The Wacker Neuson Exhaust Valve Seat is a genuine OEM component designed for the G40, G50, G60, G70, G95, and G110 series portable generators. Sourced directly from Wacker Neuson, this part matches the exact material grade and dimensional tolerances specified for the original engine build. It fits a wide range of G-series generator configurations including standard, mobile, 50Hz LATAM, and Brazil market variants. When your generator's exhaust valve seat is worn or damaged, replacing it with the correct OEM part restores proper valve sealing and protects engine compression.
Key Features
- OEM-Grade Seat Material — Manufactured to Wacker Neuson's specified hardness and heat-resistance ratings, ensuring the seating surface holds up under sustained exhaust temperatures in generator engine applications.
- Direct Engine Replacement — Engineered to seat precisely into the cylinder head bore of G-series engines, allowing the exhaust valve to close and seal correctly without additional machining.
- Broad G-Series Compatibility — Fits G40, G50, G60, G70, G95, and G110 generator models across multiple regional configurations, including standard, mobile, 50Hz LATAM, and Brazil Premium variants.
- Compression and Efficiency Restoration — A correctly fitted exhaust valve seat maintains cylinder sealing, preserving engine compression and fuel efficiency — a worn seat causes power loss, hard starting, and increased fuel consumption.
- Fuel System Safety Compliance — Proper exhaust valve sealing prevents combustion gases from bypassing the valve, which is critical to safe, stable generator operation on the jobsite.
The exhaust valve seat is a hardened ring pressed into the cylinder head that provides the sealing surface against which the exhaust valve closes after each combustion cycle. It is designed to withstand the repeated impact and extreme heat generated by exhaust gases leaving the combustion chamber. Over time, the seat can wear, pit, or crack — causing the exhaust valve to seal poorly, which leads to compression loss, rough running, increased emissions, and eventual engine damage if left unaddressed. Replacing the seat with a correctly spec'd OEM part is essential to restoring full engine performance in your Wacker Neuson generator.
Part Details
| Part Number | 5200021411 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Exhaust Valve Seat |
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.
