The Wacker Neuson Nipple Fitting is a genuine OEM component designed for the HI 770 XHD Indirect Air Heater series, including Arctic Bear XHD and Extra Heavy Duty Air Heater configurations. As a factory-sourced part, it matches the original specification exactly, ensuring proper connection and sealing within the heater's fuel or fluid line system. If you're servicing an HI 770 XHD unit and need a replacement fitting you can trust, this is the correct part.
Key Features
- OEM-Grade Thread and Dimensional Accuracy — Manufactured to the exact thread form and dimensional tolerances of the original, ensuring a leak-free, metal-to-metal connection every time.
- Drop-In Replacement for HI 770 XHD Heaters — Installs directly in place of the original fitting with no reworking of adjacent lines or fittings needed.
- Broad HI 770 XHD Coverage — Compatible across multiple HI 770 XHD configurations, including Arctic Bear XHD, 1x16, 1x20, 2x12, and Extra Heavy Duty Air Heater variants.
- Maintains Fuel and Fluid Line Integrity — A worn or damaged fitting can allow fuel or fluid leakage, compromising heater output and creating a hazardous condition on the worksite. The correct fitting keeps the system sealed and running at rated capacity.
- Fuel System Safety — On diesel indirect-fired heaters, fitting integrity is a direct safety concern. Using a genuine OEM part ensures the connection meets the original pressure and sealing requirements of the HI 770 XHD fuel circuit.
A nipple fitting is a short threaded connector used to join two sections of pipe, hose, or component ports within a fluid or fuel line system. In a diesel indirect-fired air heater like the HI 770 XHD, these fittings are part of the fuel delivery circuit that carries diesel to the burner assembly. A cracked, corroded, or stripped nipple fitting can cause fuel leakage, disrupt burner performance, or prevent the heater from reaching and holding its target output temperature. Replacing a compromised fitting promptly keeps the fuel system sealed and the heater operating safely and efficiently.
Part Details
| Part Number | 5000168728 |
|---|---|
| Old Part Number | 0168728 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Nipple 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.
