The Wacker Neuson Needle Valve is a genuine OEM component designed for a range of Wacker Neuson equipment including PTS4V centrifugal trash pumps, GPS8500 and GPS9700 portable generators, GS8.5V and GS9.7V portable generators, and the RD11V hydrostatic double drum vibratory roller. As a direct OEM replacement, this needle valve is manufactured to the same specifications as the original part, ensuring proper fuel metering and carburetor function across all compatible models. Confirm your model number against the fitment list before ordering to ensure compatibility.
Key Features
- Genuine OEM Fuel Metering Accuracy — Manufactured to the same tolerances as the original, maintaining precise fuel flow control within the carburetor needle seat.
- Drop-In Carburetor Replacement — Seats directly into the carburetor float assembly with no rework needed, restoring correct fuel shut-off and flow regulation.
- Broad Equipment Compatibility — Fits PTS4V trash pumps, GPS8500 and GPS9700 portable generators, GS8.5V and GS9.7V generators, and the RD11V double drum roller.
- Protects Engine from Fuel Flooding — A correctly functioning needle valve prevents fuel from overflowing into the engine, avoiding hard starts, rough running, and potential engine damage.
- Fuel System Safety — A worn or stuck needle valve can allow uncontrolled fuel flow into the carburetor bowl, creating a flooding condition and a potential fire hazard — replacing it promptly is essential.
The needle valve sits inside the carburetor float chamber and works together with the float to regulate fuel entry into the bowl. As the float rises with the fuel level, it pushes the needle valve tip against its seat, cutting off fuel flow and preventing overflow. When the needle valve wears, sticks, or fails to seal properly, fuel can flood the carburetor — leading to hard starting, rough idling, excessive fuel consumption, or an engine that will not run at all. Replacing a faulty needle valve restores clean carburetion and consistent engine performance across the full operating range of the equipment.
Part Details
| Part Number | 5000118489 |
|---|---|
| Old Part Number | 0118489 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Needle Valve |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 100mm/4in Centrifugal Trash Pu mp | PTS4V | 5000007691, 5000007683 |
| Portable Generator with Electr ic Start | GPS9700 | 5000008287, 5000620264 |
| Portable Generator with Electr ic Start | GPS8500 | 5000008286 |
| Hydrostatic Double Drum Vibrat ory Roller | RD11V | 5000007694 |
| Portable Generator with Electr ic Start | GS8.5V | 5000007661 |
| Portable Generator with Electr ic Start | GS9.7V | 5000007662 |
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.
