The Wacker Neuson 5100021144 is a genuine OEM Left Rear Door designed for the G150, G180, G230, and G240 series mobile generators. As a factory-original component, it is manufactured to the exact dimensions and specifications required for a proper fit across standard, cold weather, and custom enclosure configurations in these generator families. This part covers an extensive range of build variants — including Tier 3, Tier 4, and Tier 4 Final emissions configurations — making it the correct choice for operators maintaining any of these units in the field. Confirm your machine number against the fitment list to ensure this is the right door for your specific unit.
Key Features
- Factory-Original Panel Construction — Manufactured to OEM tolerances, ensuring the door aligns flush with the generator enclosure frame, seals correctly, and latches without modification.
- Broad G-Series Compatibility — Fits G150, G180, G230, and G240 mobile generators across standard, cold weather, custom, and Transport Canada configurations spanning Tier 3, Tier 4, and Tier 4 Final emissions builds.
- Direct-Fit Replacement — Matches the original mounting points, hinge locations, and panel geometry of the factory door, dropping into place without rework or adapter hardware.
- Enclosure Integrity Protection — A properly fitted rear door keeps weather, debris, and dust away from the generator's engine and electrical components, protecting sensitive systems in outdoor and job-site environments.
- Genuine OEM Assurance — Sourced directly from Wacker Neuson, this replacement carries the same part quality as the door installed at the factory — not a fabricated or generic panel substitute.
The left rear door is a structural panel on the generator's protective enclosure. It provides weather protection and access control for the rear-left section of the generator package, shielding internal engine and electrical components from rain, dust, and physical damage during transport and operation. A damaged, missing, or poorly fitting door can allow contaminants to enter the enclosure, accelerating wear on internal components and creating potential safety hazards around live electrical systems — making prompt, correct replacement essential.
Part Details
| Part Number | 5100021144 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Left Rear Door |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| G150-GENERATOR, SKID, CUSTOM, DEERE T3 | G150 | 5000620657, 5000620656, 5000620306, 5000620655, 5200003160, 5000620307, 5000620308, 5000620888, 5000620887, 5200010136, 5200010137, 5200010135, 5200006902, 5100026982, 5100026981, 5100026980 |
| G240-GENERATOR, SKID, CUSTOM, DEERE T3 | G240 | 5000620663, 5000620662, 5000620661, 5000620300, 5200003162, 5000620301, 5000620302, 5200006904 |
| G180-GENERATOR, SKID, CUSTOM, DEERE T3 | G180 | 5000620660, 5000620658, 5000620303, 5000620659, 5200003161, 5000620884, 5000620304, 5000620885, 5000620305, 5200014470, 5200010140, 5200010138, 5200014471, 5200010139, 5200014469, 5100045089, 5200006903, 5100045575, 5100045591, 5100045590, 5100045576, 5100049845, 5100045592, 5100049844 |
| G230 Generator, Standard T4i | G230 | 5000620881, 5000620882, 5200010141, 5200010143, 5200010142, 5100045596, 5100045190, 5100049846, 5100045597, 5100049847 |
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.
