The Wacker Neuson Rear Duct Bottom Insulator is a genuine OEM component designed for the G25 series portable generators, including skid-mounted, mobile, and cold weather configurations. Sourced directly from Wacker Neuson, this part matches the original specification for a straight, hassle-free installation. The is the correct replacement for G25 units that have suffered insulator wear, heat damage, or deterioration in the rear duct assembly. Confirming your model number against the G25 fitment list before ordering ensures you receive the right part the first time.
Key Features
- Genuine OEM Thermal Material: — Manufactured to Wacker Neuson's original material grade, delivering the same heat-resistance and compression characteristics as the factory-installed insulator.
- Direct-Fit Installation: — Engineered to the exact profile of the G25 rear duct assembly, so the insulator seats and secures the same way the original did — no trimming or adaptation needed.
- Confirmed G25 Compatibility: — Verified fitment across G25 skid-mounted, mobile, and cold weather generator variants, covering multiple machine configurations within the G25 family.
- Maintains Exhaust Duct Integrity: — A correctly fitted bottom insulator keeps heat contained within the duct path, protecting surrounding components and maintaining generator efficiency. A degraded insulator allows heat migration that can accelerate wear on adjacent parts.
- Fuel System and Heat Management Safety: — Proper insulation in the rear duct zone reduces the risk of unintended heat exposure to fuel lines and wiring routed near the duct — making insulator condition a genuine safety consideration during service.
The rear duct bottom insulator is a heat-management component located within the generator's air exhaust duct system. Its role is to line the bottom of the rear duct, containing and directing heat away from the machine's internal components and chassis. When the insulator degrades — through prolonged heat cycling, compression, or physical damage — it loses its ability to isolate heat effectively, which can cause elevated temperatures in areas not designed to handle them and lead to premature wear or failure of nearby parts. Replacing a worn insulator as part of routine generator maintenance keeps the exhaust system performing as intended.
Part Details
| Part Number | 5000152865 |
|---|---|
| Old Part Number | 0152865 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Rear Duct Bottom Insulator |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Skid-mounted Mobile Generator | G25 | 5000009258, 5000009462, 5000009476 |
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.
