The Wacker Neuson Hose is a genuine OEM Hose designed for the HIF 690 Flameless Air Heater series. Sourced directly from Wacker Neuson, this is an exact factory replacement that slots in without guesswork — giving you confidence that the repair is done right the first time. Part number is confirmed to fit HIF 690 Flameless Heater units powered by the Kubota engine as well as the standard HIF 690 Flameless Air Heater configuration.
Key Features
- Genuine OEM Fluid Integrity — Manufactured to Wacker Neuson's exact material and pressure specifications, ensuring proper flow, seal compatibility, and resistance to the temperature demands of flameless heater operation.
- Direct Drop-In Replacement — Matches the original hose routing, end fittings, and dimensions of the factory-installed component, so installation is straightforward with standard tools.
- Broad HIF 690 Series Coverage — Confirmed fitment across both the standard HIF 690 Flameless Air Heater and the Kubota-engine HIF 690 Flameless Heater variant.
- Sustained Heat Delivery — A sound, properly routed hose keeps fuel or coolant flow consistent, allowing the heater to maintain its rated output. A cracked or leaking hose disrupts performance and can trigger shutdown.
- Fuel and Fluid System Safety — On flameless heater applications, hose integrity is directly tied to safe operation. Using a genuine OEM part ensures the correct wall thickness and material grade are in place to handle combustion-adjacent fluid routing.
On a flameless air heater, hoses carry fuel or heated fluid between system components — burner assemblies, heat exchangers, or fluid reservoirs — depending on the circuit they serve. A hose in good condition maintains consistent pressure and flow, which is essential for steady, controlled heat output. When a hose degrades, cracks, or develops a leak, it can starve the system of fuel or fluid, reduce heating efficiency, or create a hazardous condition that forces the unit offline.
Part Details
| Part Number | 5100028321 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Hose |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HIF 690 Flameless Air Heater | HIF690 | 5100017599, 5200021915 |
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.