 | HI770XHD | 5000620183, 5200003814, 5200004934, 5100049894 |
| HI770XHD Indirect Heater | Arctic Bear XHD NS | 5000620690 |
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.
