The Wacker Neuson Tube is a genuine OEM component designed for the HI 400HD G Indirect Air Heater. Sourced directly from Wacker Neuson, this tube matches the original specification installed at the factory, ensuring a correct, hassle-free installation. If you're servicing or restoring an HI 400HD G unit, fitting the right tube from the start keeps the heater running as intended.
Key Features
- Genuine OEM Material Integrity — Manufactured to the same material and dimensional spec as the original, maintaining correct flow characteristics and pressure tolerance within the heater's fuel or air circuit.
- Direct Drop-In Replacement — Engineered to match the original routing, connection points, and end fittings of the HI 400HD G, so installation follows the standard service procedure without adaptation.
- Confirmed HI 400HD G Fitment — Verified for the HI 400HD G Indirect Air Heater; always cross-reference part number 5000186693 against your unit's serial number before ordering.
- Sustained Heater Output — A correctly seated tube maintains uninterrupted flow through the heater system, supporting consistent heat delivery — critical on cold-weather jobsites where reliable output is non-negotiable.
- Fuel or Air System Integrity — A cracked, kinked, or deteriorated tube can cause pressure loss, fuel seepage, or combustion irregularities; replacing it promptly restores safe, efficient heater operation.
In an indirect-fired air heater like the HI 400HD G, internal tubes carry fuel, air, or fluid between system components — routing these media safely through the combustion and heat-exchange circuit. A tube in sound condition maintains the pressure and flow needed for the burner to fire cleanly and the heat exchanger to deliver warm, clean air to the work area. When a tube cracks, collapses, or develops a leak, flow is disrupted, output drops, and in fuel-carrying applications there is a risk of uncontrolled leakage — making timely replacement with the correct OEM part the straightforward fix.
Part Details
| Part Number | 5000186693 |
|---|---|
| Old Part Number | 0186693 |
| 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.
