The Wacker Neuson Valve is a genuine OEM component designed for the GP2500A, GP3800A, GP5600A, GP6600A, and GPS9700A portable generator series. Sourced directly from Wacker Neuson, this is the exact same part installed at the factory — no substitutions, no guesswork. Confirmed fitment spans the full GP and GPS generator lineup covered under part number, making it straightforward to source the right valve the first time.
Key Features
- Genuine OEM Flow Control Integrity — Built to Wacker Neuson's exact valve tolerances, ensuring proper fluid or fuel flow regulation without drift or bypass that an imprecise valve can cause.
- Direct Drop-In Replacement — Matches the original port sizing and connection points, so installation follows the same procedure as the factory-fitted component.
- Broad GP and GPS Series Coverage — A single part number covers the GP2500A, GP3800A, GP5600A, GP6600A, and GPS9700A generators, consolidating your parts sourcing across multiple units.
- Protects Generator Output Consistency — A properly functioning valve maintains correct operational pressure or fuel delivery, supporting steady generator performance under load. A worn or stuck valve can cause irregular operation or hard starting.
- Fuel System Safety Assurance — As a valve within the fuel circuit, using a correctly rated OEM component helps maintain sealed, leak-free operation and reduces the risk of fuel-related hazards.
A valve in a portable generator controls the movement of fuel or fluid through a specific circuit — opening, closing, or regulating flow to keep the engine running within its designed parameters. When a valve sticks, leaks, or fails to seat properly, the engine may run rough, fail to start, or lose power under load. Replacing a degraded valve with a correct OEM part restores the intended flow characteristics and keeps the generator operating as designed.
Part Details
| Part Number | 5100043863 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Valve |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| GP2500A | GP2500A | 5100041977 |
| GP3800A | GP3800A | 5100041978 |
| GP5600A | GP5600A | 5100041979 |
| GP6600A | GP6600A | 5100042220 |
| GPS9700A | GPS9700A | 5100042221 |
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.