The Wacker Neuson 16100-ZL0-W51 Spring is a genuine OEM component designed for PT2A and PT2A(I) series self-priming centrifugal trash pumps and the GP2500A portable generator. Sourced directly from Wacker Neuson, this spring meets the original engineering specification for these machines, ensuring proper function and a direct drop-in fit. Confirmed fitment spans multiple PT2A configurations as well as the GP2500A, making 16100-ZL0-W51 the correct choice when servicing these units.
Key Features
- Genuine OEM Tension and Temper: — Manufactured to the original spring rate and material spec, so compression and rebound characteristics match what the engine and pump system were designed around.
- Direct Drop-In Replacement: — Matches the original mounting points and dimensions exactly, installing in place of the worn or broken spring without modification.
- Broad PT2A and GP2500A Compatibility: — Confirmed across multiple PT2A pump configurations and the GP2500A generator, covering a wide range of machine serial ranges in the Wacker Neuson lineup.
- Restores Consistent Mechanical Response: — A fatigued or broken spring can cause erratic governor, throttle, or valve behavior; replacing it with the correct OEM part restores predictable, consistent operation.
- Fuel System Integrity: — Springs in carburetor and fuel system assemblies directly affect fuel delivery and engine speed control; using the correct spring helps maintain safe, stable engine operation on the PT2A and GP2500A.
A spring in this application regulates mechanical tension within the carburetor or governor linkage, maintaining the correct resistance needed for stable fuel delivery and engine speed control. When a spring stretches, fatigues, or breaks, the engine may surge, hunt for idle, or fail to respond correctly to load changes — symptoms that can halt pump or generator output entirely. Replacing a worn spring with a genuine Wacker Neuson part like the 16100-ZL0-W51 restores the precise mechanical feedback the system relies on to run smoothly under working conditions.
Part Details
| Part Number | 16100-ZL0-W51 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Spring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PT2A Pump | PT2A | 5000009092, 5000009095, 5000009237, 5100042215 |
| GP2500A | GP2500A | 5100041977 |
| PT2A(I) | PT2A(I) | 5100042613 |
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.