The Wacker Neuson 5100031978 Barbed Hose Coupling is a genuine OEM component designed for the PG1 Dewatering Pump. Sourced directly from Wacker Neuson, this coupling delivers the exact fit and material specification required to maintain a secure, leak-free hose connection on the PG1. Correct fitment is critical in pump applications where a compromised coupling can result in flow loss, pressure drop, or water ingress at the connection point.
Key Features
- Genuine OEM Construction — Manufactured to Wacker Neuson's exact material and dimensional specifications for the barbed hose coupling, ensuring consistent sealing performance under pump operating pressures.
- Barbed Retention Design — The barbed profile grips the hose interior securely once seated, resisting pull-out and maintaining a tight seal without additional hardware.
- Direct Replacement for the PG1 — Purpose-built for the Wacker Neuson PG1 Dewatering Pump, this coupling installs directly into the existing hose circuit with no adaptation needed.
- Maintains Pump Flow Integrity — A correctly seated barbed coupling keeps the discharge or suction line sealed, allowing the PG1 to maintain full flow capacity. A cracked or loose coupling causes air entrainment or leakage that degrades pump output.
A barbed hose coupling is a fixed-connection fitting that joins a flexible hose to a pump port or hose assembly. The barbed ridges bite into the hose wall when the hose is pushed over the fitting, creating a mechanical grip that holds under pressure and vibration. When a barbed coupling cracks, strips, or becomes damaged, the hose connection can weaken, leading to leaks, air being drawn into the suction line, or a loss of discharge pressure — all of which reduce the dewatering pump's ability to move water effectively. Replacing a worn coupling promptly keeps the hose circuit sealed and the pump performing at full capacity.
Part Details
| Part Number | 5100031978 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Barbed Hose Coupling |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Dewatering Pump | PG1 | 5100031509 |
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.