The Wacker Neuson 5100021172 is a genuine OEM Rear Left Door designed for the G40, G50, G60, and G70 series portable generators. As a direct OEM replacement sourced through Wacker Neuson's authorized parts program, part 5100021172 is manufactured to match the original panel in fit, fastener pattern, and finish — no reworking or improvised fitment required. This door is confirmed compatible across an extensive range of G-series generator configurations, including Standard, Cold Weather, Extended Run, Custom, Mobile, and 600V switchable variants in Tier 3, Tier 4i, and Tier 4 Final emission ratings. Whether you're restoring a skid-mounted unit or a wheeled mobile generator, the 5100021172 is the correct OEM choice.
Key Features
- Genuine OEM Panel Construction — Manufactured to Wacker Neuson's original material and dimensional spec, ensuring the door aligns flush with adjacent panels and hardware without gaps or misalignment.
- Direct-Mount Replacement — Matches the original hinge points, latch positions, and fastener layout of the G-series enclosure, so installation follows the same sequence as the factory door.
- Broad G-Series Compatibility — Fits an extensive range of G40, G50, G60, and G70 generator configurations, including Standard, Cold Weather, Extended Run, Custom, Mobile, and 600V switchable variants across Tier 3, Tier 4i, and Tier 4 Final models.
- Enclosure Integrity Restored — A damaged or missing door compromises weather protection for internal electrical components; replacing it with the correct OEM panel restores the enclosure to its original protection rating.
- Electrical Safety Compliance — Generator enclosure doors are a required barrier between live electrical components and the environment; using the correct OEM door maintains the intended safety separation on an energized machine.
The rear left door is a structural panel of the generator's protective enclosure. It shields internal components — including the alternator, control systems, and wiring — from rain, debris, and physical contact during operation and transport. When the door is damaged, missing, or improperly latched, moisture and contaminants can reach sensitive electrical parts, increasing the risk of faults, corrosion, and unplanned outages. Replacing a worn or damaged door promptly keeps the enclosure sealed and the generator operating in the conditions it was designed for.
Part Details
| Part Number | 5100021172 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Rear Left Door |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| G70-GENERATOR, SKID, CUSTOM, DEERE T3 | G70 | 5000620648, 5000620647, 5000620711, 5000620646, 5200001318, 5200006879, 5200003975, 5200003973, 5200003974, 5200014464, 5200004151, 5200014463, 5200014465, 5200008343, 5200008342, 5200008339, 5200008341, 5200008340, 5200015952, 5100022041, 5100022040 |
| G50-GENERATOR, SKID BASE, CUSTOM T4i | G50 | 5200001062, 5200001063, 5200001061, 5200001060, 5200014322, 5200014319, 5200014323, 5200014320, 5100042435, 5100042430, 5000620710, 5100045494, 5100045085, 5100042431, 5100042433, 5000620965, 5100045493, 5000620964, 5000620966, 5100042432, 5200015909, 5100022009, 5100022008, 5100026954, 5100026956, 5100026955 |
| Mobile Generators | G60 | 5200016641, 5200015951, 5100029185 |
| Mobile Generators | G40 | 5200016640, 5200015906, 5200015907, 5100029184 |
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.
