The Wacker Neuson is a genuine OEM Fitting 1/4 NPT x 3/16 Barb designed for the GP and GPS portable generator series, including the GP2500A, GP3800A, GP4000, GP5600A, GP6600A, GPS5600A, and GPS6600A models. As a genuine Wacker Neuson part, the is produced to the exact material and dimensional specifications of the original component, ensuring a correct, leak-free connection in the fuel or fluid routing circuit. This fitting is a direct replacement for machines equipped with the original part and covers a wide range of GP-series configurations, including standard, wheel kit, electric start, and premium variants. Confirm your model number against the fitment list before ordering to ensure proper application.
Key Features
- Correct Thread and Barb Sizing — Machined to 1/4 NPT male thread and 3/16 inch barb diameter, matching the original port and hose dimensions for a leak-free seal without adapters.
- Genuine OEM Part — Sourced directly from Wacker Neuson, this fitting meets the same material and thread-form standards as the component installed at the factory, ensuring long-term sealing integrity in fuel or fluid lines.
- Broad GP and GPS Series Coverage — Fits a wide range of Wacker Neuson portable generators, including GP2500A, GP3800A, GP4000, GP5600A, GP6600A, GPS5600A, and GPS6600A variants across multiple build configurations.
- Maintains Fluid Circuit Integrity — A correctly seated barb fitting keeps the fluid routing system fully pressurized and leak-free; a damaged or missing fitting can cause fluid loss, air ingestion, and generator shutdown.
- Fuel System Safety — A properly rated and correctly installed fuel-line fitting is essential to preventing fuel leaks, which represent a fire and safety hazard on any generator application.
A barb-to-NPT fitting serves as the transition connector between a threaded port on the engine or fuel system housing and a flexible hose or tubing line. The 1/4 NPT male thread engages the tapped port in the machine, while the 3/16 inch barb stem grips the inside diameter of a mating hose, held secure by a clamp or the hose's own tension. When this fitting cracks, strips, or seals incorrectly, the connection point becomes a source of fluid leaks or air entry into the line — both of which compromise generator operation and, in the case of fuel lines, create a safety risk. Replacing a worn or damaged fitting with the correct OEM part restores a sealed, structurally sound connection at that junction.
Part Details
| Part Number | 5000162899 |
|---|---|
| Old Part Number | 0162899 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Fitting 1/4 NPT x 3/16 Barb |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| GPS5600A,CAN GFI | GPS5600A | 5000620096, 5000620383, 5000620044, 5000620093, 5000620013 |
| GPS6600A GENERATOR,CAN GFI | GPS6600A | 5000620102, 5000620386, 5000620047, 5000620099, 5000620016 |
| GP2500A | GP2500A | 5000620128, 5000620009 |
| Premium Portable Generator | GP4000 | 5000620090, 5000620380, 5000620089 |
| Premium Portable Generator | GP5600A | 5000620094, 5000620095, 5000620381, 5000620382, 5000620042, 5000620043, 5000620091, 5000620092, 5000620011, 5000620012 |
| GP6600A GENERATOR,CAN GFI | GP6600A | 5000620100, 5000620101, 5000620384, 5000620045, 5000620046, 5000620097, 5000620098, 5000620014, 5000620015 |
| Portable Generator | GP3800A | 5000620104, 5000620379, 5000620485, 5000620041, 5000620103, 5000620010 |
| Premium Portable Generator | GP6600 | 5000620385 |
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.
