The Wacker Neuson Plug is a genuine OEM component designed for the G40, G50, G60, and G70 series portable generators. As a factory-sourced part, it meets the exact specifications set during original manufacturing, ensuring a correct, consistent fit across the wide range of G-series generator configurations it serves. This includes standard, mobile, and premium variants across multiple regional configurations within the G40, G50, G60, and G70 families. When it's time to service or restore your generator, using the correct OEM plug helps maintain proper sealing, electrical integrity, or flow control — depending on its installed position — so your equipment returns to full working condition without guesswork.
Key Features
- Genuine OEM Part: — Sourced directly from Wacker Neuson, this plug matches the original material grade, thread spec, and dimensional tolerances used in production assembly.
- Broad G-Series Compatibility: — Fits G40, G50, G60, and G70 generator models across standard, mobile, and premium configurations, including 50Hz LATAM and Brazil-market variants.
- Direct Drop-In Replacement: — Engineered to seat and seal exactly as the original, with no reworking of ports or mating surfaces required during installation.
- Protects Generator Performance: — A correctly fitted plug maintains system integrity — whether sealing an oil gallery, fuel port, or electrical access point — keeping the generator running at full rated output.
- Verified Part Number: — Part number 5200021256 is confirmed against Wacker Neuson's official parts documentation for all listed G-series models and configurations.
A plug in a portable generator serves as a sealing or access component — closing off a port, passage, or opening in the engine block, housing, or electrical system to prevent leaks, contamination, or unintended exposure. Depending on its installed location, it may seal an oil drain, fuel circuit, or inspection access point. When a plug becomes damaged, corroded, or stripped, it can allow fluid leaks or debris ingress that leads to broader mechanical damage. Replacing it promptly with the correct OEM part restores the generator's sealed system and keeps it operating as designed.
Part Details
| Part Number | 5200021256 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Plug |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Mobile Generator | G60 | 5200015951, 5200016641, 5100029185 |
| G70 | G70 | 5200015952, 5100022041, 5100022040 |
| Generator | G40 | 5200015906, 5200016640, 5100029184, 5200015907 |
| Generator | G50 | 5200015909, 5100022009, 5100022008 |
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.
