The Wacker Neuson Pump is a genuine OEM component designed for the G40, G50, G95, and G110 portable generator series. As a direct OEM replacement, this pump is sourced and specified by Wacker Neuson to meet the exact requirements of these generator models, including mobile and stationary configurations across standard and premium variants. Confirmed fitment spans the G40, G50, G95, and G110 generator families, covering a wide range of jobsite power applications. When your generator's pump fails, restoring it with the correct OEM part ensures the machine returns to proper operating condition without guesswork.
Key Features
- OEM-Specified Fluid Transfer: — Built to Wacker Neuson's exact flow and pressure specifications for the G-series generator line, ensuring the pump moves fluid at the rate the engine management system expects.
- Drop-In Replacement: — Engineered to the same mounting dimensions and port configuration as the original, allowing direct installation without adapters or rework.
- Broad G-Series Compatibility: — Fits G40, G50, G95, and G110 generator models across standard, mobile, premium, and regional variants including LATAM and Brazil-market units.
- Protects Engine Longevity: — A correctly functioning pump maintains steady fluid circulation through the engine; a worn or failed pump risks overheating, lubrication loss, and accelerated internal wear.
- Fuel System Integrity: — As a genuine OEM fuel or coolant pump, this part maintains the pressure and delivery consistency required for safe, stable generator output — critical when the machine is powering sensitive site equipment.
The pump in a portable generator is responsible for moving fuel or coolant through the engine system at the correct pressure and volume to support reliable operation. Without proper pump function, the engine may run lean, overheat, or fail to start — disrupting power delivery on site. Replacing a degraded pump with a genuine OEM part restores the flow characteristics the engine was designed to operate with, preventing secondary damage caused by starvation or thermal stress.
Part Details
| Part Number | 5200021167 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Pump |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Mobile Generator | G95 | 5200020677, 5100029186, 5200016642 |
| Generator | G40 | 5200015906, 5200015907, 5200016640, 5100029184 |
| Generator | G50 | 5200015909 |
| G110 Generator, Brazil, Value | G110 | 5100022042, 5100022043 |
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.
