The Wacker Neuson Cylinder Head Gasket is a genuine OEM component designed for G40 and G50 series portable generators. Sourced directly from Wacker Neuson, this gasket meets the exact sealing specifications required for dependable engine performance across the G40 and G50 generator lineup, including mobile and stationary configurations. Whether you're servicing a standard G40, a mobile G40, or a G50 generator, part number is the correct, factory-authorized replacement to restore a proper head seal.
Key Features
- Engineered Sealing Integrity — Manufactured to the precise compression and material tolerances required for the G40 and G50 engine architecture, ensuring a complete, leak-free seal between the cylinder head and engine block.
- Genuine OEM Part — Supplied by Wacker Neuson as an authorized replacement, so you receive the same gasket that ships with new equipment — no guesswork on fitment or material grade.
- Direct-Fit for G40 and G50 Generator Series — Confirmed fitment across G40 standard, G40 mobile, and G50 generator models, including LATAM and Premium variants; drops into place using the original head bolt pattern.
- Protects Engine Compression and Cooling Passages — A correctly seated head gasket maintains cylinder pressure and seals coolant and oil passages, keeping combustion efficiency where it needs to be for consistent generator output.
- Fuel and Combustion Safety — A failed or improperly rated head gasket can allow combustion gases, coolant, or oil to cross-contaminate; using the correct OEM-spec gasket eliminates that risk on your generator.
The cylinder head gasket sits between the engine's cylinder head and the engine block, forming a critical seal that keeps combustion pressure contained while preventing oil and coolant from mixing or escaping. On a portable generator like the G40 or G50, a compromised head gasket can cause lost compression, overheating, oil contamination, and a drop in electrical output — often appearing first as white exhaust smoke or a coolant smell under load. Replacing a worn or blown gasket with the correct OEM part restores the engine's ability to run at rated capacity and prevents more serious internal damage from developing.
Part Details
| Part Number | 5200021434 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Cylinder Head Gasket |
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.
