The Wacker Neuson Tube is a genuine OEM component designed for the HI 400HD G Indirect Air Heater. As a factory-sourced part, it is manufactured to the exact specifications required by the HI 400HD G, ensuring a correct, trouble-free installation. Whether you are performing scheduled maintenance or restoring a heater that has developed a leak or flow restriction, replacing the tube with the authentic Wacker Neuson keeps the unit operating as designed throughout the heating season.
Key Features
- Genuine OEM Construction: — Manufactured to Wacker Neuson's exact dimensional and material tolerances, ensuring the tube handles the thermal cycling and fuel or fluid pressures specific to the HI 400HD G without premature degradation.
- Direct Drop-In Replacement: — Engineered to match the original routing, diameter, and end connections of the factory tube, so it seats correctly without adaptation or modification.
- Confirmed Fitment for HI 400HD G: — Sourced specifically for the HI 400HD G Indirect Air Heater, eliminating compatibility guesswork on this model.
- Maintains Proper Flow and Pressure Integrity: — A correctly functioning tube sustains consistent fuel or fluid delivery through the heater circuit; a cracked, kinked, or worn tube can disrupt output and cause the unit to shut down or run inefficiently in cold-weather operations.
- Verified Part Number: — Cross-reference part number 5000186694 against your machine's parts diagram before ordering to confirm you have the right component for your serial number range.
On an indirect-fired air heater such as the HI 400HD G, internal tubes are responsible for routing fuel, fluid, or combustion byproducts through the system in a controlled path. This keeps heat transfer efficient and prevents leaks that could compromise both output and safe operation. When a tube cracks, collapses, or develops a blockage, the heater's ability to deliver consistent warm air output is directly affected, making timely replacement essential during demanding cold-weather work.
Part Details
| Part Number | 5000186694 |
|---|---|
| Old Part Number | 0186694 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Tube |
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.
