Bentley Bentayga Steering Stabilizer / Active Anti-Roll Bar – OEM Part #4M0511023T
The 4M0511023T is an OEM active stabilizer bar (anti-roll / sway bar system) used on the Bentley Bentayga SUV platform.
It is not a simple static bar — it is part of Bentley’s active chassis system, designed to automatically reduce body roll during cornering while maintaining ride comfort.
This system is especially used on higher-spec Bentayga models with dynamic chassis control.
Technical Specifications
| Specification | Details |
|---|---|
| OEM Part Number | 4M0511023T |
| Vehicle Model | Bentley Bentayga |
| System Type | Active Stabilizer / Anti-Roll Bar |
| Position | Rear axle (commonly) |
| Technology | Hydraulic / electronic active control |
| Function | Reduces body roll during cornering |
| Integration | Works with suspension control ECU |
| Material | High-strength steel + actuator assembly |
| Condition | OEM used / refurbished / new |
Key Features
Active Chassis Control
- Automatically adjusts stiffness during driving
- Reduces SUV body roll in corners
- Improves stability at high speed
Luxury Performance Balance
- Keeps ride comfort in straight driving
- Activates firm control only when needed
- Designed for Bentley comfort + performance balance
Integrated Electronic System
- Controlled by vehicle suspension ECU
- Works with air suspension system
- Includes wiring and actuator components
Vehicle Compatibility
Fits selected:
- Bentley Bentayga (2016–2024 depending on variant)
- V8 models (with active chassis option)
- W12 models
- Performance / Speed trims (spec-dependent)
Always verify:
- VIN number
- Active chassis option code
- Rear vs front stabilizer configuration
- ECU compatibility
Installation Notes
- Professional installation required
- Requires ECU calibration after fitting
- Suspension system must be depressurized before removal
- Alignment and dynamic calibration recommended
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