The Wacker Neuson Oil Pump is a genuine OEM component designed for G40 and G50 series portable generators. As a direct factory replacement, this oil pump is sourced and validated by Wacker Neuson to meet the exact specifications of the original part. It is confirmed to fit multiple G40 and G50 generator configurations, including mobile and LATAM Premium variants. When your generator's lubrication system needs attention, installing the correct OEM pump ensures the engine continues operating within its intended parameters.
Key Features
- Genuine OEM Lubrication Spec: — Manufactured to the exact flow rate and pressure tolerances required by the G40 and G50 generator engines, ensuring consistent oil delivery throughout the lubrication circuit.
- Direct Drop-In Replacement: — Engineered to match the original mounting points, port sizing, and drive interface, allowing straightforward installation without modification to the engine block or oil circuit.
- Broad G-Series Fitment: — Compatible with G40 and G50 generator models across standard, mobile, and LATAM Premium configurations, making this a versatile stock item for fleets running multiple G-series units.
- Engine Protection Restored: — A functioning oil pump maintains the pressure needed to lubricate bearings, journals, and moving engine components. A worn or failing pump leads to oil starvation, accelerated wear, and potential engine seizure.
- Critical Fuel and Power System Integrity: — Proper lubrication directly supports sustained generator output; low or lost oil pressure can trigger automatic shutdown circuits, interrupting power delivery on the jobsite.
The oil pump is responsible for drawing engine oil from the sump and circulating it under pressure to the engine's critical moving parts, including bearings and the crankshaft. Without adequate oil pressure, metal-to-metal contact accelerates wear and can cause catastrophic engine damage in a short period of time. When the pump begins to fail — through wear, cracking, or drive gear damage — oil pressure drops, warning indicators activate, and the engine may shut down automatically to prevent further damage. Replacing the pump promptly with a genuine OEM part like the Wacker Neuson 5200021192 restores full lubrication performance and protects the engine investment in your G40 or G50 generator.
Part Details
| Part Number | 5200021192 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Oil Pump |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Generator | G40 | 5200015906, 5200016640, 5100029184, 5200015907 |
| Generator | G50 | 5200015909 |
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.
