The Wacker Neuson Fitting is a genuine OEM component designed for the HI 770 XHD indirect-fired air heater series, including Arctic Bear XHD and HI770XHD configurations. As a factory-sourced part, the is manufactured to the same specifications as the original, ensuring a correct, consistent connection within the heater's fluid or fuel circuit. This fitting is compatible across multiple HI 770 XHD variants, covering dual-duct and single-duct configurations used on diesel-powered units. Keeping the correct OEM fitting in place is essential to maintaining the integrity and performance of your indirect air heater on the jobsite.
Key Features
- Genuine OEM Construction — Manufactured to original Wacker Neuson tolerances, ensuring correct thread engagement, port sizing, and sealing surface quality specific to this heater application.
- Direct Replacement for HI 770 XHD Series — Installs in the same position as the original, with no rework needed to existing line connections or mounting points.
- Broad HI 770 XHD Compatibility — Fits Arctic Bear XHD, HI770XHD diesel indirect air heaters across 2x12, 1x16, and 1x20 duct configurations, as well as Extra Heavy Duty variants.
- Maintains Heater Circuit Integrity — A correctly functioning fitting preserves leak-free flow through the heater's fuel or fluid lines; a damaged or incorrect fitting risks pressure loss, leaks, or compromised heat output in cold-weather operations.
- Fuel and Fluid System Safety — Using the correct OEM-spec fitting in diesel-fueled heating equipment is critical to preventing fuel line leaks and maintaining safe, compliant operation in enclosed or temporary heating environments.
A fitting serves as a connection point within the machine's internal plumbing — joining fuel lines, coolant passages, or fluid circuits so that flow is directed correctly and contained securely. In an indirect-fired diesel air heater like the HI 770 XHD, fittings must maintain a leak-free seal under the thermal cycling and vibration conditions typical of portable heating equipment. When a fitting cracks, strips, or degrades, it can allow fuel or fluid to escape the circuit, leading to reduced heating performance, potential safety hazards, or unplanned shutdowns during cold-weather operations.
Part Details
| Part Number | 5000173288 |
|---|---|
| Old Part Number | 0173288 |
| 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.
