The Wacker Neuson Nut is a genuine OEM Nut designed for the HI 400HD G Indirect Air Heater. As a factory-sourced component, it is manufactured to the exact specifications required for correct installation and long-term function within the heater assembly. Sourcing the correct OEM Nut matters on climate equipment where loose or mismatched hardware can compromise both performance and safety. Confirm fitment against your HI 400HD G unit before ordering.
Key Features
- OEM-Spec Thread Integrity — Manufactured to exact thread pitch and material grade specifications, ensuring a secure hold within the HI 400HD G heater assembly without risk of stripping or backing out under vibration.
- Direct-Fit Hardware — Matches the original fastener dimensions so it seats and torques correctly without any modification to mounting points or mating components.
- HI 400HD G Compatibility — Sourced specifically for the HI 400HD G Indirect Air Heater; verify your model and machine number before ordering to ensure an accurate match.
- Genuine Wacker Neuson OEM Part — Supplied directly through the Wacker Neuson parts network, so you receive the same component installed at the factory — not a generic substitute.
- Fuel System and Combustion Integrity — Fastener failures on indirect-fired heaters can result in component misalignment affecting fuel delivery or exhaust routing; using the correct OEM hardware keeps critical connections secure.
A nut is a threaded fastener that pairs with a bolt or stud to clamp components firmly together within an assembly. On indirect-fired air heaters like the HI 400HD G, fasteners secure critical panels, fuel system components, and burner housings that must remain tight during operation. A worn, damaged, or incorrect nut can lead to loose connections, component movement, or hardware failure that disrupts heater output and may create unsafe operating conditions.
Part Details
| Part Number | 5000186688 |
|---|---|
| Old Part Number | 0186688 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Nut |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI 400HD G Indirect Air Heater | HI400HD G | 5000620701 |
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.
