The Wacker Neuson Elbow is a genuine OEM component designed for the HI400HD G, HI400HD D, HDR155, HDR45, HI120, and HI120HD indirect air heaters and direct-fired radiant heaters. Sourced directly from Wacker Neuson, this part meets the exact specifications required for these heater models. The is a direct-fit replacement that slots into position the same way as the original, with no modifications to the heater assembly needed. Whether you're servicing an HI120HD on a winter job or returning an HI400HD D to full operation, this elbow keeps your heater running at the performance level it was built for.
Key Features
- Genuine OEM Construction — Manufactured to Wacker Neuson's exact dimensional and material tolerances, ensuring correct flow geometry and a leak-free connection in the heater's air or fuel pathway.
- Direct-Fit Replacement — Matches the original elbow's port sizing and connection type for straightforward installation on compatible HI and HDR series heaters.
- Broad Heater Family Coverage — Confirmed fitment across six models: HI400HD G, HI400HD D, HDR155, HDR45, HI120, and HI120HD indirect air and direct-fired radiant heaters.
- Maintains Airflow Integrity — A correctly seated elbow preserves the designed airflow routing; a cracked or degraded elbow can disrupt combustion airflow and reduce heater output.
- Fuel and Heat Pathway Safety — As a component within the heater's combustion or exhaust routing, using the correct OEM elbow helps ensure the system operates within its intended design parameters.
The elbow is a directional fitting that routes air, fuel, or exhaust flow through a controlled change in direction within the heater assembly. In indirect air heaters and direct-fired radiant heaters, maintaining the correct angle and seal at every junction is critical to efficient combustion and consistent heat output. When an elbow cracks, corrodes, or develops a leak, it can cause pressure loss, uneven heating, or combustion irregularities that reduce the heater's effectiveness on site.
Part Details
| Part Number | 5000183955 |
|---|---|
| Old Part Number | 0183955 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Elbow |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI 400HD G Indirect Air Heater | HI400HD G | 5000620701 |
| HI 400HD D Indirect Air Heater | HI400HDD | 5000620868 |
| HDR 155 Direct Fired Radiant Heater | HDR155 | 5200007530 |
| HDR 45 | HDR45 | 5200013800 |
| HI 120 | HI120 | 5200019342 |
| HI 120HD | HI120HD | 5200019343 |
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.