The Wacker Neuson Hose is a genuine OEM hose designed for the HI 400HD G Indirect Air Heater. As a factory-sourced component, it is manufactured to the exact specifications required by the HI 400HD G, ensuring a correct, leak-free connection within the heater's fuel or fluid circuit. This part carries the Wacker Neuson OEM designation, meaning it leaves the same supply chain as the original — no guesswork on material grade, diameter, or end fittings. If your HI 400HD G is showing signs of a cracked, hardened, or leaking hose, part number is the direct replacement to restore proper operation.
Key Features
- OEM Material Integrity — Manufactured to the same compound and wall-thickness spec as the original, resisting the heat cycling and fuel or fluid exposure typical in indirect-fired heater operation.
- Direct-Fit Replacement — Engineered to the exact length and end configuration of the factory hose, connecting to existing fittings without cutting, splicing, or adapter hardware.
- Verified Fitment for HI 400HD G — Confirmed for the HI 400HD G Indirect Air Heater (model HI400HD G_5000620701), so you can order with confidence.
- Leak-Free Fluid Transfer — A sound hose maintains consistent flow through the heater system; a cracked or softened hose can cause fuel or fluid loss, inconsistent heat output, or a safety hazard in a combustion environment.
- Fuel System Safety Compliance — On indirect-fired heaters, hose integrity is a critical safety consideration; using a genuine OEM hose ensures the correct pressure rating and material compatibility for the application.
On an indirect-fired air heater like the HI 400HD G, hoses carry fuel, coolant, or other fluids between the burner, heat exchanger, and associated components. A properly functioning hose maintains consistent fluid delivery, which is essential for stable combustion and reliable heat output. When a hose deteriorates — through cracking, hardening, or pinhole leaks — it can disrupt fuel flow, reduce heating efficiency, or create a potential fire risk, making timely replacement critical to safe operation.
Part Details
| Part Number | 5000186689 |
|---|---|
| Old Part Number | 0186689 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Hose |
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.