The Wacker Neuson Lock Nut is a genuine OEM fastener designed for the Arctic Bear HD mobile indirect diesel air heater. Sourced directly from Wacker Neuson, this OEM component ensures the exact thread engagement and holding force specified for the Arctic Bear HD. Genuine OEM status means this Lock Nut matches the original hardware installed at the factory, keeping your heater assembly properly secured during operation.
Key Features
- Genuine OEM Thread Integrity — Manufactured to the exact thread pitch and torque specification required by the Arctic Bear HD heater, ensuring secure clamping without risk of backing off under vibration or thermal cycling.
- Direct-Fit Replacement — Matches the original fastener profile so it installs straight into the existing assembly with no reworking of mating hardware.
- Arctic Bear HD Compatibility — Verified fitment for the Arctic Bear HD mobile indirect diesel air heater (part number 5000168842).
- Vibration and Heat Resistance — Lock nut design resists self-loosening in the high-vibration, high-temperature environment typical of diesel-fired indirect heater operation, maintaining joint integrity across extended run cycles.
A lock nut is a threaded fastener engineered to resist loosening caused by vibration and dynamic loads. Unlike a standard nut, its locking feature — whether a nylon insert, prevailing-torque profile, or deformed thread — creates additional friction that keeps the nut securely in place once torqued. In a diesel indirect air heater like the Arctic Bear HD, fasteners are exposed to constant engine vibration and repeated heat cycles; a loose or missing lock nut can allow critical components to shift or detach, compromising heater performance and safe operation. Replacing a worn or damaged lock nut promptly restores the mechanical integrity of the assembly.
Part Details
| Part Number | 5000168842 |
|---|---|
| Old Part Number | 0168842 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Lock Nut |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Mobile Indirect Air Heater, Di esel | Arctic Bear HD | 5000620197 |
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.
