The Wacker Neuson Oil Filter is a genuine OEM component designed for G40 and G50 series portable generators. As a factory-sourced part, it is manufactured to the same specifications as the original filter fitted at assembly, ensuring correct thread engagement, bypass valve calibration, and filtration efficiency for the engine oil circuit. This filter fits multiple G40 configurations — including standard, mobile, and LATAM Premium variants — as well as the G50 generator, making it a practical stock item for fleets running either model. Keep a spare on hand to stay current with scheduled oil service intervals and maintain full engine protection between jobs.
Key Features
- OEM Filtration Specification — Manufactured to the exact micron rating and bypass valve pressure of the original filter, ensuring consistent engine oil cleanliness across G40 and G50 generators.
- Direct Thread-On Replacement — Matches the original filter's thread pitch and sealing gasket profile for a straightforward spin-on installation with no adaptation needed.
- Broad G-Series Compatibility — Fits multiple G40 configurations (standard, mobile, and LATAM Premium 50Hz) and the G50, covering a wide range of Wacker Neuson portable generator variants under a single part number.
- Engine Protection at Every Service Interval — A correctly functioning oil filter removes metal particles and combustion byproducts from the lubrication circuit; a clogged or wrong-spec filter bypasses early and allows contaminated oil to circulate, accelerating wear on bearings and cylinder walls.
- Fuel System and Engine Integrity — Using the genuine OEM filter ensures the bypass valve opens at the engineered pressure threshold, protecting the engine during cold starts without starving critical lubrication points.
The oil filter's job is to continuously clean the engine oil as it circulates through the lubrication system, trapping wear metals, dirt, and combustion contaminants before they reach precision-machined surfaces like crankshaft bearings and camshaft journals. Inside the filter is a pleated media element that captures particles down to a specified micron size, along with a bypass valve that opens under high differential pressure — such as during a cold start — so oil flow is never completely interrupted. When an oil filter becomes saturated or the wrong filter is installed, unfiltered oil circulates freely, significantly shortening engine life and risking unplanned generator downtime on the worksite.
Part Details
| Part Number | 5200021189 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Oil Filter |
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.
