The Wacker Neuson Washer is a genuine OEM component designed for the HI-series indirect air heaters and HDR-series direct fired radiant heaters. As a factory-sourced part, it is manufactured to the exact tolerances and material specifications Wacker Neuson requires for these machines, ensuring a drop-in replacement with no guesswork. Confirmed fitment spans the HI 110HD D, HI 200D, HI 200HD D, HI 300D, HI 300HD D, HDR 45, and HDR 155 models, covering a broad range of diesel indirect and direct-fired heating equipment. Ordering by part number guarantees you receive the correct washer for your specific heater.
Key Features
- OEM Material Specification — Manufactured to Wacker Neuson's exact hardness and dimensional tolerances, so load distribution and clamping performance match what the original assembly requires.
- Direct Drop-In Replacement — Matches the original bore, outer diameter, and thickness for straightforward installation without fitting or modification.
- Broad HI and HDR Series Fitment — Compatible with HI 110HD D, HI 200D, HI 200HD D, HI 300D, HI 300HD D, HDR 45, and HDR 155 heaters, covering multiple generations of Wacker Neuson heating equipment.
- Correct Load Distribution — Properly sized washers spread fastener load evenly across mating surfaces, preventing stress concentrations that can cause housing cracks or fastener pull-through over time.
- Genuine OEM Sourcing — Supplied through the Wacker Neuson parts chain, so the part number, packaging, and specification are verified against the current OEM bill of materials.
A washer serves as a bearing surface between a fastener and the component it secures, distributing the clamping load across a wider area to protect softer or thinner materials from damage. In heating equipment like the Wacker Neuson HI and HDR series, washers are used throughout the burner assembly, fuel system mounting points, and panel hardware, where vibration and thermal cycling can gradually loosen connections if the correct hardware is not in place. Using a worn, incorrect, or undersized washer can lead to fastener loosening, surface damage, or misalignment of critical components, so replacing it with the specified OEM part keeps the assembly performing as designed.
Part Details
| Part Number | 5200011787 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Washer |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI 300HD D Indirect Air Heater, Diesel | HI300HDD | 5000620867 |
| HI 110HD D Indirect Air Heater, Diesel | HI110HD D | 5000620864 |
| HI 300D, HEATER-INDIRECT, DIESEL, -20° | HI300D | 5000620866 |
| HI 110D, HEATER-INDIRECT, DIESEL, -20° | HI110D | 5000620915 |
| HI 200 D Indirect Air Heater | HI200D | 5000620865, 5200011877 |
| HI 200HD D Indirect Air Heater | HI200HDD | 5000620916, 5200011878 |
| HDR 155 Direct Fired Radiant Heater | HDR155 | 5200007530 |
| HDR 45 | HDR45 | 5200013800 |
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.
