The Wacker Neuson Corner Fuel Fill Insulator is a genuine OEM component designed for G25 and G20 series mobile generators. As a direct factory replacement, this insulator seats precisely within the fuel fill corner assembly, maintaining a secure, vibration-resistant interface between the fuel fill opening and the generator enclosure. This part fits an extensive range of G25 configurations — including Standard, Cold Weather, Custom, Extended Run, Battlefield, and 600V switchable Tier 4 variants — as well as select G20 mobile generator models. Sourcing part number direct ensures you receive the exact component specified for your machine, with no guesswork on fitment.
Key Features
- Genuine OEM Isolation Material — Manufactured to Wacker Neuson's original material specification, delivering the correct compression and vibration-damping properties needed to protect the fuel fill interface on G25 and G20 generators.
- Drop-In Corner Fit — Engineered to align directly with the existing fuel fill corner mounting points, allowing straightforward installation without reworking surrounding enclosure panels.
- Broad G25 and G20 Compatibility — Confirmed fitment across Standard, Cold Weather, Custom, Extended Run, Battlefield, URI HVAC, and 600V switchable Tier 4i and Tier 4 Final G25 configurations, plus G20 mobile generator variants.
- Enclosure Integrity Protection — A correctly fitted corner insulator prevents fuel fill movement and abrasion against the generator housing, protecting both the fill assembly and enclosure from wear-related damage during transport and operation.
- Fuel System Safety — Proper seating of this insulator helps maintain alignment of the fuel fill opening, reducing the risk of misaligned refueling and potential fuel spillage during field operation.
The Corner Fuel Fill Insulator is a structural isolation component positioned at the corner junction where the fuel fill assembly meets the generator enclosure. Its role is to cushion and stabilize the fill point against vibration, movement, and contact stress that occur during generator operation and transportation. When this insulator deteriorates or goes missing, the fuel fill assembly can shift, creating gaps in the enclosure seal, accelerating wear on surrounding panels, and increasing the risk of fuel fill misalignment during refueling.
Part Details
| Part Number | 5000164225 |
|---|---|
| Old Part Number | 0164225 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Corner Fuel Fill Insulator |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Mobile Generator, Custom | G25 | 5000620346, 5000620344, 5000620345, 5000620642, 5000009466, 5000620004, 5000620640, 5000620709, 5000620641, 5000009368, 5200005557, 5200003991, 5000620931, 5200001316, 5200009372, 5200009376, 5200009370, 5200009371, 5200009373, 5200009377, 5200014461, 5200009375, 5200009374, 5200014460, 5200014462, 5000621005, 5100041584, 5200022587, 5100045084, 5100041580, 5100041592, 5000620706, 5100017591, 5100022834, 5100041581, 5100041582, 5100041583, 5100045541, 5100045542, 5100050326, 5100042507, 5100042510, 5100042512, 5100042509, 5100025836, 5100042508 |
| Mobile Generator | G20 | 5200016628, 5200022625 |
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.