The Wacker Neuson Switch Mount Washer is a genuine OEM component designed for G25, G50, and G70 series portable generators. Sourced directly through Wacker Neuson's authorized parts program, this washer delivers the exact material grade, thickness, and dimensional tolerance specified for the original assembly. It is confirmed to fit a wide range of G25 and G70 configurations including Standard, Cold Weather, Extended Run, Custom, Battlefield, URI HVAC, and HERTZ variants, as well as G50 Mobile Generator models. When you need a straight factory replacement with no guesswork on fitment, the is the correct part.
Key Features
- Genuine OEM Material Specification — Manufactured to Wacker Neuson's exact hardness and dimensional tolerances for a switch mount application, ensuring correct clamping load and surface contact without deformation over time.
- Direct Drop-In Replacement — Matches the original fastener stack-up at the switch mount location, installing exactly as the factory-fitted washer without any modification to hardware or mounting surfaces.
- Broad G-Series Generator Coverage — Fits G25, G50, and G70 generator models across multiple configuration variants, including T4F, T4i, Cold Weather, Extended Run, Custom, Battlefield, URI HVAC, and HERTZ editions.
- Protects Switch Mount Integrity — A correctly fitted washer distributes fastener load evenly across the mounting surface, preventing panel distortion, fastener pull-through, and loose or intermittent switch behavior.
- Electrical Safety Relevance — At a control switch mounting point, an undersized or worn washer can allow movement or misalignment of the switch assembly; using the correct OEM washer maintains the secure, stable mounting that electrical components require.
A switch mount washer serves as a load-distributing interface between the fastener and the panel or bracket surface where a control switch is secured. Its role is to spread clamping force evenly so the switch stays firmly seated without cracking, deforming, or shifting the mounting surface. When this washer is missing, worn, or substituted with an incorrect size, the switch can loosen over time, leading to intermittent operation, control panel damage, or unreliable generator output management.
Part Details
| Part Number | 394132020 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Switch Mount Washer |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Mobile Generator | G50 | 5200001317 |
| Mobile Generator | G70 | 5200001318, 5200003220, 5200003975, 5200003973, 5200003974, 5200004151, 5200008344, 5200008343, 5200008719, 5100025262 |
| G25 Generator, Custom T4F | G25 | 5200009372, 5200009376, 5200009370, 5200009371, 5200009373, 5200009377, 5200009375, 5200009374, 5200022587, 5100017591 |
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.
