The Wacker Neuson Camshaft Complete is a genuine OEM component designed for the GP4000, GPi4300, and GPSi4300 series portable and inverter generators. Sourced directly from Wacker Neuson, this is the exact part fitted at the factory — no guesswork, no adaptation. It covers a wide range of GP4000 Premium Portable Generator configurations as well as the GPi4300 and GPSi4300 inverter generator models, making it the correct choice whether you are servicing a standard portable unit or an inverter-equipped machine. When it comes to an engine assembly as precise as the camshaft, using the genuine OEM part ensures the valve timing and lift profiles remain exactly to specification.
Key Features
- Genuine OEM Valve Timing Accuracy — Manufactured to the exact lift and lobe profiles specified by Wacker Neuson, preserving correct valve open and close timing critical to engine efficiency.
- Direct Drop-In Replacement — Matches the original bearing journals, gear interface, and timing marks so the camshaft seats and indexes correctly without any machining or fitting work.
- Broad Generator Series Coverage — Fits GP4000 Premium Portable Generator variants, GPi4300 Portable Inverter Generator, and GPSi4300 models across multiple serial configurations.
- Sustained Engine Output — A correctly profiled camshaft keeps intake and exhaust valves operating in proper sequence, supporting consistent power output and smooth generator load response.
- Fuel System Integrity — Correct camshaft geometry ensures the fuel delivery cycle is properly timed, reducing the risk of unburnt fuel contaminating the oil or degrading combustion efficiency over time.
The camshaft is a precision-machined shaft inside the engine that controls the opening and closing of the intake and exhaust valves through a series of lobes. As the engine runs, the camshaft rotates in sync with the crankshaft, and each lobe pushes a valve open at exactly the right moment to allow the air-fuel mixture in and exhaust gases out. When a camshaft wears, the lobes lose their correct profile, causing valves to open late, close early, or not fully seat — leading to power loss, rough running, excessive fuel consumption, and in severe cases, engine damage. Replacing a worn camshaft with the correct OEM part restores the precise timing the engine was built around.
Part Details
| Part Number | 5000214826 |
|---|---|
| Old Part Number | 0214826 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Camshaft Complete |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Premium Portable Generator | GP4000 | 5000620090, 5000620380, 5000620977, 5000620978, 5000620089 |
| GPi4300 | GPi4300 | 5000620962, 5000620782, 5000620784 |
| GPSi4300 | GPSi4300 | 5000620963, 5000620783, 5000620937 |
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.