The Wacker Neuson Engine On/Off Switch is a genuine OEM component designed for the BV50A-P, P35A, and BV50A-H series backpack vibrators. As a direct factory replacement, this switch delivers the correct electrical contact rating and actuation feel specified for these machines, ensuring the engine starts and stops exactly as intended. Sourced directly from Wacker Neuson, part is the same switch installed during original production — no guesswork on compatibility across the BV50A-P and P35A model families.
Key Features
- Correct Contact Rating for the Application — Engineered to the exact electrical specification required by the BV50A-P, P35A, and BV50A-H engines, so switching behavior matches the original design.
- Drop-In OEM Replacement — Mounts and connects identically to the original switch position, using the same connector and mounting points already present on your machine.
- Broad Fitment Across Wacker Neuson Backpack Vibrator Families — Confirmed for multiple BV50A-P configurations and all P35A variants, covering a wide range of serial number ranges within these series.
- Keeps Your Engine Under Positive Operator Control — A worn or intermittent switch can cause unexpected shutdowns mid-pour or prevent the engine from starting at the worksite; a fresh OEM switch restores crisp, predictable response.
- Electrical Safety Compliance — As a genuine Wacker Neuson part, this switch meets the electrical isolation and insulation requirements of the original machine design — important for operator safety on a hand-held, vibration-intensive tool.
The engine on/off switch is the primary operator control that opens and closes the ignition circuit on a backpack vibrator, allowing the engine to be started and shut down safely. On machines like the BV50A-P and P35A, the switch is subject to constant vibration and outdoor exposure, which can cause contact wear, intermittent connection, or complete failure over time. A faulty switch may leave the engine unable to start or, in some cases, unable to be turned off — both of which interrupt work and present a safety concern for the operator.
Part Details
| Part Number | 5000187142 |
|---|---|
| Old Part Number | 0187142 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Engine On/Off Switch |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Backpack Vibrator | BV50A-P | 5000620399, 5000620764, 5000620767 |
| Backpack Vibrator | BV50A-P EU | 5000620892 |
| P35A | P35A | 5000620956, 5000620958, 5100057755, 5100057756 |
| P35A | P35A EU | 5000620957 |
| BV50A-H Backpack Vibrator | BV50A-H | 5200016908 |
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.
