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Volvo Synchronizer Hub 21233970 VT VTO Gearbox Transmission Component
Volvo synchronizer hub 21233970 compatible with VT and VTO gearbox series. Cross reference 7421233970. Used in FM FH VM truck transmission repair and overhaul.
Product Details
Volvo Synchronizer Hub 21233970 for VT and VTO Truck Transmission Systems
The synchronizer hub OEM 21233970 is a core component in Volvo manual transmission systems, responsible for matching gear speeds during shifting. It is widely used in VT and VTO series gearboxes and is typically replaced during transmission overhaul or synchronizer wear repair.
Full Volvo transmission range: volvo-transmission
Cross Reference and Compatibility
| Interchangeable Brands | Renault, Volvo |
| OEM Numbers | 7421233970, 21233970 |
| Gearbox Series | VT Series, VTO Series |
| Transmission Versions | VT2214B, VT2514B, VT2814B, VTO2214B, VTO2514B, VTO2814B |
| Vehicle Applications | Volvo FM9, FM12, FH12, FH16, FM, FH, VM |
Technical Specifications
| Component Type | Synchronizer Hub |
| Function | Gear speed synchronization |
| Material | Heat treated alloy steel |
| Application | Manual truck transmission |
| Condition | OEM replacement |
Application Scenarios
- Volvo VT/VTO gearbox overhaul projects
- Synchronizer system repair in fleet maintenance workshops
- Heavy duty truck transmission rebuild operations
- Long haul vehicle gearbox servicing
Transmission Synchronizing Component for Volvo Heavy Duty Gearboxes
This synchronizer hub is designed for Volvo manual transmission systems used in heavy duty commercial trucks. It plays a key role in matching gear speeds during shifting, helping reduce friction and ensuring stable engagement under load.
OEM reference 21233970 is commonly used in VT and VTO gearbox platforms and is typically replaced during synchronizer system repair or full transmission overhaul.
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