The Wacker Neuson Valve Spring is a genuine OEM component designed for the P31A Power Unit for Wet Screed. As a direct OEM part, it is manufactured to the exact specifications required by Wacker Neuson, ensuring a correct, trouble-free installation in the engine's valve train assembly. This is the same part supplied through authorized Wacker Neuson service channels, making it the straightforward choice for technicians keeping P31A-powered screed equipment in peak operating condition.
Key Features
- OEM-Spec Spring Rate: — Engineered to the exact tension and load rating specified by Wacker Neuson, so valve timing and seating pressure remain within the engine's design parameters.
- Drop-In Installation: — Matches the original spring dimensions and seat diameter, seating correctly in the valve retainer without modification to surrounding components.
- Confirmed Fitment: — Verified for the P31A Power Unit for Wet Screed, so you can order with confidence that this is the correct part for your machine.
- Sustained Valve Performance: — A correctly tensioned valve spring holds intake and exhaust valves firmly closed at the right moment, supporting consistent compression and smooth engine operation across demanding screed applications.
- Fuel System and Engine Integrity: — A fatigued or broken valve spring can cause misfires, loss of compression, or valve float at higher RPMs — replacing it promptly with a genuine OEM part protects the engine from accelerated wear.
The valve spring is a critical component in the engine's valve train, working to return each intake or exhaust valve to its closed position after it has been pushed open by the camshaft. It must maintain consistent tension across thousands of cycles per minute to ensure proper sealing, correct combustion chamber pressure, and efficient engine breathing. When a valve spring weakens, cracks, or breaks, the affected valve may not seat fully, leading to compression loss, rough running, increased fuel consumption, or more serious internal engine damage if left unaddressed.
Part Details
| Part Number | 5000157486 |
|---|---|
| Old Part Number | 0157486 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Valve Spring |
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.