Description
Electric lock for the left front (driver’s) door for PEUGEOT 407.
This electric left front door lock is designed for Peugeot 407 vehicles and is a direct-fit replacement for the driver’s door. Ideal for professional workshops and experienced DIY mechanics, the unit restores secure central locking and mechanical latching when the original lock has failed. The part is frequently searched by its product numbers (9681333380, 9135AY, 9135FN), so ordering by code ensures fast identification and compatibility with most 407 variants.
Technical Information
- Manufacturer: Stellantis / Peugeot
- Model: Peugeot 407
- Product Codes: 9681333380, 9135AY, 9135FN
- Additional Numbers: Q00 (as referenced)
Application And Compatibility
Fits Left Front (Driver’s) Door On Peugeot 407 Models. This lock is commonly used across Peugeot 407 body styles; compatibility is usually confirmed by matching the part number stamped on the original unit. Searching by OE codes (9681333380 / 9135AY / 9135FN) is the most reliable method to find the correct replacement.
Installation Recommendations
- Always disconnect the battery before starting work to avoid short circuits and accidental actuator activation.
- Remove the inner door trim and carefully peel back the moisture barrier to access the lock assembly and wiring harness.
- Unplug the electrical connector and detach linkage rods from the lock (note positions for reassembly).
- Remove the retaining bolts and extract the lock from the door shell; fit the new lock and reattach rods and connector.
- Before refitting the door trim, test mechanical operation and central locking function (lock/unlock with key and remote if fitted).
- Check striker alignment and lubricate moving parts with a suitable light grease to ensure smooth latching.
- If electrical faults persist after replacement, inspect wiring, ground connections and connector pins for corrosion or damage.
How The Part Is Replaced On The Car
Replacement requires access from inside the door: remove the door card, release the moisture barrier, disconnect the electrical connector and linkage rods, undo the fixing screws and remove the old lock. Install the new unit in reverse order, ensuring linkage rods are correctly seated and electrical connector is fully engaged. Test locking and unlocking operations before reassembling the door trim.
Why This Part Most Commonly Fails
Common causes of failure include mechanical wear of plastic and metal components, actuator motor wear, water ingress and corrosion of internal linkages or electrical contacts. Impact or forced entry can deform the latch mechanism. Symptoms typically include inability to lock/unlock the door, intermittent central locking operation, or a door that will not fully latch.
Notes For Buyers
Part numbers 9681333380, 9135AY and 9135FN are often used by workshops and parts databases to identify the correct unit. When replacing a door lock, check the original part code and the connector/rod configuration to ensure a direct fit. Suitable for professional fitting or for competent DIY mechanics familiar with door trim removal and basic electrical checks.
