The Wacker Neuson Rear Top Insulator is a genuine OEM component designed for the G25 series mobile generators, covering custom, skid-mounted, cold weather, and Extended Run Tank (ERT) configurations. Sourced directly from Wacker Neuson, this insulator is manufactured to the same standards as the original unit installed at the factory. It is a direct-fit replacement for all G25 variants listed under this part number, giving you confidence that it will seat and secure correctly without guesswork. If your G25 generator is showing signs of vibration transfer, heat exposure damage, or physical deterioration at the rear mounting point, part number is the correct OEM solution.
Key Features
- OEM-Grade Insulation Material — Manufactured to Wacker Neuson's original material specification, ensuring the correct compression rating and thermal resistance for the rear mounting position.
- Drop-In Replacement — Matches the original mounting geometry at the rear top position, allowing straightforward installation without machining or modification.
- Broad G25 Series Coverage — Compatible across multiple G25 configurations including custom, skid-mounted, cold weather, and ERT variants.
- Vibration and Heat Isolation — A correctly functioning rear top insulator absorbs mechanical vibration and limits heat transfer between the engine assembly and the generator frame, protecting surrounding components from premature wear.
- Genuine OEM Part — Carries full Wacker Neuson OEM part traceability, so you know exactly what you are installing into your equipment.
The rear top insulator sits between the engine or generator assembly and the machine frame at the rear upper mounting point. Its primary role is to absorb engine vibration and dampen shock loads that would otherwise transfer directly into the generator's structural frame and surrounding components. It also provides a degree of thermal separation, reducing heat migration from the engine to adjacent parts. When this insulator deteriorates — through compression set, cracking, or heat degradation — vibration levels in the frame increase, fasteners can loosen prematurely, and wear on nearby components accelerates. Replacing a worn insulator promptly with the correct part restores the isolation characteristics the machine was designed to operate with.
Part Details
| Part Number | 5000164223 |
|---|---|
| Old Part Number | 0164223 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Rear Top Insulator |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Mobile Generator, Custom | G25 | 5000620346, 5000620344, 5000620345, 5000009466, 5000620004, 5000009368, 5000620706, 5000620931 |
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.