The Wacker Neuson Primer Pump is a genuine OEM component designed for BV35A-P Backpack Vibrators, PV35A Pole Vibrators, P35A and P31A Power Units, and the PG1 Dewatering Pump. As a factory-sourced part, it carries the exact specifications Wacker Neuson built into the original machine — no guesswork on fitment or function. This primer pump serves a broad range of P35A and P31A series variants, making it a go-to stocking part for fleets running multiple units across these product lines. Replace a failing primer pump promptly to keep your equipment starting reliably in the field.
Key Features
- Genuine OEM Fuel Delivery Integrity — Sourced directly from Wacker Neuson, this primer pump meets the precise flow and seal specifications required for consistent fuel priming on small-engine equipment.
- Drop-In Fitment Across Multiple Models — Engineered to match the original mounting points and fuel line connections on BV35A-P, PV35A, P35A, P31A, and PG1 units — installs the same way the factory part came out.
- Broad Series Compatibility — Covers an extensive range of Wacker Neuson P35A and P31A Power Unit variants, BV35A-P Backpack Vibrators, PV35A Pole Vibrators, and the PG1 Dewatering Pump.
- Dependable Cold-Start Performance — A correctly functioning primer pump delivers the initial fuel charge the carburetor needs to start efficiently; a cracked or hardened bulb causes hard-start or no-start conditions that halt work.
- Fuel System Safety — Primer pump integrity directly affects fuel containment; a deteriorated bulb can allow fuel seepage near the engine, making timely replacement an important safety measure on fuel-system components.
A primer pump — also called a primer bulb — is a small, manually operated fuel-delivery component located in the fuel line between the tank and the carburetor. Pressing the bulb draws fuel through the system and primes the carburetor before starting, which is especially important after the machine has sat unused or after a fuel system service. When the primer pump cracks, stiffens, or loses its check-valve seal, it can no longer draw fuel effectively, resulting in difficult starts, excessive cranking, or a complete no-start condition. Replacing a worn primer pump restores the quick, consistent starting performance these power units and vibrators are built to deliver.
Part Details
| Part Number | 5000157510 |
|---|---|
| Old Part Number | 0157510 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Primer Pump |
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 |
| Power Unit for Wet Screed | P31A | 5000009365 |
| 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.
