Description
Electric lock for right rear door for PEUGEOT 407. Passenger side rear door.
Product Overview
This electric door lock/latch is designed for the right rear (passenger side) door of the Peugeot 407. It integrates the locking actuator and mechanical latch to control door locking and central locking functions. The unit is suitable for workshop replacement by professional technicians and experienced DIY enthusiasts who perform body and electrical repairs. Common search terms include Peugeot 407 door lock, right rear door lock, door latch actuator, and product codes 9681337280, 9138N7, 9138V0.
Technical Information
- Manufacturer: Stellantis / Peugeot
- Model: Peugeot 407
- Product Codes: 9681337280, 9138N7
- Other Numbers: 9138V0
Function And Symptoms
The lock assembly controls mechanical latching and the electric locking/unlocking function via an internal actuator. Symptoms of a failing unit include: door not locking or unlocking with central locking, intermittent operation, noisy motor or grinding sounds inside the door, or the door failing to latch securely. In some cases the door may appear stuck or require manual force to open.
Common Causes Of Failure
- Wear Of Internal Gears Or Actuator Motor: Plastic gears inside the actuator can wear or strip over time, causing loss of movement.
- Water Ingress And Corrosion: Moisture entering the assembly can corrode contacts or mechanically seize moving parts.
- Mechanical Damage: Impact from door damage or improper handling during previous repairs can deform linkages or mounting points.
- Electrical Issues: Connector corrosion, broken wires, or intermittent contacts can interrupt power to the actuator.
Installation Recommendation
Recommended for fitment by authorised workshops or experienced DIYers. Typical replacement steps:
- Remove the interior door trim and any vapor barrier carefully to access the latch area.
- Disconnect the electrical connector to the lock actuator and detach any rods or clips linking the latch to the door handle and lock mechanism. Note the orientation and clip positions for reassembly.
- Unbolt the latch assembly from the door shell and remove it. Transfer any seal plates or guide plates if required by the new unit.
- Fit the new lock assembly, secure bolts to the original holes, reconnect rods and clips, and plug in the electrical connector.
- Before refitting the trim, test the locking and unlocking with the key, central locking switch, and manual handle to ensure correct function and alignment.
- Reassemble the vapor barrier and door trim after confirming proper operation.
Safety Tips: Disconnecting the battery is recommended before working on electrical components to avoid short circuits. Test the unit fully before final reassembly and avoid forcing linkages—ensure clips are correctly engaged. Use appropriate hand tools and keep fasteners secure.
Practical Tips For Longevity
- Ensure door seals and drainage channels are clear to prevent water ingress around the latch area.
- Keep linkage points lightly lubricated with suitable grease to reduce wear on plastic components.
- Inspect electrical connectors for corrosion during routine service intervals.
Who Should Install
Suitable for automotive technicians, body shops, and experienced DIY mechanics familiar with door trim removal and vehicle electrical systems. If unsure about electrical diagnostics or complex central locking issues, refer to professional service literature or diagnostic tools.
Compatibility
Direct fit for Peugeot 407 (right rear passenger door) applications where the listed product codes apply. Use the part numbers 9681337280, 9138N7 or 9138V0 when searching for matching units or replacements.
