Description
Lock Set For Citroën C4 Picasso First Series. Driver Door, Ignition Barrel Plus 3 Keys
Overview
Complete lock set designed for the first‑generation Citroën C4 Picasso. This kit includes the driver’s door lock assembly, ignition barrel and three keys — a practical solution for workshops and DIY enthusiasts restoring access and security to vehicles after key loss, cylinder wear or crash damage. Keywords: Citroën C4 Picasso lock set, door lock, ignition barrel, keys, 4162KF, 4162KC, 4162XT.
Suitable Vehicles
Direct fit for Citroën C4 Picasso First Generation. Typically compatible with model years of the first series; always verify physical match with the original components before installation.
What The Kit Does
- Restores mechanical locking of the driver door.
- Replaces worn or damaged ignition barrel to allow smooth key operation and reliable engine start/immobiliser interaction.
- Provides three keys to replace lost or damaged keys and reduce downtime for fleet and workshop repairs.
Technical Information
- Manufacturer: Stellantis / Citroën / Peugeot
- Model: C4 Picasso (First Generation)
- Product Codes: 4162KF, 4162KC, 4162XT
- Additional Numbers: N/A
Installation Recommendations
Recommended for experienced mechanics or competent DIYers. Typical installation steps:
- Disconnect the negative battery terminal before starting to avoid electrical shorts and to protect electronic systems.
- For Door Lock: Remove inner door trim, detach water shield, unplug central locking connector and linkages, remove retaining screws/bolts and extract the lock unit. Fit the new lock, reconnect linkages and electrical connector, test mechanical and electrical function before reassembling the door panel.
- For Ignition Barrel: Remove steering column covers, release the barrel retaining clip and slide out the old cylinder. Install the new barrel and ensure the steering lock and ignition switch positions operate correctly. When fitted, check that all key positions (accessory, on, start) engage smoothly.
- Lubricate moving parts with appropriate lock grease or silicone lubricant; avoid using penetrating oils that attract dirt.
- If keys contain an immobiliser/transponder, reprogramming may be required for the engine to start. Have key programming performed with appropriate diagnostic equipment if necessary.
Why This Part Fails
- Wear And Tear: Frequent use causes tumbler and cylinder wear leading to key play or jamming.
- Corrosion And Water Ingress: Moisture entering door cavities can corrode mechanisms and electrics, especially in older vehicles.
- Broken Plastic Actuators Or Linkages: Internal plastic clips and levers can fracture, preventing the lock from operating.
- Key Damage: Worn or bent keys can damage the cylinder or fail to engage tumblers correctly.
- Impact Damage: Collision or forced entry often damages door locks and ignition barrels beyond repair.
Practical Tips For Workshops
- Keep one original lock apart as a reference when fitting replacement units to ensure correct orientation and cable routing.
- Inspect the central locking motor and actuator condition while the door panel is removed — replacing the entire lock assembly is more time‑efficient when multiple components show wear.
- Test all functions (mechanical lock, central locking, ignition switch positions and key turn) before final reassembly to avoid repeat disassembly.
Notes
This product list is based on the supplied product codes and vehicle model. Verify the physical match of the lock housing, mounting points and connector type against the vehicle’s original parts prior to fitting.
