The Multiquip 50125-04 Plastic Quick Disconnect Knob is a genuine OEM component designed for BPX, CV1A, CV2A, CV2B, CV3A, and CV3B concrete vibrators. Sourced directly from Multiquip, this part delivers the exact fit and function required to keep your flex-shaft vibrator system operating correctly. Confirmed fitment spans the BPX backpack vibrator series as well as the CV1A through CV3B vibrator units, making it a straightforward service item across a wide range of Multiquip vibrator equipment.
Key Features
- Genuine OEM Construction — Manufactured to Multiquip's original material and dimensional specifications for the plastic quick disconnect knob, ensuring proper engagement and release of the flex-shaft connection.
- Direct Drop-In Replacement — Installs directly onto the flex-shaft coupling point without modification, restoring the quick-release function to its original operating condition.
- Broad Vibrator Compatibility — Fits BPX, CV1A, CV2A, CV2B, CV3A, and CV3B Multiquip concrete vibrators, covering both backpack and handheld flex-shaft vibrator configurations.
- Maintains Fast Shaft Changes — A properly functioning disconnect knob allows operators to swap flex shafts and vibrator heads quickly on the job, keeping concrete consolidation work moving without delay.
- Operational Safety — A worn or cracked disconnect knob can cause unintended shaft release during operation; replacing it with a genuine OEM part restores secure, controlled disconnection.
The plastic quick disconnect knob is the operator-facing locking mechanism that secures the flex shaft to the vibrator's drive unit. When engaged, it locks the shaft coupling in place so power transfers cleanly from the motor to the vibrator head; when released, it allows the shaft to be disconnected quickly for transport, storage, or head changes. Over time, the plastic body can crack, strip, or lose its locking tension, preventing the shaft from seating securely and creating the risk of accidental disengagement during use. Replacing the knob restores confident, tool-free shaft connection and removal.
Part Details
| Part Number | 50125-04 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Plastic Quick Disconnect Knob |
Compatibility & Fitment
| Name | Model |
|---|---|
| Vibrators | BPX |
| Vibrators | CV1A |
| Vibrators | CV2A |
| Vibrators | CV2B |
| Vibrators | CV3A |
| Vibrators | CV3B |
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.
