The Wacker Neuson Washer is a genuine OEM Washer designed for the HI-series indirect-fired air heaters, covering the HI 90, HI 90HD, HI 120, HI 120HD, HI 200D, HI 200HD D, HI 300HD D, HI 400HD G, and HI 400HD D models. As a direct Wacker Neuson OEM component, part is produced to the same specifications as the original hardware installed at the factory. Whether you are completing a scheduled service or replacing a worn fastener assembly, this washer delivers the exact fit the heater was engineered around. Cross-reference your model number before ordering to confirm this washer is the correct replacement for your unit.
Key Features
- Genuine OEM Hardware Integrity — Manufactured to Wacker Neuson's exact dimensional and material tolerances, ensuring correct load distribution and clamping force for the specific fastener joints on HI-series heaters.
- Drop-In Replacement — Matches the original washer's bore diameter, outer diameter, and thickness so it seats correctly without shimming or modification to the mating hardware.
- Broad HI-Series Compatibility — Fits a wide range of Wacker Neuson indirect-fired air heaters from the compact HI 90 and HI 120 up through the high-output HI 300HD D and HI 400HD D/G models.
- Protects Mating Surfaces — A correctly spec'd washer spreads clamping load evenly, preventing fastener pull-through or surface damage that can compromise enclosure sealing on climate equipment operating in harsh outdoor conditions.
- Supports Fuel System and Enclosure Integrity — On indirect-fired heaters, washers used in burner assemblies and enclosure panels are part of maintaining combustion containment; using the correct OEM part supports safe, compliant operation.
A washer serves as a load-distribution interface between a fastener — bolt, screw, or nut — and the surface it clamps. On equipment like the Wacker Neuson HI-series indirect-fired air heaters, washers appear throughout the burner assembly, fuel system brackets, enclosure panels, and mounting points, where consistent clamping force is critical for sealing and structural integrity. When a washer is undersized, deformed, or missing, the fastener can work loose under vibration and thermal cycling, leading to misaligned components, compromised enclosure seals, or fuel and exhaust pathway failures. Replacing a worn or damaged washer with the correct OEM part — Wacker Neuson 5000183898 — restores proper joint integrity and keeps the heater operating as intended.
Part Details
| Part Number | 5000183898 |
|---|---|
| Old Part Number | 0183898 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Washer |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI 400HD G Indirect Air Heater | HI400HD G | 5000620701 |
| HI 300HD D Indirect Air Heater, Diesel | HI300HDD | 5000620867 |
| HI 400HD D Indirect Air Heater | HI400HDD | 5000620868 |
| HI 300D, HEATER-INDIRECT, DIESEL, -20° | HI300D | 5000620866 |
| HI 200 D Indirect Air Heater | HI200D | 5000620865, 5200011877 |
| HI 200HD D Indirect Air Heater | HI200HDD | 5000620916, 5200011878 |
| HI 90 | HI90 | 5200019340 |
| HI 90HD | HI90HD | 5200019341 |
| HI 120 | HI120 | 5200019342 |
| HI 120HD | HI120HD | 5200019343 |
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.
