The Wacker Neuson Oil Fill Tube is a genuine OEM component designed for the G40, G50, G60, and G70 series portable generators. As a factory-sourced part, it matches the exact dimensions and material specification of the original, ensuring a correct, leak-free installation every time. This tube fits across multiple generator configurations in the G-series lineup, including mobile and standard variants. Keeping the oil fill tube in good condition is essential to proper engine lubrication maintenance and long-term generator reliability.
Key Features
- Genuine OEM Construction — Manufactured to Wacker Neuson's original material and dimensional spec, so the tube seats and seals exactly as the factory intended — no improvising with ill-fitting alternatives.
- Direct-Fit Replacement — Engineered to drop into the same mounting position as the original, making the swap straightforward with standard tools.
- Broad G-Series Compatibility — Confirmed fitment across G40, G50, G60, and G70 generator models, covering both standard and mobile configurations in the Wacker Neuson portable power lineup.
- Maintains Clean Oil Servicing — A correctly fitted oil fill tube channels oil directly into the engine without spillage or contamination, supporting consistent and accurate oil service intervals.
- Fuel and Fluid System Integrity — A cracked or missing fill tube can introduce contaminants into the engine oil, accelerating wear — replacing it promptly protects the engine from avoidable damage.
The oil fill tube provides the dedicated entry point for adding engine oil to the generator's crankcase. It routes oil cleanly past surrounding components and typically incorporates a cap or seal to keep debris and moisture out of the oil system between service intervals. When the tube cracks, loosens, or goes missing, oil can spill onto hot engine surfaces or allow contaminants into the crankcase — both of which can lead to accelerated engine wear or potential fire risk. Replacing a damaged tube with the correct OEM part, such as the Wacker Neuson 5200021187, restores proper service access and protects the engine between oil changes.
Part Details
| Part Number | 5200021187 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Oil Fill Tube |
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.
