The Wacker Neuson Stiffener is a genuine OEM structural component designed for the HI770XHD and Arctic Bear XHD series indirect-fired diesel air heaters. Sourced directly from Wacker Neuson, this part carries the same specifications as the original, ensuring it fits and functions exactly as the factory intended. It is confirmed compatible with the HI770XHD Indirect Air Heater, Arctic Bear XHD, and Arctic Bear XHD NS configurations. When you need to restore structural integrity to your indirect heater, using the correct OEM part is the straightforward choice.
Key Features
- Genuine OEM Construction: — Manufactured to Wacker Neuson's original structural specifications, ensuring the correct material grade and dimensional profile for a load-bearing stiffener application.
- Drop-In Replacement: — Engineered to match the original mounting points and profile of the HI770XHD platform, so installation follows the same procedure as the factory-fitted part.
- Broad HI770XHD Series Coverage: — Fits the HI770XHD Indirect Air Heater (1x16 and 2x12 configurations), Arctic Bear XHD, and Arctic Bear XHD NS indirect heaters.
- Structural Rigidity Restored: — A compromised stiffener can allow chassis or panel flex, leading to misalignment of internal components and accelerated wear on surrounding parts; replacing it promptly keeps the heater's frame solid and components correctly positioned.
- Verified Part Number: — Order with confidence using Wacker Neuson part number 5000167421, cross-referenced directly to the HI770XHD and Arctic Bear XHD model lineup.
A stiffener is a structural reinforcement component that adds rigidity to the heater's frame or panel assembly, preventing unwanted flex or movement during operation and transport. On indirect-fired diesel air heaters like the HI770XHD, maintaining a rigid housing is important because internal components — including the heat exchanger and combustion assembly — rely on consistent alignment to operate safely and efficiently. When a stiffener is damaged, bent, or missing, the surrounding structure can shift under vibration or load, potentially affecting seals, connections, and the overall durability of the unit.
Part Details
| Part Number | 5000167421 |
|---|---|
| Old Part Number | 0167421 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Stiffener |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI 770 XHD Indirect Air Heater, Diesel, 1x16 | HI770XHD | 5000620183 |
| HI 770 XHD Indirect Air Heater, Diesel, 2x12 | Arctic Bear XHD | 5000620676 |
| HI770XHD Indirect Heater | Arctic Bear XHD NS | 5000620690 |
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.