The Wacker Neuson Fitting is a genuine OEM component designed for the HI 400HD G Indirect Air Heater. Sourced directly from Wacker Neuson, this fitting delivers the exact material grade, thread spec, and dimensional tolerances required by the original design. Genuine OEM designation means this part matches the production specification used on the HI 400HD G, so you can install it with confidence knowing it will seat and seal as intended.
Key Features
- Genuine OEM Construction: — Manufactured to the same dimensional and material standards as the original, ensuring correct thread engagement and leak-free connection in the heater's fluid or fuel circuit.
- Direct-Fit Replacement: — Matches the original port size and thread pattern on the HI 400HD G, allowing a straightforward swap without rework or adaptation.
- Confirmed Fitment: — Verified for the HI 400HD G Indirect Air Heater series, so you can order against your machine's model with confidence.
- Leak-Free Circuit Integrity: — A properly seated fitting maintains system pressure in the heater's fuel or fluid lines; a failed or cross-threaded fitting can cause leaks that disrupt heat output or create hazardous conditions.
- Fuel and Fluid System Safety: — As a connection point in an indirect-fired heater, a correct-specification fitting is critical to maintaining sealed, pressure-rated plumbing and safe heater operation.
A fitting is a threaded or press-fit connector used to join sections of tubing, hose, or pipe within a machine's fuel, fluid, or air circuit. On the HI 400HD G Indirect Air Heater, fittings maintain sealed pathways that carry fuel or heated fluid under pressure, keeping the system operating at the correct flow rate and pressure. When a fitting cracks, strips, or corrodes, it can cause fluid leaks, pressure loss, and unsafe operating conditions — making timely replacement essential.
Part Details
| Part Number | 5000186691 |
|---|---|
| Old Part Number | 0186691 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Fitting |
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.
