The Wacker Neuson Valve Guide is a genuine OEM component designed for the G40, G50, G60, G70, G95, and G110 series portable generators. As a direct Wacker Neuson OEM part, the is manufactured to the exact tolerances required to maintain proper valve stem alignment and combustion integrity across this generator family. This part covers a wide range of G-series configurations including standard, mobile, 50Hz LATAM, and Brazil Premium variants. When it's time to restore your generator's engine to peak operating condition, sourcing the correct OEM valve guide ensures the repair is done right the first time.
Key Features
- OEM-Grade Bore Tolerancing — Manufactured to exact bore diameter and surface finish specs required to maintain proper valve stem clearance and prevent oil migration past the guide.
- Drop-In Engine Replacement — Engineered to press into the cylinder head to OEM depth, matching the original interference fit without reworking the head bore.
- Broad G-Series Compatibility — A single part number covers G40, G50, G60, G70, G95, and G110 generator models across standard, mobile, 50Hz LATAM, and Brazil Premium configurations.
- Protects Valve Train Longevity — A worn or out-of-spec guide causes valve stem wobble, accelerated seat wear, and oil burning — replacing it restores clean combustion and stable power output.
- Fuel System Integrity — Correct valve-to-guide clearance is critical to proper compression sealing; an undersized or oversized guide risks valve seizing or uncontrolled blow-by that degrades generator performance under load.
The valve guide is a precision sleeve pressed into the cylinder head that keeps the intake or exhaust valve stem aligned as it opens and closes during each engine cycle. It controls the side-to-side movement of the valve stem, maintaining the critical clearance needed to prevent oil from being drawn into the combustion chamber while still allowing the stem to move freely. When a valve guide wears beyond tolerance, the result is increased oil consumption, visible smoke from the exhaust, loss of compression, and uneven power delivery — all of which directly affect a generator's ability to hold a steady load.
Part Details
| Part Number | 5200021099 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Valve Guide |
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.
