McLaren 650S Front Shock Absorber 11B1399CP 11B1400CP
McLaren 650S Front Suspension Shock Absorbers
Hydraulic ProActive Chassis Control | With Vehicle Nose Lift
The part numbers 11B1399CP (Front Left) and 11B1400CP (Front Right) designate the factory-original hydraulic shock absorbers for the McLaren 650S. These units are integral to McLaren’s revolutionary ProActive Chassis Control (PCC) system, which replaces traditional anti-roll bars with interconnected hydraulic dampers for superior cornering and ride quality.
These specific part numbers are configured for vehicles equipped with the Vehicle Nose Lift system, featuring the necessary hydraulic actuators to raise the front of the car by 60mm to clear speed bumps and steep inclines.
Technical Specifications
| Feature | Details |
| Part Numbers | 11B1399CP (LH) / 11B1400CP (RH) |
| Compatibility | McLaren 650S (2014–2017), 625C |
| Lift System | With Nose Lift (Self-Leveling / Actuator Integrated) |
| Placement | Front Axle (Sold individually or as a pair) |
| Construction | High-Pressure Hydraulic Mono-tube |
| Interchangeable | Replaces/Interchanges with: 11B1398CP, 11B1733CP, 11B1136CP |
Performance Highlights
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Dual-Function Hydraulics: Manages both high-frequency damping for road comfort and high-load compression for track performance without the physical weight of sway bars.
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Nose Lift Integration: Features internal actuators that interface with the vehicle’s onboard lift pump, preventing front-splitter damage during daily driving.
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Precision Engineering: Manufactured to withstand the extreme pressures of the McLaren hydraulic suspension circuit, maintaining consistent ride height and damping rates.
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Direct OEM Fitment: As an authentic McLaren component, it ensures perfect calibration with the chassis control software, avoiding “Suspension Fault” error codes associated with aftermarket or incorrect part versions.
Service & Maintenance Notes
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Pair Replacement: It is highly recommended to replace front shock absorbers in pairs to maintain balanced handling and prevent uneven tire wear.
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System Bleeding: Installation requires a specialized hydraulic fluid flush and bleed procedure using McLaren diagnostic tools (MDS) to remove air from the PCC system.
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Inspection: Check for “misting” or active fluid leaks around the rod seals. Because these are high-pressure units, even a small leak can lead to a significant loss in handling precision.
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