The Wacker Neuson Diffuser is a genuine OEM component designed for the HDR 115 Direct Fired Radiant Heater. Sourced directly from Wacker Neuson, this diffuser carries the same part number and specification as the original, ensuring a direct, hassle-free installation. If your HDR 115 is running unevenly, producing inconsistent heat distribution, or showing signs of wear at the burner assembly, the is the correct replacement to restore full heating performance.
Key Features
- Genuine OEM Combustion Geometry — Manufactured to Wacker Neuson's exact burner diffuser specifications, preserving the precise airflow and flame-shaping profile required for safe, efficient radiant heat output.
- Direct Drop-In Replacement — Matches the original mounting interface and dimensions of the HDR 115, allowing the part to seat and secure correctly without modification to surrounding burner components.
- Confirmed Fitment for HDR 115 — Verified for the HDR 115 Direct Fired Radiant Heater, so you can order with confidence that this is the right part for your machine.
- Restores Even Heat Distribution — A worn or damaged diffuser causes uneven flame spread and reduced heating efficiency; replacing it with the correct OEM part brings heat output back to its rated performance level.
- Fuel System Safety Compliance — As a combustion-path component, using the correct OEM diffuser helps maintain proper air-to-fuel mixing and flame containment, which is critical for safe operation of any direct-fired heating unit.
The diffuser is a core combustion component positioned within the burner assembly of a direct-fired radiant heater. Its role is to shape and spread the incoming air and fuel mixture so that combustion occurs evenly and efficiently across the burner face, producing consistent radiant heat output. When a diffuser becomes cracked, warped, or eroded, the flame pattern becomes irregular, leading to reduced heating performance, increased fuel consumption, and potentially unsafe combustion conditions — making timely replacement essential for both output quality and operator safety.
Part Details
| Part Number | 5100020458 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Diffuser |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HDR 115 Direct Fired Radiant Heater | HDR115 | 5100018592 |
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.