The Multiquip 90004-05 Shaft Coupling 314V (SVA-1) is a genuine OEM component designed for CV1A, CV2A, CV2B, CV3A, and CV3B concrete vibrators. Sourced directly from Multiquip, this coupling is built to the exact tolerances required for proper power transmission between the drive motor and flex shaft assembly. If you are servicing an older 314V or SVA-1 series vibrator unit, part number 90004-05 is the correct OEM replacement to restore full function.
Key Features
- Genuine OEM Torque Tolerance: — Manufactured to Multiquip's original coupling specifications, ensuring the correct torsional load capacity for vibrator drive systems.
- Direct-Fit Installation: — Engineered to seat correctly into the 314V and SVA-1 series drive interface without modification or adapter hardware.
- Broad Vibrator Compatibility: — Fits CV1A, CV2A, CV2B, CV3A, and CV3B Multiquip concrete vibrator models.
- Sustained Power Transfer: — A functioning shaft coupling maintains uninterrupted rotational drive to the flex shaft; a worn or cracked coupling causes vibration loss, erratic output, or complete head failure.
- Drive System Safety: — A failed coupling under load can result in sudden shaft disengagement; replacing with a genuine OEM part ensures the connection holds reliably during continuous vibrator operation.
The shaft coupling is a critical mechanical link in a concrete vibrator's drive train. It connects the motor output shaft to the flex shaft, transmitting rotational energy down to the vibrating head submerged in fresh concrete. When the coupling wears, cracks, or shears, the head loses vibration output entirely — leaving air pockets and honeycombing in the pour. Replacing a damaged coupling promptly with the correct OEM part restores full consolidation performance and protects the flex shaft and head from secondary damage caused by an unbalanced or intermittent drive connection.
Part Details
| Part Number | 90004-05 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Shaft Coupling 314V (SVA-1) |
Compatibility & Fitment
| Name | Model |
|---|---|
| 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.
