The Wacker Neuson Air Filter is a genuine OEM component designed for G40 and G50 series portable generators. As a factory-sourced part, it meets the exact fit and filtration specifications set by Wacker Neuson for these generator models, covering standard, mobile, 50Hz, and Brazil Premium variants. Keeping the air intake clean is one of the simplest ways to protect engine life and maintain consistent power output across the G40 and G50 lineup.
Key Features
- OEM Filtration Specification — Manufactured to the exact media density and flow-rate spec required by the G40 and G50 engine, ensuring the correct balance between airflow and particle capture.
- Drop-In Housing Fit — Designed to seat directly in the factory air filter housing with no trimming or adaptation, maintaining the proper seal around the filter element.
- Broad G-Series Compatibility — Covers multiple G40 and G50 generator configurations including standard, mobile, 50Hz LATAM, and Brazil Premium variants under a single part number.
- Engine Protection at the Source — A properly functioning air filter prevents dirt, dust, and debris from entering the combustion chamber — contamination that accelerates cylinder and ring wear and shortens engine life.
- Consistent Power Output — A clogged or degraded filter restricts airflow, causing the engine to run rich, lose output power, and consume more fuel. Replacing on schedule keeps the generator performing at rated capacity.
The air filter is the engine's first line of defense against airborne contaminants. It captures dust, debris, and fine particles before they can enter the intake and reach the combustion chamber, where even small amounts of abrasive material can cause accelerated wear on pistons, cylinders, and valves. On a portable generator like the G40 or G50 — often running in dusty construction or job-site environments — a clean, serviceable air filter is critical to sustained engine output and long-term reliability. When the filter becomes saturated or damaged, restricted airflow disrupts the air-fuel mixture, leading to hard starting, rough running, power loss, and increased fuel consumption.
Part Details
| Part Number | 5200021015 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Air Filter |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Generator | G40 | 5200015906, 5200016640, 5100029184, 5200015907 |
| Generator | G50 | 5200015909, 5100022009, 5100022008 |
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.