The Wacker Neuson Valve Rocker Shaft is a genuine OEM component designed for the GS8003G and GS8000G generator series. Sourced directly from Wacker Neuson, this part meets the exact manufacturer specifications used in original production, ensuring a drop-in fit with no guesswork. It is the correct replacement for worn or damaged rocker shaft assemblies in these models, keeping the valvetrain operating as engineered. If your generator is showing signs of valve noise, inconsistent engine performance, or increased oil consumption, this shaft is the place to start.
Key Features
- OEM Valvetrain Precision — Manufactured to exact journal diameter and surface finish tolerances required for correct rocker arm clearance and smooth valve actuation.
- Direct Drop-In Replacement — Matches the original mounting points and rocker arm bore dimensions, allowing straightforward installation within the existing cylinder head assembly.
- Confirmed Fitment — Verified for the Wacker Neuson GS8003G and GS8000G generator models, covering both CE and LA configurations.
- Protects Valvetrain Integrity — A worn rocker shaft allows rocker arms to shift and wobble, leading to inconsistent valve timing, power loss, and accelerated wear on cam lobes and rocker arms — this OEM shaft restores proper geometry.
- Genuine Wacker Neuson Part — Supplied as an authentic OEM component, carrying the same material grade and dimensional control as the part originally installed at the factory.
The valve rocker shaft is the central support post on which the rocker arms pivot as the camshaft lobes push against them, translating that motion into the precise opening and closing of the engine's intake and exhaust valves. It must maintain tight dimensional tolerances to keep each rocker arm correctly positioned and properly lubricated throughout the engine's operating cycle. When the shaft wears or develops surface scoring, rocker arms lose their seating geometry, causing valve timing to drift — which leads to rough running, reduced power output, and if left unaddressed, damage to surrounding valvetrain components.
Part Details
| Part Number | 5100084271 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Valve Rocker Shaft |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| GS8003G | GS8003G CE | 5100079456 |
| GS8000G | GS8000G LA | 5100079457 |
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.
