The Wacker Neuson Fitting Barb Reducer, 1/4 -.170 is a genuine OEM component designed for the GPS9700 and GP2500A portable generator series. Sourced directly from Wacker Neuson, this fitting carries the same part specification as the original installed at the factory, so you can install with confidence. It is confirmed to fit multiple GPS9700 variants — including the GPS9700V EPA with Wheel Kit and the Premium Portable Generator configuration — as well as the GP2500A EPA model.
Key Features
- OEM-Correct Barb Dimensions — Manufactured to the exact 1/4 to .170 reduction spec, ensuring a secure, leak-free connection between fuel or fluid lines without improvised adapters.
- Direct Drop-In Installation — Matches the original fitting geometry and barb profile, so it seats and clamps the same way as the part it replaces — no trimming or reworking of hose ends needed.
- Broad GPS9700 and GP2500A Coverage — Fits GPS9700V EPA (with Wheel Kit), GPS9700 Premium Portable, GPS9700 standard, and GP2500A EPA models under a single part number.
- Leak-Free Fuel or Fluid Routing — A properly seated barb reducer keeps line pressure consistent and prevents seepage that can starve the engine of fuel or contaminate surrounding components.
- Fuel System Integrity — A cracked or ill-fitting barb fitting in a generator fuel circuit can introduce air into the line or allow fuel to escape near ignition sources; replacing it promptly with the correct OEM piece maintains safe, code-compliant operation.
A barb reducer fitting serves as the transition point between two hose lines of different internal diameters, allowing fluid — most commonly fuel — to flow from a larger line into a smaller one without turbulence or pressure drop. The stepped barb profile grips the hose walls mechanically, so the connection stays sealed under the vibration and heat cycles a portable generator produces during normal operation. When this fitting cracks, deforms, or loosens, the resulting gap can introduce air into the fuel circuit or allow fuel to weep out, causing hard starting, rough running, or a potential fire hazard if left unaddressed.
Part Details
| Part Number | 5000183172 |
|---|---|
| Old Part Number | 0183172 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Fitting Barb Reducer, 1/4 -.170 |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| GPS9700V Generator, EPA, w/Wheel Kit | GPS9700 | 5200005042, 5000620973, 5100036768 |
| GP2500A Generator, EPA | GP2500A | 5200002844 |
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.
Wacker Neuson
Wacker Neuson Fitting-#4 Female To 1/4 Barb | 5100014034
