Product Overview

High-quality electric left-front door lock designed for the Peugeot 407 driver’s door. This unit controls the mechanical locking and unlocking of the door, integrates with the central locking system and the door microswitch, and ensures reliable operation of the driver’s side locking mechanism. The part is commonly searched by its OEM numbers and is suitable for professional workshops and experienced DIY mechanics performing door lock replacements or central-locking repairs.

Why Choose This Door Lock

• Direct-fit design for easy replacement on Peugeot 407 driver side.
• Compatible with central locking systems and standard door actuators.
• Commonly referenced by OEM codes, making online search and ordering straightforward.
• Designed for mechanics and competent DIYers who can follow safe removal and installation procedures.

Technical Information

• Manufacturer: Stellantis (Citroën/Peugeot)
• Model: Peugeot 407 (Left Front Door / Driver’s Door)
• Product Codes: 9659739880; 9135AY; 9135FN; F 00
• Other Numbers: 9135AY | 9135FN | 9659739880

Installation Recommendations

Replacement of the left-front door lock requires removing the interior door trim to access the lock mechanism. Recommended general steps:

• Before starting, disconnect the vehicle battery to avoid short circuits and unintended airbag/central-locking activations.
• Remove door trim and any moisture barriers carefully to preserve clips and seals.
• Disconnect electrical connector(s) to the lock actuator and unclip or detach the mechanical linkages (door handle, latch rods).
• Unbolt the lock assembly from the door and replace with the new unit, ensuring correct orientation of rods and connectors.
• Reconnect wiring and test the lock operation (manual and central lock) before reassembling the door trim.
• Lubricate moving linkages and check door alignment and striker engagement after installation.

For best results, use appropriate trim tools, basic hand tools (screwdrivers, Torx/hex sockets depending on vehicle), and follow the vehicle manufacturer’s removal/reinstallation sequence.

Most Common Failure Causes

• Wear Of Internal Plastic Gears Or Actuator Motor Failure Caused By Age Or Heavy Use.
• Water Ingress Or Corrosion From Damaged Seals Leading To Electrical Faults Or Mechanical Seizure.
• Broken Or Detached Linkage Rods/Clips Due To Impact Or Fatigue.
• Intermittent Operation From Faulty Microswitches Inside The Lock Assembly.
• Damage After Door Impact Or Aftermarket Modifications That Affect Alignment.

Practical Tips For Mechanics And DIYers

• Search By OEM Part Number (9659739880, 9135AY, 9135FN) To Ensure Faster Identification.
• Inspect Door Seals And Water Channels When Replacing The Lock To Prevent Future Water Damage.
• If Central Locking Still Fails After Replacement, Check Wiring, Fuses, And The Central Lock Control Unit Connections.
• Test Lock Function Several Times With Door Open And Closed To Confirm Reliable Operation.

High-quality electric left front door lock designed for Peugeot 407 vehicles. This direct-fit actuator/latch assembly restores reliable central locking and mechanical latching on the driver’s door. Ideal for professional garages and competent DIY enthusiasts who need a durable replacement part that fits OE specifications. Frequently searched by part numbers 9686683680, 9135AY and 9135FN, this unit replaces faulty actuators that cause intermittent locking, stuck doors or failure to secure the vehicle.

Technical Information

• Manufacturer: Stellantis (Citroën / Peugeot)
• Model: Peugeot 407 (Sedan / SW / Coupe — check vehicle application years and trim)
• Product Codes: 9686683680, 9135AY, 9135FN
• Other Numbers: Commonly listed under the above OEM references and compatible replacement listings for Peugeot 407 driver door lock assemblies

Function And Benefits

The door lock assembly integrates the mechanical latch and the electric actuator used by the central locking system. It secures the door in the closed position, provides lock/unlock drive when commanded by the central locking module or remote, and includes mechanical linkages for internal handles and safety catch. Replacing a worn or failed unit restores smooth locking operation, eliminates unusual noises during locking/unlocking, and prevents doors from failing to latch or unlocking unexpectedly.

Replacement Procedure (Overview)

Recommended for qualified mechanics and experienced DIYers. Typical replacement steps:

• Disconnect the vehicle battery before starting to avoid short circuits and prevent central locking faults.
• Remove the interior door panel and any trim needed to access the lock (retain clips and screws).
• Peel back the moisture barrier carefully to access the lock assembly and electrical connector.
• Disconnect the wiring plug and detach the mechanical rods/linkages from the lock.
• Unbolt the lock assembly from the door, fit the new unit, reattach rods and wiring, and secure fasteners to correct torque.
• Test central locking, remote operation, manual lock/unlock and door handle function before refitting the door card. Refit moisture barrier and interior trim.

Installation Recommendations

• Always disconnect the battery before removal/installation and follow manufacturer safety procedures.
• Keep fasteners, clips and trim organized to ensure proper reassembly. Replace any damaged clips or sealant to maintain moisture protection.
• Inspect and, if necessary, lubricate striker, latch surfaces and linkage pivot points with a suitable light grease to reduce wear and noise.
• After fitting, confirm that the door aligns and latches smoothly; adjust the striker if the door does not close correctly.

Most Common Failure Causes

• Water ingress and corrosion due to damaged moisture barrier or worn seals causing motor or contacts to fail.
• Wear of internal plastic gears or actuator motor after many years of use, producing grinding or no movement.
• Broken or detached mechanical linkages and clips that prevent the latch from moving correctly.
• Electrical connector corrosion, wiring fatigue or intermittent contact producing erratic locking behavior.
• Mechanical wear from repeated heavy use or impact/misalignment of the door striker.

Troubleshooting Tips

• If only one door fails, check the connector, wiring and fuses for that circuit before replacing the lock unit.
• Listen for motor noise when actuating lock; no sound may indicate a failed actuator or lost power to the connector.
• Intermittent operation often points to corroded contacts, water damage or worn internal gears rather than a central locking module fault.

Part Number Keywords For Search: 9686683680 / 9135AY / 9135FN — commonly used by technicians and DIY customers when sourcing the left front (driver’s) door lock for Peugeot 407 models.

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.

This Electric Lock For The Left Front Door Is Designed For Peugeot 407 Models And Replaces The Driver Door Latch Assembly. It Controls Mechanical Latching And Works With The Vehicle’S Central Locking System To Lock And Unlock The Door Via The Electric Actuator. Commonly Searched By Part Numbers 9660698280, 9135AY, And 9135FN, This Unit Is Intended For Professional Workshops And Experienced DIYers Who Service Peugeot/Citroën Mechanical And Electrical Door Components.

Key Benefits

– Direct Fit For Driver Side Left Front Door Of Peugeot 407.
– Integrated Electric Actuator And Mechanical Latch For Reliable Central Locking Operation.
– Useful For Replacing Faulty Latches That Cause Incomplete Locking, Door Not Staying Closed, Or Intermittent Central Lock Failures.
– Often Listed By OE Or Supplier Codes 9660698280 / 9135AY / 9135FN Which Makes It Easy To Find When Searching By Part Number.

Symptoms Indicating Replacement

– Door Fails To Lock Or Unlock With Central Locking.
– Door Latch Feels Loose Or Does Not Hold The Door Closed Securely.
– Clicking Or Grinding Noise From Door When Attempting To Lock/Unlock.
– Intermittent Operation That May Work After Multiple Attempts.

Installation Recommendations

– Tools Needed: Trim Removal Tools, Torx/Screwdriver Set, Socket Set, Pliers, Multimeter For Electrical Checks.
– Before Starting, Disconnect The Battery To Prevent Short Circuits And Avoid Unintended Airbag Or Electrical Issues.
– Typical Replacement Steps:
1) Remove Interior Door Trim And Protective Vapor Barrier Carefully To Access The Lock Assembly.
2) Detach The Inner Door Handle Rods And Any Linkages From The Latch (Note Their Positions For Reassembly).
3) Disconnect Electrical Connector To The Lock Actuator.
4) Unscrew The Latch Fasteners And Remove The Old Unit From Inside The Door Shell.
5) Transfer Any Required Linkages Or Brackets To The New Lock If Applicable, Fit New Unit And Secure Fasteners To Manufacturer Torque Specifications.
6) Reconnect Electrical Connector, Test Locking/Unlocking Operation Before Reassembling Door Trim; Verify Both Manual And Central Lock Functions.
7) Refit Vapor Barrier And Door Trim, Check Door Alignment And Proper Operation.

Why The Part Most Commonly Fails

– Mechanical Wear: Plastic Gears Or Internal Components Wear Over Time Leading To Slippage Or Failure.
– Corrosion And Water Ingress: Moisture Entering The Door Can Corrode Pins, Links, Or The Actuator Motor Causing Failure.
– Linkage Breakage Or Bent Rods: Stress From Repeated Use Or Accidental Door Damage Can Deform Linkages And Prevent Correct Operation.
– Electrical Faults: Connector Corrosion, Broken Wires, Or Failed Actuator Motor Result In Loss Of Power To The Lock.
– Lack Of Lubrication Or Debris: Accumulated Dirt Can Jam The Latch Mechanism.

Technical Information

• Manufacturer: Stellantis / Citroën / Peugeot
• Model: Peugeot 407 (Left Front Door, Driver Side)
• Product Codes: 9660698280; 9135AY; 9135FN
• Other Numbers: F 00 (as Appears In Supplier Listing)

Notes For Mechanics And DIYers

When Replacing The Door Lock, Inspect Door Cables, Linkages, And The Inner Door Seal For Damage Or Corrosion. Lubricate Moving Parts With A Suitable Long‑Lasting Grease And Ensure Electrical Connectors Are Clean And Secure. After Installation, Perform Several Lock/Unlock Cycles And Confirm That The Door Latches Securely At All Closing Angles.

Search By Part Number 9660698280 / 9135AY / 9135FN To Quickly Find This Item In Catalogs Or Online Listings. This Description Is Geared Toward Professional Technicians And Skilled Enthusiasts Performing Front Driver Door Lock Replacements On Peugeot 407 Vehicles.

Product Overview

This electric left front door lock (driver’s door) is a direct-fit replacement for the Peugeot 407. Designed for professional workshops and competent DIY mechanics, this unit restores reliable central locking operation, latch release and door security. Commonly referenced by OEM numbers 9683417880, 9135AY and 9135FN, the part is often searched by its product codes when ordering or diagnosing door locking faults.

Features and Function

• Electric Actuation: Operates central locking and remote key locking/unlocking for the left front (driver’s) door.
• Latching Mechanism: Engages and releases the door latch assembly, ensuring secure closure and correct opening.
• Integration: Works with vehicle wiring harness and central locking system; typically controlled by the body control electronics.
• Durability: Designed for long service life, but exposed to moisture and mechanical wear in door environment.

Compatibility

Compatible With: Peugeot 407 (Left Front / Driver’s Door). Always confirm the part number printed on the original unit or from parts documentation to ensure exact fitment. Common OEM references: 9683417880, 9135AY, 9135FN.

Technical Information

• Manufacturer: Stellantis (Citroën / Peugeot)
• Model: Peugeot 407
• Product Codes: 9683417880, 9135AY, 9135FN
• Additional Numbers: 9135FN

Installation Recommendations

• Safety First: Disconnect the vehicle battery before starting work to avoid short circuits and unintentional actuator operation.
• Access: Remove the interior door trim panel and the moisture barrier to reach the lock mechanism. Keep screws and clips organized for reassembly.
• Disconnect: Detach electrical connector and control rods/linkages from the lock. Note the orientation and routing of rods for correct reinstallation.
• Remove and Replace: Unbolt the lock from the door frame, transfer any required electronic plugs or retainers if applicable, and fit the new unit in the original position.
• Test: Reconnect the battery temporarily and test the actuator for remote locking/unlocking, manual operation from the interior handle and central locking sync before reassembling the door trim.
• Final Steps: Securely refit the moisture barrier and door card. Ensure all fasteners are tightened and the mechanism moves freely; apply light lubrication to moving parts if required.

Common Failure Causes

• Moisture Ingress: Water penetration into the door can corrode contacts or saturate internal components, leading to electrical failure.
• Mechanical Wear: Plastic gears or linkages inside the unit may wear or break over time, especially after many cycles or in older vehicles.
• Electrical Faults: Motor or switch failures, damaged wiring or poor connector contacts can interrupt actuator operation.
• Impact Damage: Door impacts or vandalism can deform the latch mechanism, preventing normal locking/unlocking.

Notes For Mechanics And DIY Enthusiasts

This part is suitable for professional installers and skilled DIYers. When replacing door lock actuators, document the rod positions and connector locations before removal to speed reassembly. Use quality trim tools to avoid damaging the door card and check the seal condition to reduce future moisture problems.

Search And Ordering Tips

Customers commonly search by part number: 9683417880, 9135AY, 9135FN. Including these references in your search increases the chance of finding the correct left front door lock for Peugeot 407.