Description
Lock set for CITROEN C8 and Peugeot 807
Driver door, passenger door, fuel flap and ignition barrel + 2x key
One key has a damaged cover
This complete lock kit is designed for Citroën C8 and Peugeot 807 owners and professionals who need a straightforward replacement of door locks and ignition barrel. The set includes driver and passenger door locks, the fuel flap lock, the ignition barrel and two keys (note: one key has a damaged cover). Supplied part numbers make it easy to find the right item in parts catalogs and speed up fitting in a workshop environment. Ideal for mechanics and competent DIYers performing body and locking system repairs.
Technical Information
Manufacturer: Stellantis (Citroën / Peugeot)
Model: Citroën C8, Peugeot 807
Product Codes: 4162KQ, 4162KF
Additional Numbers: 4162XT, 4162TH, 4162KN
Installation Recommendations
Fitment is straightforward for experienced technicians. Typical steps for door lock cylinders: remove the interior door trim, detach the lock rod and electrical connectors (if present), release the retaining clip or screws holding the cylinder, then withdraw the cylinder and replace it with the new unit. For the ignition barrel: disconnect the vehicle battery before starting, remove steering column shrouds, release the retaining tab or screw, remove the old barrel and install the new one while ensuring correct alignment of the steering lock and ignition switch. After installation, check mechanical operation and central locking function. Use a graphite or silicone-based lock lubricant; avoid oil-based lubricants that attract dirt. Replace the damaged key cover or order a new shell to prevent premature wear of the key head and to maintain comfortable handling.
Why This Part Fails Most Often
Lock cylinders and ignition barrels commonly fail because of normal wear of internal tumblers and keys, corrosion from moisture ingress, or damage caused by worn or bent keys. Dirt and rust can cause sticking or difficulty turning the key. Repeated forceful turning with a worn key often damages the cylinder. For ignition barrels, failure can also result from electrical faults in the ignition switch assembly or from broken retaining components due to excessive torque.
Overall, replacing the entire lock set at once ensures matched security and reduces repeated visits: new cylinders and keys restore reliable operation and improve vehicle convenience and safety.








