The Wacker Neuson Rocker Arm is a genuine OEM component designed for the G-series portable generator lineup, including the G40, G50, G60, G70, G95, and G110 models. As a direct OEM part, it is manufactured to the exact specifications of the original, ensuring a proper fit within the engine's valve train. This rocker arm is compatible across a wide range of G-series generator configurations, including standard, mobile, 50Hz LATAM, and Brazil-market variants. When your generator's valve train needs attention, replacing a worn rocker arm with the correct OEM part helps restore proper engine operation and consistent power output.
Key Features
- Genuine OEM Valve Train Accuracy — Manufactured to exact dimensional tolerances for proper rocker-to-valve geometry, ensuring correct lift and timing in the engine's valve train.
- Drop-In Engine Compatibility — Mounts directly to the rocker shaft on compatible G-series engines with no rework or adaptation to the cylinder head assembly.
- Wide G-Series Generator Coverage — Fits the G40, G50, G60, G70, G95, and G110 generator models across multiple configurations, including mobile, 50Hz LATAM, and Brazil-market Premium and Value variants.
- Consistent Power Delivery — A properly functioning rocker arm maintains correct valve timing, directly supporting stable engine rpm and steady generator output under load.
- Engine Protection — A worn or failed rocker arm can cause misfires, loss of compression, and accelerated valve and camshaft wear; replacing it promptly limits collateral engine damage.
The rocker arm is a critical moving component in a four-stroke engine's valve train. It transfers motion from the camshaft — via the pushrod — to open and close the intake and exhaust valves at the correct moment in each combustion cycle. When a rocker arm wears, cracks, or loses its pivot tolerance, valve timing suffers, causing rough running, power loss, and increased fuel consumption. On a portable generator like the G-series, where stable engine speed is essential for consistent electrical output, a compromised rocker arm can result in voltage fluctuations that damage connected equipment. Replacing a failed rocker arm with the correct OEM part restores proper valve operation and protects the rest of the valve train from secondary wear.
Part Details
| Part Number | 5200021268 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Rocker Arm |
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.
