The Wacker Neuson Top Gasket Kit is a genuine OEM component designed for G40 and G50 series portable generators. Sourced directly from Wacker Neuson, this kit delivers the exact materials, dimensions, and compression ratings engineered for these machines — so you get a proper seal the first time. It covers the G40 and G50 generator families, including standard, mobile, and 50Hz LATAM Premium configurations. When it's time for a top-end service or engine rebuild, this is the kit that belongs in the job.
Key Features
- Correct Compression and Seal Material — Genuine OEM gaskets are manufactured to the exact thickness and material spec required for proper cylinder head sealing on G40 and G50 engines.
- Complete Kit Format — Includes all top-end gaskets needed for a single service event, so you're not hunting down individual pieces mid-repair.
- Direct-Fit for G40 and G50 Generators — Engineered specifically for G40 and G50 portable generator families, including standard, mobile, and 50Hz LATAM Premium variants.
- Protects Engine Performance — A failed or worn top gasket allows combustion gases to escape, robbing the engine of compression and output. A fresh OEM kit restores full power and fuel efficiency.
- Fuel System and Combustion Safety — Proper top-end sealing is essential to contain combustion gases and prevent hazardous leaks during generator operation — use the correct OEM kit to stay compliant with safe operating standards.
A top gasket kit contains the sealing components that sit between the engine's cylinder head and block — most critically the head gasket, along with valve cover and other upper-engine gaskets included in the set. These gaskets contain combustion pressure, prevent oil and coolant from migrating where they shouldn't, and maintain the compression ratios the engine was designed to produce. When a top gasket fails, you'll typically see power loss, overheating, oil consumption, or visible exhaust smoke. Replacing the full kit at once — rather than individual gaskets — ensures every sealing surface is renewed at the same time, avoiding comebacks and secondary failures.
Part Details
| Part Number | 5200021144 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Top Gasket Kit |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Generator | G40 | 5200015906, 5200016640, 5100029184, 5200015907 |
| 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.
