The Wacker Neuson Pump is a genuine OEM component designed for the G40, G50, G95, and G110 portable generator series. As a direct factory replacement, this pump is built to the same specifications as the original unit installed at the factory, ensuring correct fit and function across the full range of compatible Wacker Neuson generator models. Fitment covers a broad lineup including G40, G50, G95, and G110 generators, including mobile, standard, and premium configurations. Keep your generator running at full capacity with the correct Wacker Neuson OEM part.
Key Features
- Genuine OEM Fluid Transfer Integrity — Manufactured to exact OEM flow and pressure tolerances, ensuring the pump moves fuel or coolant at the correct rate for your generator's design demands.
- Drop-In Replacement Fit — Matches the original mounting points and port connections on compatible Wacker Neuson generators, allowing straightforward installation without modification.
- Broad Generator Series Compatibility — Fits G40, G50, G95, and G110 generator models across mobile, standard, and premium configurations, covering a wide range of Wacker Neuson portable power equipment.
- Sustained Generator Output — A correctly functioning pump maintains proper fluid circulation, which is critical to keeping the generator's engine at operating temperature and delivering consistent power output.
- Genuine Wacker Neuson Part — Sourced directly from Wacker Neuson, this pump carries the same part number — 5200021166 — referenced in official service documentation for these generator families.
The pump in a portable generator is responsible for circulating fluid — whether fuel or coolant — through the engine system at the correct pressure and flow rate. Without proper pump function, the engine may overheat, run lean, or fail to start, leading to loss of power output on the jobsite. A worn or failing pump typically presents as erratic engine temperature, reduced performance, or fluid starvation, making timely replacement essential to keeping the generator operational.
Part Details
| Part Number | 5200021166 |
|---|---|
| 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 |
| 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.
