The Wacker Neuson is a genuine OEM Rear Inlet Duct Insulator Ml designed for the G95, G100, and G120 series portable generators. As a direct OEM replacement, part is manufactured to the same specifications as the original component, ensuring a correct, trouble-free installation with no adaptation needed. This insulator fits an extensive range of G-series generator configurations, including standard, cold weather, custom, Tier 3, Tier 4i, and 50 Hz variants across multiple machine numbers. Keeping the inlet duct insulator in good condition is essential to maintaining proper airflow management and protecting surrounding components from heat-related wear.
Key Features
- Genuine OEM Thermal Protection: — Manufactured by Wacker Neuson to original material and heat-resistance specifications — not a generic substitute.
- Direct Drop-In Installation: — Matches the original mounting profile of the rear inlet duct, allowing straightforward replacement without reworking the duct assembly.
- Broad G-Series Compatibility: — Confirmed fitment across G95, G100, and G120 generator families, covering standard, cold weather, custom, Tier 3, Tier 4i, Hertz, and Transport Canada configurations.
- Protects Surrounding Components: — A sound inlet duct insulator limits heat transfer to adjacent wiring, hoses, and structural panels — a failed or missing insulator accelerates degradation of nearby parts.
- Verified OEM Part Number: — Ordering by part number 5000174559 confirms you are receiving the correct Wacker Neuson component for your specific generator variant.
The rear inlet duct insulator is a thermal barrier fitted around or within the air inlet duct at the rear of the generator enclosure. Its primary role is to reduce heat transfer between the engine bay and the inlet air path, helping maintain consistent intake air temperatures and protecting the duct structure and surrounding components from prolonged heat exposure. When the insulator deteriorates or is missing entirely, heat buildup in the inlet area can accelerate wear on nearby hoses, wiring harnesses, and duct fittings, and may affect the temperature of air entering the enclosure — ultimately impacting generator performance and service life.
Part Details
| Part Number | 5000174559 |
|---|---|
| Old Part Number | 0174559 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Rear Inlet Duct Insulator Ml |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| G100-GENERATOR, SKID, CUSTOM, DEERE T3 | G100 | 5000620651, 5000620650, 5200001319, 5000620649, 5200003158, 5200006900, 5200003859, 5200003857, 5200003858, 5200008716, 5000620312, 5000620313, 5000620314, 5200008348, 5200008346, 5200008347, 5200008345, 5100025816, 5100026957, 5100026958, 5100026959, 5100029211 |
| G120-GENERATOR, SKID, CUSTOM, DEERE T3 | G120 | 5000620654, 5000620653, 5200001320, 5000620652, 5200006901, 5200003159, 5200003856, 5200003854, 5200003855, 5200014467, 5200014468, 5200008715, 5000620311, 5200014466, 5000620309, 5000620310, 5200008353, 5200008350, 5200008351, 5200008349, 5100025818, 5100025840 |
| Mobile Generator | G95 | 5200016642, 5200020677, 5100029186 |
| Mobile Generator | G70 | 5200008344 |
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.