The Wacker Neuson Washer 6 Rubber Hose Coupling is a genuine OEM component designed for the PS4-7503HF submersible pump. Sourced directly from Wacker Neuson, this washer delivers the exact material grade and dimensional tolerancing required for a leak-free hose coupling connection on the PS4-7503HF. Replacing a worn or compressed rubber washer restores the sealing integrity of the discharge coupling, keeping pump output consistent and preventing moisture ingress at the connection point.
Key Features
- OEM Rubber Grade: — Manufactured to Wacker Neuson's material specification, ensuring the correct compression set and sealing performance at the hose coupling interface.
- Drop-In Coupling Fit: — Dimensioned to seat directly into the hose coupling on the PS4-7503HF with no trimming or adaptation needed.
- PS4-7503HF Compatibility: — Verified fitment for the Wacker Neuson PS4-7503HF submersible pump series.
- Leak Prevention at the Source: — A degraded rubber washer is the most common cause of coupling seepage; replacing part 5000078037 restores a positive watertight seal and maintains full discharge flow.
- Fuel and Fluid System Safety: — A correctly seated rubber washer at the discharge coupling prevents uncontrolled leaks that could create slip hazards or compromise pump operation in confined or flooded workspaces.
The rubber hose coupling washer creates a watertight seal where the discharge hose connects to the pump body. It works by compressing against the coupling face to close off any gap that would allow water to escape under pressure. Over time, heat cycling, chemical exposure, and repeated connection and disconnection cause the rubber to harden, crack, or deform — once the washer loses its ability to compress evenly, the coupling will weep or leak outright, reducing discharge efficiency and potentially allowing water to back-flow or spray at the joint.
Part Details
| Part Number | 5000078037 |
|---|---|
| Old Part Number | 0078037 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Washer 6 Rubber Hose Coupling |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PS4-7503HF | PS47503HF | 5000008863 |
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.
