The Wacker Neuson Pump is a genuine OEM component designed for the G40 Generator series. Sourced directly from Wacker Neuson, this pump is manufactured to the exact tolerances and material specifications required for proper operation in the G40 platform. As a genuine OEM part, ensures a direct, hassle-free installation with no guesswork around compatibility. If your G40 Generator is showing signs of pump wear or failure, replacing it with the correct OEM part is the most straightforward path to restoring full operation.
Key Features
- OEM-Matched Flow and Pressure Specs — Built to the exact internal tolerances required for the G40's fluid circuit, ensuring correct output from day one.
- Drop-In Installation — Engineered to match the original mounting configuration and port connections of the G40 Generator, so the swap goes smoothly.
- Confirmed G40 Generator Fitment — Verified fit for the G40 50Hz LATAM Premium Generator series (Wacker Neuson model G40_5100029184).
- Sustained Generator Output — A correctly functioning pump keeps critical fluids moving through the system, supporting consistent generator performance under load.
- Genuine Wacker Neuson Part — Supplied as an authentic OEM component, meaning the materials, tolerances, and design match what came off the original assembly line.
A pump in a generator system is responsible for moving fluid — whether fuel, coolant, or oil — through the machine at the correct pressure and flow rate to keep internal components operating within safe parameters. When the pump begins to wear, flow rates drop, pressure becomes inconsistent, and the generator may overheat, run rough, or shut down under load. Replacing a failing pump promptly with the correct OEM part restores proper fluid delivery and protects the surrounding components from the secondary damage that low-flow conditions can cause.
Part Details
| Part Number | 5100019978 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Pump |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| G40 Generator 50Hz, LATAM, Premium | G40 | 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.