The Wacker Neuson Valve Spring Retainer is a genuine OEM component designed for the P35A power unit, BV35A-P backpack vibrator, PV35A pole vibrator, and PG1 dewatering pump series. As a factory-sourced part, it is manufactured to the exact tolerances required to keep the valve train operating correctly within these compact four-stroke engines. This retainer fits across both standard and EU-spec variants of the P35A, BV35A-P, and PV35A, making it a versatile stocking item for dealers and contractors running Wacker Neuson equipment. Confirm your model number before ordering to ensure correct fitment from the full compatibility list.
Key Features
- OEM Valve Train Tolerancing — Manufactured to Wacker Neuson's exact dimensional spec, ensuring the retainer seats and locks the valve spring at the correct height and tension for consistent engine performance.
- Drop-In Replacement — Matches the original retainer profile, installing directly onto the valve stem without modification or special tooling beyond standard engine service equipment.
- Broad Series Compatibility — Fits P35A power units, BV35A-P backpack vibrators, PV35A pole vibrators, and PG1 dewatering pumps, covering both standard and EU-spec configurations.
- Sustained Valve Spring Tension — A correctly installed retainer holds proper spring preload, supporting clean valve seating and preventing compression loss or erratic engine behavior over extended use.
- Fuel System Integrity — Proper valve spring retention is critical to maintaining compression sealing; a worn or failed retainer can allow valve float, leading to hard starts, power loss, or engine damage.
The valve spring retainer is a small but critical component in the engine's valve train. It locks the valve spring in place on the valve stem, maintaining the correct spring tension that keeps the intake and exhaust valves closing fully and seating properly. When a retainer cracks, wears, or dislodges, the spring loses its controlled preload — this can cause a valve to float or fail to seal, resulting in compression loss, rough running, or, in severe cases, internal engine damage. Replacing a failed retainer promptly with a correct OEM part restores proper valve control and protects the engine from further wear.
Part Details
| Part Number | 5000217158 |
|---|---|
| Old Part Number | 0217158 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Valve Spring Retainer |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| BV 35A-P Backpack Vibrator | BV35A-P | 5000620398, 5000620617 |
| Pole Vibrator | PV35A | 5000620401, 5000620618 |
| Pole Vibrator | PV35A EU | 5000620890 |
| Backpack Vibrator | BV35A-P EU | 5000620891 |
| P35A Power Unit | P35A | 5000620364, 5000620956, 5000620958, 5100057755, 5100057756, 5000620616 |
| Power Unit for Wet Screed | P35A EU | 5000620851, 5000620957 |
| 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.
