The Wacker Neuson Camshaft is a genuine OEM component designed for the GS8.5V and GPS8500 portable generators with electric start. As a direct Wacker Neuson OEM part, the is manufactured to the same specification as the original, ensuring a proper fit within the engine assembly. This camshaft is the correct replacement for GS8.5V and GPS8500 series machines, so you can restore engine performance with confidence.
Key Features
- Genuine OEM Precision: — Cast and ground to exact lobe profile and journal tolerances, preserving correct valve timing across the engine's operating range.
- Direct Engine Replacement: — Matches the original camshaft's dimensions and gear interface, dropping into the engine block without modification to bearing bores or timing alignment.
- Confirmed Generator Fitment: — Verified for the GS8.5V and GPS8500 portable generators with electric start; always cross-reference your machine's model and serial number before ordering.
- Sustained Power Output: — A correctly profiled camshaft maintains accurate valve lift and duration, keeping combustion efficient and generator output steady under load.
- Fuel System Integrity: — Worn camshaft lobes cause poor valve sealing, leading to hard starting, increased fuel consumption, and uneven generator power — replacing with the OEM part restores correct engine breathing.
The camshaft is a precision-machined rotating shaft inside the engine that controls the opening and closing of the intake and exhaust valves through a series of lobes. Its profile directly governs how much fuel-air mixture enters the combustion chamber and how efficiently exhaust gases are expelled, making it fundamental to engine power and efficiency. When a camshaft wears or develops damaged lobes, valve timing degrades, resulting in hard starting, loss of power, excessive fuel burn, and in severe cases, internal engine damage.
Part Details
| Part Number | 5000116529 |
|---|---|
| Old Part Number | 0116529 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Camshaft |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Portable Generator with Electr ic Start | GS8.5V | 5000007661 |
| Portable Generator with Electr ic Start | GPS8500 | 5000008286 |
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.
