The Wacker Neuson Fitting is a genuine OEM component designed for the HI 770 XHD and Arctic Bear XHD series indirect-fired diesel air heaters. Sourced directly from Wacker Neuson, this fitting delivers the exact dimensional tolerances and material specification required to maintain a leak-free connection within the heater's fuel or fluid circuit. It is a verified direct replacement for HI 770 XHD and Arctic Bear XHD models, ensuring compatibility across the range of configurations including 2x12, 1x16, and 1x20 duct setups.
Key Features
- OEM-Grade Sealing Integrity — Manufactured to Wacker Neuson's original material and thread specification, this fitting maintains a secure, pressure-rated connection in demanding diesel heater applications.
- Drop-In Replacement — Matches the original fitting's thread form, size, and port geometry exactly, allowing straightforward installation without adaptation or rework.
- Broad HI 770 XHD Compatibility — Fits multiple HI 770 XHD configurations as well as the Arctic Bear XHD indirect air heater, covering a wide range of jobsite heating setups.
- Sustains Full Heating Output — A correctly seated fitting keeps the fuel or fluid circuit sealed and flowing at spec, allowing the heater to deliver rated BTU output in cold-weather operations.
- Fuel System Safety — A cracked or improperly threaded fitting in a diesel heating circuit can result in fuel weeping or pressure loss; replacing with a genuine OEM part restores the integrity of the system.
A fitting in an indirect-fired air heater forms a sealed junction point within the machine's fuel or fluid circuit, connecting hoses, lines, or components so that fuel or heat-transfer fluid moves through the system without leakage. In diesel heaters like the HI 770 XHD, maintaining tight connections throughout the circuit is essential for consistent combustion and rated heat output. When a fitting cracks, strips, or corrodes, it can cause pressure drop, fluid seepage, or combustion irregularities — all of which reduce heater effectiveness and can create safety concerns on the worksite.
Part Details
| Part Number | 5000168697 |
|---|---|
| Old Part Number | 0168697 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Fitting |
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 |
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.
