The Wacker Neuson Plug is a genuine OEM component designed for the HI 770 XHD Indirect Air Heater series, including Arctic Bear XHD and Arctic Bear XHD NS configurations. As a factory-sourced replacement, this plug is built to the exact specifications of the original part and installs directly into compatible HI 770 XHD diesel indirect air heaters without any modification. Sourcing the correct OEM plug ensures a secure, leak-free seal and keeps your heater operating at full capacity when job conditions demand it most.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to the original material and thread specification, ensuring a proper pressure-tight seal in the heater's fluid or fuel circuit.
- Direct Drop-In Replacement — Engineered to match the original mounting point on HI 770 XHD heaters, threading in cleanly with no rework to surrounding components.
- Broad HI 770 XHD Compatibility — Fits multiple Arctic Bear XHD and HI 770 XHD configurations across diesel indirect air heater variants, including 2x12, 1x16, and 1x20 ducting setups.
- Protects System Performance — A correctly installed plug maintains circuit integrity within the heater assembly; a failed or missing plug can result in fluid loss, pressure drop, or heater shutdown in cold-weather operations.
- Fuel and Fluid System Compliance — Using the correct OEM-specified plug in a diesel heater's fuel or fluid circuit is critical to preventing leaks that could create fire or operational hazards on the worksite.
A plug in an indirect air heater serves as a sealing component within the heater's internal fluid, fuel, or air circuit — closing off a port or passage that is not in active use, or capping a service access point after maintenance. When a plug fails, cracks, or is improperly seated, it can allow fuel, coolant, or pressurized air to escape, compromising heater output and creating potential safety concerns in demanding cold-weather environments. Replacing a worn or damaged plug with the correct OEM part restores circuit integrity and keeps the HI 770 XHD running efficiently through extended heating operations.
Part Details
| Part Number | 5000167414 |
|---|---|
| Old Part Number | 0167414 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Plug |
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.
