Description
Lock set for Citroën C4 Picasso first series. Driver’s door, ignition switch plus 2 x key.
Product Overview
This complete lock set is designed for Citroën C4 Picasso first‑generation vehicles and includes the driver’s door lock, ignition switch/ignition barrel and two keys. Supplied as a ready‑to‑install replacement for worn or damaged locking components, the kit restores mechanical security and basic ignition functionality. The part codes 4162KF, 4162KC and 4162XT are commonly used when searching for the correct replacement on parts databases and online catalogs.
Who Is This For
Ideal for professional auto technicians and experienced DIY enthusiasts repairing Citroën C4 Picasso vehicles. The kit is suitable when the door lock is sticking, the ignition barrel is worn or keys are damaged or broken. Because many customers search by product code, listing these codes increases findability during parts lookup.
Features And Benefits
- Complete set: Driver door lock, ignition switch/ignition barrel and two matching keys.
- Direct replacement for original style locks used on Citroën C4 Picasso first series.
- Restores reliable locking and ignition operation—reduces risk of key breakage and ignition failure.
- Supplies two keys for immediate use and spare key retention.
Technical Information
- Manufacturer: Stellantis / Citroën / Peugeot
- Model: Citroën C4 Picasso (First Series)
- Product Codes: 4162KF, 4162KC, 4162XT
- Additional Numbers: Common aftermarket reference codes 4162KF / 4162KC / 4162XT
Installation Recommendations
Disconnect the vehicle battery before beginning work to avoid electrical damage and unintended locking. Typical replacement steps include removal of the interior door trim to access the door lock assembly, unfastening mounting screws, disconnecting electrical connectors for central locking (if applicable) and fitting the new lock. For the ignition barrel, remove steering column covers, extract the old barrel and install the new unit with care to align tumblers and keyway. After installation, verify mechanical operation of the door and ignition, ensure smooth key insertion/removal and test central locking functions if present.
Why Locks Fail And How Often
Lock cylinders and door lock mechanisms wear due to repeated use, contamination and corrosion. Common failure causes include worn tumblers in the ignition barrel, broken plastic components inside the door lock actuator, key wear or bending, and water ingress causing corrosion. Lifetime varies with vehicle use and environment; high‑use vehicles or those exposed to moisture and dirt will show symptoms sooner. Regular maintenance and using a spare key can extend service life.
Additional Notes
When replacing locking components, check the condition of the associated linkages, actuator electrical connectors and door latches. If central locking or immobilizer integration is present, ensure that mechanical and electrical connections are correctly reassembled and that keys operate all functions. For complex electronic immobilizer or key‑programming issues, professional diagnostic equipment may be required.
Compatible Searches
Search terms to improve findability: 4162KF, 4162KC, 4162XT, Lock Set Citroën C4 Picasso, Driver Door Lock C4 Picasso, Ignition Barrel C4 Picasso, Keys C4 Picasso.







