Description
Lock set for Citroën C4 Picasso vehicles. Driver’s door, ignition barrel plus 1 x key.
Product Overview
This complete lock set is designed for the driver side of the Citroën C4 Picasso and includes the door lock mechanism, ignition barrel and one matching key. It is aimed at professional technicians and DIY mechanics who need a reliable replacement for worn or damaged locking components. The set is supplied with OEM-related product codes and fits original-style mounting points to simplify installation.
Key Benefits
- Direct replacement for driver door lock and ignition barrel in Citroën C4 Picasso models.
- Supplied with one matching key to restore single-key operation immediately after fitting.
- Useful for repairs after mechanical failure, forced entry or key breakage.
- Product codes included to help you find the correct part quickly: 4162KF, 4162KC, 4162XT.
Technical Information
- Manufacturer: Stellantis / Citroën / Peugeot
- Model: Citroën C4 Picasso
- Product Codes: 4162KF, 4162KC, 4162XT
- Additional Numbers: (other reference numbers that may appear in listings or on original parts)
Compatibility And Notes
The set is intended for Citroën C4 Picasso vehicles. Verify fitment by comparing product codes and the physical shape of the original parts before installation. The set is geared towards the driver side lock assembly and ignition barrel as supplied; applications that use different door lock variants or electronic locking modules may require additional parts.
Installation Recommendations
Recommended for experienced mechanics or competent DIYers. Typical replacement steps:
- Disconnect the vehicle battery before starting work to avoid electrical shorts and to protect vehicle electronics.
- Remove the interior door trim and any vapor barriers to access the lock mechanism.
- Unhook linkages and electrical connectors (if present) and remove retaining screws or clips securing the lock assembly.
- Withdraw the old lock assembly and ignition barrel, then install the new barrel and lock in reverse order, ensuring linkages are correctly seated and the latch operates smoothly.
- If the supplied key includes a transponder, follow vehicle procedures for key learning/programming where applicable; consult workshop manual or dealer-level diagnostic tool for transponder programming.
- Before refitting trim, verify mechanical operation of the lock (manual key turn), door locking/unlocking and ignition switch function.
Tools And Consumables
- Torx and metric sockets/screwdrivers
- Trim removal tools
- Lubricant suitable for locks (graphite recommended for cylinders)
- Replacement clips or fasteners as needed
Why This Part Commonly Fails
- Mechanical Wear: Frequent use causes tumblers and levers inside the lock and ignition barrel to wear, leading to increased play, sticking or failure to turn.
- Corrosion and Moisture Ingress: Water or road salt can corrode internal components, particularly in door locks, causing jamming or rough operation.
- Broken Linkages And Clips: Door lock linkages and retaining clips can fatigue or snap, preventing proper actuation of the latch.
- Key Damage: Worn or damaged keys may not operate the cylinder reliably; broken key bits can immobilize the lock.
- Force Or Impact: Damage from attempted theft, impacts or slammed doors with an obstructed latch can deform components.
Maintenance Tips
- Lubricate lock cylinders periodically with graphite or manufacturer-recommended lubricant to prolong life.
- Avoid using oil-based sprays inside the cylinder as these can attract dirt and accelerate wear.
- Inspect door linkages and fasteners when servicing to catch worn clips or cables before failure.
- If keys show wear, have a replacement cut to avoid damaging a new cylinder.
Additional Information
This lock set is a practical repair option for restoring mechanical function and security to the driver side of the Citroën C4 Picasso. Always follow the vehicle manufacturer’s service documentation for torque values, safety precautions and final checks after fitting. If the key supplied contains an immobilizer transponder, vehicle-side programming may be required to restore engine start security.
