The Wacker Neuson Cylinder Head Complete is a genuine OEM component designed for G40 and G50 series portable generators. This is a direct-replacement cylinder head assembly sourced from Wacker Neuson, covering G40 standard and mobile generator configurations as well as the G50 generator lineup — including G40 50Hz LATAM Premium variants. As a genuine OEM part, the is manufactured to the same specifications as the original, ensuring proper fit and function without modification. Keep a verified replacement on hand and avoid extended downtime when a cylinder head failure occurs on your G40 or G50 generator.
Key Features
- Genuine OEM Construction — Manufactured by Wacker Neuson to the same material grade and dimensional tolerances as the original cylinder head, ensuring correct combustion chamber geometry and sealing surface integrity.
- Complete Assembly — Supplied as a Cylinder Head Complete, meaning all integrated components of the head are included, simplifying installation and reducing the risk of mismatched parts.
- Broad G40 and G50 Coverage — Fits standard G40 generators, G40 mobile generators, G40 50Hz LATAM Premium units, and the G50 generator — one part number covering a wide range of Wacker Neuson portable generator configurations.
- Combustion Performance — A correctly seated cylinder head maintains proper compression and combustion efficiency, directly supporting stable power output and consistent generator performance under load.
- Fuel and Exhaust System Integrity — The cylinder head seals the combustion chamber from both the intake and exhaust circuits; a failed or cracked head can cause compression loss, fuel inefficiency, or exhaust gas contamination — making prompt replacement critical to safe generator operation.
The cylinder head is the structural and functional centerpiece of an engine's top end, enclosing the combustion chamber and housing the intake and exhaust ports. It works in conjunction with the head gasket to maintain a high-pressure seal during combustion, and any warping, cracking, or gasket failure will result in lost compression, overheating, or oil and coolant contamination. On portable generators like the G40 and G50, a compromised cylinder head directly impacts voltage stability and load-handling capacity, making it one of the most critical components to replace with a correctly specified part.
Part Details
| Part Number | 5200021082 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Cylinder Head Complete |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Generator | G40 | 5200015906, 5200015907, 5200016640, 5100029184 |
| 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.
