The Wacker Neuson Camshaft Complete is a genuine OEM component designed for the G40 and G50 series portable generators. As a direct OEM replacement, it is manufactured to the same specifications as the original part, ensuring a correct fit and consistent engine performance. This camshaft assembly is compatible across multiple G40 configurations — including standard, mobile, and LATAM Premium variants — as well as the G50 generator. If you are restoring proper valve operation or completing an engine rebuild, the is the verified factory part for these machines.
Key Features
- Genuine OEM Valve Timing Accuracy — Manufactured to exact lobe profile and journal tolerances, ensuring intake and exhaust valves open and close at the correct intervals for proper generator engine operation.
- Direct Drop-In Replacement — Engineered to the same dimensions and bearing surface finish as the original, allowing installation into the existing engine block without reworking or adapting any mating components.
- Broad G40 and G50 Compatibility — Verified fitment across G40 standard, G40 mobile, G40 LATAM Premium 50Hz, and G50 generator variants, covering a wide range of Wacker Neuson portable generator configurations.
- Sustained Engine Output — A correctly profiled camshaft maintains proper cylinder breathing, supporting stable power delivery and fuel efficiency throughout the generator's service life.
- Engine Safety Compliance — Correct camshaft geometry ensures valve clearances remain within specification, preventing valve-to-piston contact and the engine damage that a worn or incorrect camshaft can cause.
The camshaft is a precision rotating shaft inside the engine that controls the opening and closing of the intake and exhaust valves through a series of machined lobes. As the camshaft rotates in sync with the crankshaft, each lobe pushes against a follower or rocker arm to open a valve at exactly the right moment in the engine's combustion cycle. When a camshaft wears, chips, or is installed with incorrect timing, the engine loses power, runs roughly, consumes excess fuel, or fails to start — making this a critical component for restoring reliable generator operation.
Part Details
| Part Number | 5200021046 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Camshaft 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.