The Wacker Neuson Door Duct Insulator is a genuine OEM component designed for the G230, G240, and G320 series mobile generators. As a direct factory replacement, this insulator maintains the thermal and acoustic integrity of the generator enclosure's door duct assembly, ensuring the machine continues to perform as designed. Sourced directly from Wacker Neuson, part matches the original in material grade, geometry, and fit across all covered configurations — including Standard, Cold Weather, and Custom variants.
Key Features
- Genuine OEM Material Match — Manufactured to the same thermal and acoustic insulation specifications as the original factory part, so the door duct assembly performs exactly as engineered.
- Drop-In Enclosure Fit — Designed to seat correctly within the door duct opening without trimming or reworking, maintaining proper airflow channeling and enclosure seal.
- Broad G-Series Compatibility — Fits a wide range of G230, G240, and G320 mobile generator configurations, including Standard, Cold Weather, Custom, and Transport Canada variants across multiple Tier 4 emission levels.
- Enclosure Thermal Protection — A correctly fitted door duct insulator prevents heat transfer and condensation buildup inside the enclosure, protecting internal components during extended generator operation.
- Acoustic Performance Maintained — Intact insulation keeps sound dampening at rated levels, important on worksites where generator noise output is a compliance or site management concern.
The door duct insulator lines the interior of the generator enclosure's ventilation duct opening, serving two roles: it limits heat transfer through the panel structure and reduces airborne noise radiating from inside the canopy. When this insulator deteriorates, cracks, or goes missing, the enclosure loses thermal buffering — raising surface temperatures on surrounding panels — and noise levels inside and outside the unit increase noticeably. Replacing a worn insulator restores the enclosure to its original thermal and acoustic performance and protects adjacent wiring and components from excess radiant heat.
Part Details
| Part Number | 5000174537 |
|---|---|
| Old Part Number | 0174537 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Door Duct Insulator |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| G240-GENERATOR, SKID, CUSTOM, DEERE T3 | G240 | 5000620663, 5200001323, 5200006904, 5000620662, 5000620300, 5000620661, 5200003162, 5000620301, 5000620302, 5200025556, 5100025834 |
| G230 Generator, Custom T4i | G230 | 5000620883, 5000620881, 5000620882, 5200007862, 5200010141, 5200010142, 5200010143, 5100015614, 5100045190, 5100045596, 5100045597, 5100049846, 5100049847 |
| G320 Generator, Standard T4i | G320 | 5000620275, 5200008718, 5200010219, 5200010260, 5200010144, 5200010145, 5200010146, 5100045191, 5100045601, 5100045602, 5200008717, 5100018533, 5100049848, 5100049849, 5200010261 |
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.
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