Description
Electric central locking actuator for the left front door of the Citroën C3. Driver’s door. 5-pin connector.
High-quality door lock actuator designed for the left front (driver’s) door of the Citroën C3. This electric actuator operates the central locking mechanism, delivering reliable lock/unlock response from the remote key fob or door switch. Intended for professional mechanics and competent DIYers, the unit provides an exact-fit replacement for worn or failed original parts and is often searched by its part numbers for quick identification.
Replacement And Installation
Replacement requires basic door trim removal and electrical disconnection. Typical steps: disconnect the negative battery terminal for safety; remove the door card and any moisture shield; detach the actuator linkage and electrical connector; remove mounting screws and fit the new actuator in reverse order. Check operation before reassembling the door trim. Use care when handling plastic clips and the moisture barrier to avoid additional damage.
Technical Information
- Manufacturer: Citroën (Stellantis)
- Model: Citroën C3 (Left Front / Driver’s Door)
- Product Codes: 46982980, 9135N0, 9135.N0
- Other Numbers: NFP
Installation Recommendations
- Disconnect the battery before starting work to prevent short circuits and accidental actuation.
- Work on a clean, dry surface; protect door trim and glass from damage.
- Inspect and, if necessary, replace any damaged mounting clips or linkage rods to ensure proper function.
- After installation, cycle the lock several times and verify both remote and manual operation before final assembly.
- Apply dielectric grease to the electrical connector contacts if corrosion is present or likely, and ensure the moisture barrier is resealed to prevent water ingress.
Most Common Failure Causes
Door lock actuators typically fail due to a combination of mechanical wear and environmental factors. Common reasons include:
- Moisture ingress and corrosion damaging the motor or electrical contacts.
- Worn or broken internal gears, especially in plastic gearsets subject to long-term use.
- Damaged linkage rods or clips that overload the actuator motor.
- Electrical faults such as connector corrosion, short circuits, or wiring damage.
Failures often appear after several years or prolonged exposure to wet conditions. Prompt replacement restores reliable central locking and prevents door latch jams or intermittent operation.
