The Wacker Neuson Exhaust Valve is a genuine OEM component designed for the G-series portable generator lineup, including the G40, G50, G60, G70, G95, and G110 models. Sourced directly through Wacker Neuson's authorized parts supply chain, this exhaust valve meets the exact material and dimensional specifications of the original component. It is a direct replacement for multiple G-series generator configurations across standard, 50Hz LATAM, and Brazil-market variants. If your generator is showing signs of compression loss, rough running, or reduced power output, the is the correct OEM part to restore proper engine function.
Key Features
- Genuine OEM Valve Metallurgy — Manufactured to Wacker Neuson's original heat-resistant alloy specification, ensuring the valve withstands the high-temperature exhaust cycles typical of continuous-duty generator operation.
- Drop-In Engine Fitment — Engineered to match the original valve stem diameter, head geometry, and seating profile, allowing installation directly into the existing valve seat without machining or adaptation.
- Broad G-Series Compatibility — Confirmed fitment across G40, G50, G60, G70, G95, and G110 portable generator models, including standard, 50Hz LATAM Premium, and Brazil Premium and Value configurations.
- Compression Integrity Restored — A worn or burnt exhaust valve allows combustion gases to escape the cylinder, robbing the engine of power and efficiency; replacing it with the correct OEM part restores full compression and stable power output.
- Fuel System Safety Assurance — Proper exhaust valve sealing prevents unburned fuel from entering the exhaust path, reducing the risk of backfiring and exhaust system heat buildup during generator operation.
The exhaust valve controls the release of spent combustion gases from the engine cylinder at the end of each power stroke. It opens on a precise timing schedule to vent exhaust, then closes tightly to seal the cylinder for the next compression and ignition cycle. When an exhaust valve wears, burns, or loses its seating surface, compression drops, the engine runs rough, fuel consumption rises, and power output becomes inconsistent. Replacing a failed exhaust valve with the correct OEM part — such as the Wacker Neuson 5200021108 — restores the engine's ability to build and hold compression, which is fundamental to stable, load-bearing generator performance.
Part Details
| Part Number | 5200021108 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Exhaust Valve |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Mobile Generator | G95 | 5200016642, 5200020677, 5100029186 |
| Mobile Generator | G60 | 5200015951, 5200016641, 5100029185 |
| G70 | G70 | 5200015952, 5100022041, 5100022040 |
| Generator | G40 | 5200015906, 5200015907, 5200016640, 5100029184 |
| Generator | G50 | 5200015909, 5100022009, 5100022008 |
| 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.
