The Wacker Neuson Washer M6 External Internal SS is a genuine OEM component designed for a wide range of Wacker Neuson indirect fired air heaters, hydronic surface heaters, and ground heaters — including the HI750, HI900, HI1000, HI260, HSH350, HSH380S, E1100, E1250S, E1250P, and HIF600 series. Sourced directly from Wacker Neuson, this stainless steel washer meets the exact material and dimensional specifications of the original part. It installs as a direct replacement, requiring no modification to fit correctly in the assembly. Whether you're servicing a diesel-fired indirect heater on a job trailer or maintaining a hydronic ground heater, part keeps the hardware stack correct and secure.
Key Features
- Stainless Steel Construction: — Manufactured in stainless steel for corrosion resistance in the demanding environments typical of heating equipment, where moisture, condensation, and temperature cycling can degrade standard hardware.
- Dual-Function Design: — Provides both external and internal bearing surfaces in a single washer, maintaining correct load distribution and hardware alignment at the fastening point.
- Genuine OEM Part: — Supplied by Wacker Neuson as an original equipment component, matching the exact grade, finish, and dimensions specified for these heater assemblies.
- Direct-Fit Replacement: — Engineered to drop into the existing M6 fastener position without reworking surrounding hardware or mating components.
- Broad Heater Series Coverage: — A single part number covers the HI750, HI900, HI1000, HI260, HSH350, HSH380S, E1100, E1250S, E1250P, and HIF600 series, making it a practical stocking item for fleets running multiple Wacker Neuson heater models.
A washer like the Wacker Neuson 5000189214 serves as a critical load-spreading component at bolted connections throughout the heater assembly. By distributing clamping force across a wider surface area, it protects mating components from deformation and prevents fasteners from loosening under vibration, thermal expansion, and contraction cycles. When a washer is missing, worn, or the wrong spec, fasteners can work loose over time — leading to structural gaps, vibration damage, or fluid and air leaks at sealed joints that compromise heater output and safe operation.
Part Details
| Part Number | 5000189214 |
|---|---|
| Old Part Number | 0189214 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Washer M6 External Internal SS |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Hydronic Surface Heater | HSH350 | 5000620254, 5200001677 |
| E5000 Ground Heater, 12kw Gen, Diesel | E5000 | 5000620899 |
| HI260 HEATER,OIL WITH TANK | HI260 | 5200018503, 5200018504 |
| E1250S | E1250S | 5200012355, 5200012354 |
| E1100 GROUND HEATER | E1100 | 5000620172, 5200001676 |
| HI750 DGM HEATER-INDIRECT | HI750GM | 5000620859, 5000620930 |
| Mobile Indirect Fired Air Heat er, Diesel | HI750D | 5000620856, 5000620923, 5000620924 |
| HI 750GM HD-Mobile Indirect Ai r Heater-Surge, -40 | HI750GMHD | 5000620969 |
| HI750G HEATER-INDIRECT | HI750G | 5000620857, 5000620928, 5000620929 |
| HSH380s | HSH 380S | 5100054643 |
| Factory-Installed Options | Factory-Installed Options | 5200004152 |
| E 1250P Hydronic Heater, Premium, Diesel | E1250P | 5200012357, 5200012356 |
| HSH380S-Diesel, with Generator | HSH380S | 5200012371, 5200012370 |
| HI1000 Indirect Air Heater, Diesel w/Tank | HI1000 | 5200011232, 5200011233, 5200011231, 5100049274, 5100049273 |
| HI1000 Indirect Air Heater, DGM, Electric Break | HI1000DGM | 5200011234, 5200011235, 5100049275, 5100049276 |
| HIF 600 Flameless Air Heater | HIF600 | 5200017593 |
| HI900 Heater-DGM,Srg,-40 | HI900DGM | 5200014221, 5200014222, 5200014165, 5200014166 |
| HI 900D Heater-Indirect | HI900D | 5200014158, 5200014159, 5200014160 |
| Skid Indirect Air Heaters Natu ral Gas | HI900G | 5200014161 |
| HI 900G Heater-Indirect,3x16 | HI900 G | 5200014163, 5200014164 |
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.