The Wacker Neuson Nozzle Nut is a genuine OEM component designed for the HIF 690 Flameless Air Heater series. Sourced directly from Wacker Neuson, this part meets the same specifications as the original hardware installed at the factory, so you can replace it with confidence. It is confirmed to fit both HIF 690 Flameless Air Heater configurations, including the Kubota engine variant.
Key Features
- Genuine OEM Threading Integrity — Manufactured to exact thread pitch and torque tolerances for the nozzle assembly, ensuring a secure, leak-free connection at the burner nozzle.
- Drop-In Hardware Replacement — Matches the original fastener geometry, so it seats and tightens the same way as the part it replaces with no rework needed.
- Confirmed HIF 690 Fitment — Compatible with HIF 690 Flameless Air Heater models, including the Kubota engine-equipped variant.
- Fuel System Retention — A correctly secured nozzle nut holds the nozzle firmly in position, maintaining proper fuel spray pattern and combustion efficiency inside the heater.
- Safety-Critical Fuel Connection — A loose or damaged nozzle nut can allow fuel leakage at the burner head; replacing with a genuine OEM part restores the integrity of this connection.
The nozzle nut secures the fuel nozzle within the burner assembly of a flameless air heater, holding it in the correct position so fuel is delivered at the right pressure and spray angle for clean, efficient combustion. If the nut becomes stripped, corroded, or loses its clamping force, the nozzle can shift or leak, leading to poor heat output, inconsistent operation, or a potential fuel safety hazard. Replacing a worn nozzle nut promptly keeps the burner assembly functioning as intended and maintains safe heater operation on the worksite.
Part Details
| Part Number | 5100028287 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Nozzle Nut |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HIF 690 Flameless Air Heater | HIF690 | 5100017599, 5200021915 |
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.
