The Wacker Neuson Diaphragm Assembly is a genuine OEM component designed for the P31A Power Unit for Wet Screed. As a direct OEM replacement, this assembly is sourced from Wacker Neuson and matched to the exact specifications of the original part, so you can install with confidence and get your screed unit back to work quickly. Sourced through authorized Wacker Neuson supply channels, the carries the same part number as the unit it replaces, making fitment verification straightforward.
Key Features
- Genuine OEM Diaphragm Material: — Manufactured to the same flex-cycle rating and material grade as the original, ensuring consistent pressure transfer and sealing performance across the pump or fuel circuit.
- Direct-Fit Replacement: — Matches the original mounting pattern and port dimensions of the P31A Power Unit, so installation follows the standard service procedure without rework.
- Verified Fitment for P31A: — Confirmed for the P31A Power Unit for Wet Screed, so you can cross-check your unit before ordering.
- Maintains Fluid Transfer Integrity: — A correctly functioning diaphragm maintains the pressure differential needed for consistent operation; a cracked or fatigued diaphragm leads to leaks, pressure loss, and inconsistent screed output.
- Fuel and Fluid System Safety: — In fuel or fluid-handling circuits, a compromised diaphragm can result in uncontrolled leakage; replacing with a genuine OEM assembly restores the sealed system to its intended operating condition.
A diaphragm assembly acts as a flexible membrane within a pump or fuel-delivery circuit, creating the pressure differential that moves fluid through the system. It flexes repeatedly with each stroke cycle, so over time it can crack, harden, or perforate — leading to pressure loss, fluid leakage, or complete pump failure. Replacing a worn diaphragm assembly restores proper flow and pressure, keeping the wet screed unit operating at the output level the job demands.
Part Details
| Part Number | 5000157492 |
|---|---|
| Old Part Number | 0157492 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Diaphragm Assembly |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Power Unit for Wet Screed | P31A | 5000009365 |
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.
