The Wacker Neuson Fitting is a genuine OEM component designed for the HI 770 XHD indirect air heater series and HSH700 and HSH650 hydronic surface heaters. Sourced directly from Wacker Neuson, this fitting carries the same part number and specification as the original, ensuring a correct connection within the fluid or fuel circuit it serves. This genuine OEM part is the exact item your machine left the factory with, making it the straightforward choice when restoring system integrity after a leak, damage, or scheduled service. Compatible across multiple HI 770 XHD configurations — including 1x16, 1x20, 2x12, and Extra Heavy Duty variants — as well as the HSH700 and HSH650 surface heater platforms.
Key Features
- Genuine OEM Construction — Manufactured to Wacker Neuson's original material and dimensional spec, ensuring the correct thread form, sealing surface, and flow characteristics for this fitting's position in the circuit.
- Drop-In Connection — Matches the original port size and thread pattern exactly, threading directly into the existing connection point without rework or adapter fittings.
- Broad Fitment Coverage — Fits multiple HI 770 XHD indirect air heater configurations (1x16, 1x20, 2x12, Extra Heavy Duty) as well as HSH700 and HSH650 hydronic surface heaters — one part number across the range.
- Leak-Free System Pressure — A correctly seated fitting maintains the sealed circuit that keeps fuel, coolant, or fluid routed where it belongs; a damaged or cross-threaded fitting risks pressure loss, fluid leaks, and unplanned shutdowns on the heating unit.
- Fuel and Fluid System Safety — In diesel-fired and hydronic heating equipment, a properly rated fitting is critical to containing pressurized fuel and heated fluid safely; using the correct OEM part supports the system's designed pressure rating.
A fitting is a threaded or press-fit connector used to join sections of tubing, hose, or pipe within a machine's fuel, coolant, or fluid delivery circuit. In indirect air heaters like the HI 770 XHD and hydronic surface heaters like the HSH700 and HSH650, fittings route diesel fuel to the burner assembly and circulate heated fluid through the distribution network. When a fitting cracks, corrodes, or strips its threads, the circuit can lose pressure or leak — disrupting heat output and potentially creating a fuel or fluid safety hazard. Replacing a compromised fitting promptly with the correct OEM part restores the sealed circuit and keeps the heating system operating as designed.
Part Details
| Part Number | 5000173287 |
|---|---|
| Old Part Number | 0173287 |
| 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 |
| HSH700 | HSH700G | 5000620243 |
| HSH650 | HSH650 | 5000620991 |
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.
