The Wacker Neuson Plug is a genuine OEM component designed for the Arctic Bear XHD NS indirect-fired air heater. As a factory-sourced part, it is manufactured to the exact specifications required by the HI770XHD, ensuring a correct, trouble-free installation without guesswork. Sourced directly through the Wacker Neuson OEM supply chain, this plug delivers the fit and function the original design demands. If you are servicing or repairing your Arctic Bear XHD NS heater, verifying the part number against your unit's parts diagram is the fastest way to confirm compatibility before ordering.
Key Features
- Genuine OEM Sealing Integrity — manufactured to the exact material grade and thread specification required for the Arctic Bear XHD NS, ensuring a leak-free, pressure-rated seal in a fuel or fluid circuit.
- Direct Drop-In Fitment — threaded to match the original port dimensions on the HI770XHD, so installation is straightforward with standard hand tools.
- Confirmed Compatibility — verified for the Arctic Bear XHD NS indirect-fired air heater (HI770XHD series).
- Protects System Performance — a correctly seated plug maintains circuit pressure and prevents fluid or combustion gas ingress, keeping the heater operating at rated output in cold-weather jobsite conditions.
- Fuel and Climate System Safety — on indirect-fired heaters, a failed or improperly fitted plug in a fuel or exhaust circuit can create a leak or combustion hazard; using the correct OEM-spec part is the safest choice during service.
A plug in an indirect-fired air heater serves as a sealing closure for ports, galleries, or service access points within the fuel, fluid, or exhaust circuit. It prevents leaks, maintains system pressure, and blocks contaminants from entering critical passages when a line or fitting is not in use. When a plug fails — through thread wear, cracking, or improper seating — it can cause fuel or fluid loss, pressure drop, or combustion hazards that affect both heater output and operator safety.
Part Details
| Part Number | 5000177994 |
|---|---|
| Old Part Number | 0177994 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Plug |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 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.
