The Wacker Neuson is a genuine OEM Plunger Spacer designed for BV35A-P, BV50A-P, and BV50A-H series backpack concrete vibrators. As a factory-sourced component, the is manufactured to the exact dimensional tolerances required to maintain correct plunger alignment and stroke consistency within the vibrator head assembly. This part fits multiple BV series configurations, including both the BV35A-P and BV50A-P backpack models as well as the BV50A-H variant. Ordering by part number ensures you receive the correct spacer for your machine without guesswork.
Key Features
- Exact OEM Dimensional Tolerancing — Manufactured to precise thickness and diameter specs so the plunger maintains correct stroke geometry inside the vibrator head.
- Drop-In Fitment for BV Series Backpack Vibrators — Installs directly into the vibrator head assembly on BV35A-P, BV50A-P, and BV50A-H models without modification to the housing or plunger shaft.
- Broad BV Series Coverage — Compatible across multiple BV35A-P and BV50A-P configurations, including EU-spec variants and SPM2/SPM4 backpack combinations, as well as the BV50A-H.
- Preserves Vibration Frequency and Amplitude — A correctly fitted spacer keeps the plunger centered and running true; a worn or incorrectly sized spacer causes uneven vibration output and accelerated wear on surrounding components.
- Genuine Wacker Neuson OEM Part — Sourced directly from Wacker Neuson, ensuring the part meets the same material and dimensional standards as the original component installed at the factory.
The Plunger Spacer is a precision positioning component located within the internal vibrator head of a backpack concrete vibrator. Its role is to set and maintain the correct axial position of the plunger, ensuring the vibrating element operates at the intended frequency and eccentric force. When the spacer wears down or fails, plunger movement becomes inconsistent, leading to a loss of vibration output, increased stress on the plunger shaft, and potential damage to the vibrator head housing.
Part Details
| Part Number | 5000174478 |
|---|---|
| Old Part Number | 0174478 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Plunger Spacer |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| BV 35A-P Backpack Vibrator | BV35A-P | 5000620398, 5000620617 |
| Backpack Vibrator | BV35A-P EU | 5000620891 |
| Backpack Vibrator | BV50A-P | 5000620399, 5000620764, 5000620767 |
| Backpack Vibrator | BV50A-P EU | 5000620892 |
| BV50A-H Backpack Vibrator | BV50A-H | 5200016908, 5100041314 |
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.
