The Wacker Neuson 5100021123 is a genuine OEM Front Roof Panel designed for the G70, G100, G120, G130, and G150 series portable generators. As a direct OEM replacement, this panel is manufactured to the same specifications as the original component that shipped with your machine, ensuring a correct fit across Standard, Cold Weather, Custom, and URI configuration variants within the G-series lineup. Coverage spans Tier 4 Final and Tier 4i engine-emissions configurations, making this a single, confident choice for operators running any of these generator families. Confirm your model number against the fitment list before ordering to ensure compatibility with your specific machine configuration.
Key Features
- Genuine OEM Construction: — Fabricated to original Wacker Neuson tolerances and material specifications, so panel alignment, fastener hole placement, and surface finish match the factory enclosure exactly.
- Broad G-Series Coverage: — Fits G70, G100, G120, G130, and G150 generator models across Standard, Cold Weather, Custom, and URI variants in both T4F and T4i emissions tiers.
- Direct Drop-In Replacement: — Designed to mount using the existing hardware and attachment points on the generator enclosure, with no additional modification to the frame or surrounding panels required.
- Enclosure Integrity Restored: — A damaged or missing roof panel exposes the generator's internal components to moisture, debris, and UV degradation; replacing it promptly protects the alternator, engine, and electrical systems housed inside.
- Weather and Configuration Variants Covered: — Single part number spans multiple build configurations, simplifying the ordering process when managing a mixed fleet of G-series generators on site.
The front roof panel forms part of the protective enclosure that surrounds a portable generator's engine and alternator assembly. Its primary role is to shield internal components from rain, dust, debris, and physical damage during transport and operation. When the panel is cracked, missing, or improperly secured, moisture and contaminants can reach sensitive electrical connections and engine components, increasing the risk of corrosion, faults, and accelerated wear. Replacing a compromised panel restores the enclosure to its intended protective function and keeps the generator operating in the conditions it was designed to handle.
Part Details
| Part Number | 5100021123 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Front Roof Panel |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| G100 Generator, Custom T4i | G100 | 5200003859, 5200003857, 5200003858, 5100045086, 5100045498, 5100045554, 5100045553, 5100033310, 5100045555, 5100045499, 5100033311, 5100049836, 5100049835, 5100033312 |
| G120 Generator,Custom T4i | G120 | 5200003856, 5200003855, 5200003854 |
| G150 Generator, Standard T4i | G150 | 5200023235, 5200023236, 5200023237, 5100045088, 5100045570, 5100045571, 5100049841, 5100049842 |
| G130 Generator, Cold Weather T4 | G130 | 5200023233, 5200023232, 5200023234, 5100045560, 5100045559, 5100045087, 5100045565, 5100045564, 5100045566, 5100049839, 5100049838 |
| G70 Generator, Cold Weather T4F | G70 | 5200023227, 5200023226, 5200023228, 5100042498, 5100042496, 5100042500, 5100042497 |
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.
