The Wacker Neuson M6 Flat SS Fender Washer is a genuine OEM component designed for the HI260, HI750, HI900, HI1000, HIF600, HIF690, E1250, and HSH380 series indirect-fired and hydronic heaters. As a direct OEM replacement, this washer is manufactured to the exact material and dimensional standards Wacker Neuson specifies for these units, ensuring a straight swap with no guesswork on sizing. Stainless steel construction gives it the corrosion resistance needed in the demanding, moisture-prone environments these heaters regularly operate in. Confirm your model number against the fitment list before ordering to keep your heater running at its best.
Key Features
- Stainless Steel Corrosion Resistance — Grade stainless steel construction stands up to the wet, chemically aggressive conditions common around portable heating equipment.
- OEM-Correct M6 Sizing — Matched to the exact M6 thread specification used in Wacker Neuson heater assemblies, so the washer seats flush and torques down correctly every time.
- Genuine Wacker Neuson Part — Sourced directly from Wacker Neuson as part number 5000192389, meeting the same material and dimensional tolerances as the washer installed at the factory.
- Broad Heater Series Coverage — Compatible across HI750, HI900, HI1000, HI260, HIF600, HIF690, E1250, and HSH380 model families, covering both trailer-mounted and skid-mounted configurations.
- Fender Profile Distributes Clamping Load — The oversized fender washer diameter spreads fastener load across a wider surface area, protecting panel and bracket materials from distortion or pull-through over time.
A fender washer serves a straightforward but important role: it distributes the clamping force of a bolt or screw across a larger surface area than a standard washer, preventing the fastener head from pulling through softer or thinner base materials. In portable heating equipment like Wacker Neuson's indirect-fired and hydronic heater lineup, fasteners are subject to vibration from transport and thermal cycling from regular operation — both of which can cause undersized or worn washers to allow fastener loosening or panel damage over time. Replacing a missing or corroded washer with the correct M6 stainless steel fender washer restores the proper clamping geometry and keeps the assembly secure through repeated heat-up and cool-down cycles.
Part Details
| Part Number | 5000192389 |
|---|---|
| Old Part Number | 0192389 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | M6 Flat SS Fender Washer |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI260 HEATER,OIL WITH TANK | HI260 | 5200018503, 5200018504 |
| E1250S | E1250S | 5200012355, 5200012354 |
| E12540B | E1250B | 5200012353, 5200007613 |
| 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 |
| HSH380B-Diesel, without generator | HSH380B | 5200012359, 5200007614 |
| HIF 600 Flameless Air Heater | HIF600 | 5200017593 |
| HI900 Heater-DGM,Srg,-40 | HI900DGM | 5200014221, 5200014222, 5200014165, 5200014166 |
| HIF690 | HIF690 | 5100047562 |
| 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.