The Wacker Neuson 12251-ZF1-800 Cover Complete is a genuine OEM component designed for the G-series portable generator lineup, spanning the G25 through G230 models. As a direct factory-sourced replacement, this part is manufactured to the same specifications as the original, ensuring it fits and functions exactly as intended across a wide range of Wacker Neuson mobile generator configurations. Compatibility extends across standard, cold weather, custom, Hertz, Tier 3, Tier 4i, and Tier 4 Final variants — making 12251-ZF1-800 one of the most broadly applicable cover assemblies in the G-series parts catalog.
Key Features
- Genuine OEM Construction — Manufactured to original Wacker Neuson specifications, ensuring correct panel geometry, fastener alignment, and material grade for a protective enclosure cover.
- Direct-Fit Replacement — Mounts using the original hardware points and attachment locations, so installation matches the factory assembly process without reworking surrounding panels.
- Broad G-Series Compatibility — Fits G25, G50, G70, G100, G120, G150, G180, and G230 mobile generator models across multiple build configurations, including skid-base, cold weather, and 600V custom units.
- Enclosure Integrity Protection — A correctly fitted cover keeps internal generator components shielded from moisture, debris, and mechanical contact — critical for sustained output performance in outdoor and construction environments.
- Multi-Tier Emission Variant Coverage — Verified for use across Tier 3, Tier 4i, Tier 4 Final, and non-Tier configurations, covering a broad service population with a single part number.
The cover complete on a portable generator forms part of the outer enclosure that protects internal engine and alternator components from environmental exposure and physical damage. A properly secured cover helps maintain the generator's operating environment, preventing moisture ingress and debris accumulation that can accelerate wear on electrical and mechanical systems. When a cover is cracked, missing, or improperly seated, it can compromise both the protection of internal components and the structural integrity of the generator's housing — making timely replacement essential for units operating on active job sites.
Part Details
| Part Number | 12251-ZF1-800 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Cover Complete |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| G70-GENERATOR, SKID, CUSTOM, DEERE T3 | G70 | 5000620648, 5200001318, 5200006879, 5200003975, 5200014464, 5200008343, 5200008341, 5200008719, 5100025814, 5100025838 |
| G100-GENERATOR, SKID, CUSTOM, DEERE T3 | G100 | 5000620651, 5200001319, 5200006900, 5200003859, 5200008348, 5200008347, 5100025816, 5100026958, 5100029211 |
| G120-GENERATOR, SKID, CUSTOM, DEERE T3 | G120 | 5000620654, 5200001320, 5200006901, 5200003856, 5200014467, 5200008353, 5200008351, 5100025818, 5100025840 |
| G50-GENERATOR, SKID BASE, CUSTOM T4i | G50 | 5200001062, 5200006878, 5200001317, 5200014322, 5100045494, 5100042432, 5100025812, 5100029210, 5100026955 |
| Mobile Generator | G150 | 5200001321, 5000620889, 5200007860, 5200014784, 5200010137, 5200025554 |
| Mobile Generator | G180 | 5200001322, 5200006903, 5000620886, 5200007861, 5200010140, 5200010139, 5100015615, 5200025555, 5100045575, 5100045591, 5100049844, 5100045576, 5100045592 |
| G230 Generator, Custom T4i | G230 | 5000620883, 5200007862, 5200010142, 5200010143, 5100015614, 5100045596, 5100049846, 5100045597 |
| G25 Generator, URI HVAC T4F | G25 | 5100041584, 5200022587 |
| G150 Generator,Hertz,T4 Final | G150 Generator,Hertz,T4 Final | 5100015616 |
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.