The Wacker Neuson Spring is a genuine OEM component designed for PTS4V centrifugal trash pumps and GPS/GS series portable generators. As a direct OEM replacement, part is manufactured to the same specifications as the original, ensuring proper function within the assemblies it supports. Confirmed fitment spans the PTS4V and PTS4V(I) pump models as well as the GPS8500, GPS9700, GS8.5V, and GS9.7V generator series.
Key Features
- Genuine OEM Spring Integrity — Manufactured to original tension and dimensional specifications, so the spring delivers consistent return force and engagement behavior as engineered for this application.
- Drop-In Replacement — Matches the original mounting points and profile, allowing installation without modification to surrounding hardware or assemblies.
- Broad Verified Fitment — Compatible with PTS4V and PTS4V(I) centrifugal trash pumps and GPS8500, GPS9700, GS8.5V, and GS9.7V portable generators across multiple production variants.
- Consistent Mechanical Engagement — A correctly tensioned spring maintains proper component actuation; a fatigued or broken spring can cause erratic operation, failure to engage, or uncontrolled movement of the mechanism it supports.
- Fuel System and Control Safety Relevance — Springs in pump and generator fuel or throttle control assemblies directly affect governed speed and shut-off response; using the correct OEM-spec part supports safe, predictable machine behavior.
A spring in pump and generator applications typically provides return force or tension within a mechanical control assembly — such as a throttle, governor, choke, or valve linkage. It ensures that a moving component returns to a defined position after actuation, maintaining predictable, repeatable machine behavior. When a spring fatigues, takes a set, or breaks, the affected control mechanism may fail to return properly, leading to erratic engine speed, poor throttle response, or inability to shut down the fuel circuit correctly — all of which affect both performance and operator safety.
Part Details
| Part Number | 5000116511 |
|---|---|
| Old Part Number | 0116511 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Spring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 100mm/4in Centrifugal Trash Pu mp | PTS4V | 5000007691, 5000007683, 5000620971, 5100031221 |
| Portable Generator with Electr ic Start | GPS9700 | 5000008287, 5000620264, 5200005042, 5000620973, 5100036768 |
| Portable Generator with Electr ic Start | GPS8500 | 5000008286 |
| Portable Generator with Electr ic Start | GS8.5V | 5000007661 |
| Portable Generator with Electr ic Start | GS9.7V | 5000007662 |
| PTS4V(I) Pump | PTS4V(I) | 5000620972 |
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.
