The Wacker Neuson Fitting is a genuine OEM component designed for the HI 90HD and HI 120 indirect-fired air heaters. Sourced directly from Wacker Neuson, this fitting is manufactured to the exact specifications required for proper fluid or fuel line connections on these heater units. It is a direct match for both the HI 90HD and HI 120 models, ensuring correct installation without the guesswork of adapting an incompatible part.
Key Features
- Genuine OEM Material Integrity — Manufactured to Wacker Neuson's original material and dimensional specifications, ensuring the fitting maintains a leak-free seal under the pressure and temperature demands of indirect-fired heater operation.
- Direct-Connect Replacement — Threads or seats to the same port geometry as the original, allowing straightforward installation into the HI 90HD and HI 120 heater line connections.
- Confirmed HI Series Fitment — Verified for the HI 90HD and HI 120 indirect-fired air heater models, covering both units in this diesel-powered heater family.
- Sustained Heater Performance — A compromised fitting can cause fuel or fluid leaks that disrupt combustion and heat output; replacing it with part 5200025117 restores proper flow and consistent heating performance on the worksite.
- Fuel System Safety — Fittings in diesel heater fuel lines are subject to pressure cycling and heat exposure; using the correct OEM-spec fitting helps prevent seepage that could create a fire hazard in enclosed or cold-weather work environments.
A fitting serves as a connection point within a machine's fuel, fluid, or air line system, securing two components together while maintaining a sealed passage for flow. In indirect-fired air heaters like the HI 90HD and HI 120, fittings are exposed to repeated thermal cycling and fuel pressure, making material integrity and precise thread or seat geometry critical. A worn, cracked, or incorrectly sized fitting can cause leaks that reduce heating efficiency or create unsafe operating conditions.
Part Details
| Part Number | 5200025117 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Fitting |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI 90HD | HI90HD | 5200019341 |
| HI 120 | HI120 | 5200019342 |
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.