The Wacker Neuson 5000183946 Pipe is a genuine OEM component designed for the HI series indirect-fired diesel air heaters. This pipe services an extensive range of units including the HI110D, HI110HD D, HI200D, HI200HD D, HI300D, HI300HD D, HI400HD D, HD50, HD70, HI35, HI90, HI90HD, HI120, and HI120HD. Sourced directly from Wacker Neuson, this part meets the exact engineering standards of the original production component. When maintaining or repairing your indirect diesel heater, using the correct OEM pipe ensures the integrity of the airflow and combustion system throughout the unit.
Key Features
- Genuine OEM Construction — Manufactured to the same material and dimensional tolerances as the original, ensuring proper sealing, fitment, and flow characteristics within the heater's internal ducting or fuel delivery circuit.
- Drop-In Replacement — Matches original mounting points and connection interfaces, allowing straightforward installation without modification to adjacent components.
- Broad HI Series Compatibility — Fits a wide range of Wacker Neuson indirect-fired diesel air heaters, including HI35, HI90, HI90HD, HI110D, HI120, HI120HD, HI200D, HI200HD D, HI300D, HI300HD D, HI400HD D, HD50, and HD70 units.
- Sustained Heating Performance — A correctly fitted pipe maintains proper fuel or airflow routing within the heater; a cracked, corroded, or damaged pipe can lead to heat loss, combustion irregularities, or complete heater shutdown on the worksite.
- Combustion System Integrity — In an indirect-fired heater, maintaining sealed and correctly routed pipe connections is critical to safe, efficient operation and keeping exhaust gases fully separated from the heated airstream.
In an indirect-fired diesel air heater, internal pipes route fuel, combustion air, or heated airflow between key components of the system — keeping each circuit properly isolated and flowing. A damaged or degraded pipe can disrupt fuel delivery, compromise airflow balance, or allow unwanted leakage within the heater assembly, all of which reduce heating output and can force the unit offline. Replacing a worn pipe with a genuine OEM part restores the circuit to its original operating condition and keeps the heater running efficiently in cold-weather applications.
Part Details
| Part Number | 5000183946 |
|---|---|
| Old Part Number | 0183946 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Pipe |
Compatibility & Fitment
| Name | Models | Machine Number |
|---|---|---|
| HD 50 | HD50 | 5200019335 |
| HD 70 | HD70 | 5200019336 |
| HI 90 | HI90 | 5200019340 |
| HI 90HD | HI90HD | 5200019341 |
| HI 110D, HEATER-INDIRECT, DIESEL, -20° | HI110D | 5000620915 |
| HI 110HD D Indirect Air Heater, Diesel | HI110HD D | 5000620864 |
| HI 120 | HI120 | 5200019342 |
| HI 120HD | HI120HD | 5200019343 |
| HI 200 D Indirect Air Heater | HI200D | 5000620865, 5200011877 |
| HI 200HD D Indirect Air Heater | HI200HDD | 5000620916, 5200011878 |
| HI 300D, HEATER-INDIRECT, DIESEL, -20° | HI300D | 5000620866 |
| HI 300HD D Indirect Air Heater, Diesel | HI300HDD | 5000620867 |
| HI 400HD D Indirect Air Heater | HI400HDD | 5000620868 |
| HI35 | HI35 | 5200019337 |
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.