Description
Steering column for Citroën C4 B7, DS4 and Peugeot 308
Overview
This steering column is a direct-fit replacement designed for select Citroën and Peugeot models. It connects the steering wheel to the steering gear, houses mechanical and electrical components such as tilt and telescopic mechanisms, ignition barrel interface and often the steering angle sensor. The part is commonly searched by product code 4123GP and is suitable for workshop professionals and experienced DIYers who maintain Stellantis family vehicles.
Key Features
- Direct fit for Citroën C4 II (B7), DS4 and Peugeot 308 where specified.
- Includes mounting points and electrical connectors compatible with original vehicle harnesses.
- Designed to accept factory steering wheel, airbag and controls when reinstalled.
- Often referenced by code 4123GP for fast search and identification.
Technical Information
- Manufacturer: Stellantis (Citroën / Peugeot)
- Model: Citroën C4 II (B7), DS4, Peugeot 308
- Product Codes: 4123GP
- Additional Numbers: No further reference numbers provided
Installation Recommendations
Familiarity with vehicle safety systems and proper tools is required. Typical replacement steps used by professionals:
- Disconnect the battery and wait the manufacturer recommended time to ensure airbags and pyrotechnic circuits are de-energized.
- Mark steering wheel orientation relative to the column to preserve centering.
- Remove airbag module and steering wheel following the vehicle maker procedure.
- Remove lower and upper trim covers and unplug electrical connectors for switches, airbag and sensors.
- Unbolt the column from the mounting points and from the intermediate shaft or universal joint.
- Install the replacement column, aligning previously made marks, secure fasteners to manufacturer torque specs and reconnect all electrical connectors.
- Reinstall steering wheel and airbag, reconnect the battery and clear any fault codes.
- Perform steering angle sensor calibration and full system check with a diagnostic tool. Professional equipment is recommended for accurate initialization of sensors and immobilizer-related functions.
Why This Part Most Often Fails
- Mechanical Wear: Bearings, bushings or telescopic/tilt mechanisms can wear over time, causing play, noise or stiffness.
- Electrical Failures: Motors for electric adjustment, contact rings or wiring connectors can fail or corrode, leading to intermittent operation of controls or warning lights.
- Steering Angle Sensor Faults: Sensors mounted on or inside the column can drift or fail, triggering ESP/airbag warnings and requiring recalibration or replacement.
- Impact Damage: Collisions or strong impacts can bend or damage the column, making replacement necessary for safety reasons.
- Ignition Lock Wear: If the ignition barrel is integrated or mounted on the column, worn tumblers can cause key recognition issues.
Service Life And Symptoms
There is no fixed replacement interval. Replace the column when symptoms appear such as excessive play in the steering wheel, unusual noises during adjustment, malfunctioning tilt/telescopic functions, persistent ESP or airbag warnings, or after impact damage. Proper diagnosis should confirm column-related faults before replacement.
Search Tips
Customers and technicians often find this item by searching the product code 4123GP together with the vehicle model (for example Citroën C4 II 4123GP or Peugeot 308 4123GP). Use exact model designation and code to speed up parts identification.
Notes
Replacement and calibration of steering column components can affect safety systems. If unsure, have installation and electronic initialization performed by a qualified technician with appropriate diagnostic equipment for PSA/ Stellantis vehicles.
