This door lock assembly is designed for the left front (driver’s) door of the Citroën C3 II (A51). It secures and latches the door, interfaces with the central locking system and mechanical linkages, and ensures reliable opening and closing under everyday use. The unit is commonly searched by its part number 9800624480, so including the code in your search or order will speed up identification.

Technical Information

• Manufacturer: Citroën (Stellantis)
• Model: Citroën C3 II (A51) – Left Front / Driver’s Door
• Product Codes: 9800624480
• Other Numbers: 9800624480 (OE Reference)

Function And Application

The door lock assembly is the mechanical/electro-mechanical device that latches the door striker and provides secure locking. It transfers commands from the central locking system and the door handle to the latch mechanism. Proper function is essential for vehicle security, door sealing and correct operation of interior/exterior handles and central locking.

Installation Recommendations

• Work Safely: Before starting, disconnect the vehicle battery to prevent short circuits and unintended actuator activation.
• Access: Remove the inner door trim and moisture barrier to expose the lock mechanism and electrical connector(s).
• Disconnect: Unplug any electrical connectors and detach lock rods or cables from the interior and exterior handles.
• Remove Fasteners: Unscrew the lock mounting bolts and remove the old unit. Keep track of clips and screws for reassembly.
• Fitment: Install the new lock assembly, reconnect rods/cables and electrical connector(s). Ensure linkages are routed without kinks and that clips are secure.
• Adjustment: Check door alignment and striker engagement. Adjust striker or latch position if door does not close or lock smoothly.
• Function Test: Reconnect the battery and test all functions – manual opening, interior/exterior handles, central locking and safety locks – before reassembling the door trim.
• Recommended Tools: Trim removal tools, Torx/Spline sockets as required, small pliers for clips, and a multimeter to check electrical continuity if necessary.

Why This Part Fails Most Often

• Wear And Tear: Moving parts and plastic components can wear or break after many years of use.
• Corrosion And Moisture Ingress: Water getting past the door seals can corrode metal parts or cause electrical contacts/actuators to fail.
• Actuator Motor Failure: If the unit is electro-mechanical, the small motor or internal gearbox can seize or lose torque.
• Broken Clips Or Linkages: Plastic clips and metal rods that connect handles to the latch commonly fail or become detached.
• Misalignment Or Impact Damage: Door collisions or repeated slamming can deform the striker or latch, causing premature failure.

Notes For Mechanics And DIY Enthusiasts

Always verify the part number 9800624480 when replacing the lock. For efficient workflow, have replacement clips, grease for moving parts and a spare trim fastener set available. After installation, perform multiple cycles of locking/unlocking and open/close operations to confirm long-term smooth operation.

Compatibility And Ordering

Primary fitment: Citroën C3 II (A51) left front (driver’s) door. The part is commonly referenced by number 9800624480—using this code in searches or parts lists improves the chance of correct selection.

High-quality replacement right front door lock designed for Citroën C3 II (A51) models. This door lock assembly restores secure locking and smooth operation of the front passenger door, eliminating rattles, intermittent central locking failures, or a door that will not latch properly. Frequently searched under the part number 9800624680, this unit is suitable for professional workshops and DIY mechanics who need a reliable, direct-fit component to return the door to full functionality.

Technical Information

• Manufacturer: Stellantis / Citroën
• Model: Citroën C3 II (A51)
• Product Codes: 9800624680
• Other Numbers: Not Provided

Function And Typical Symptoms

The door lock assembly secures the door in the closed position, operates the latch mechanism, and interfaces with the central locking system and interior/exterior handles. Typical symptoms of a failing lock include: the door not latching, difficulty opening or closing the door, intermittent central locking operation, unusual grinding or clicking noises from inside the door, or the handle feeling loose or disconnected.

Replacement Guide

Recommended steps for a safe and effective replacement (for experienced technicians and competent DIY):

1. Prepare Tools: Trim tools, Torx/metric sockets, flat pliers, and a clean workspace.
2. Safety First: Disconnect the negative battery terminal before starting to prevent shorts and avoid accidental airbag deployment when removing trim near the A-pillar.
3. Remove Door Trim: Carefully detach the interior door panel and any vapor barrier to access the lock assembly. Keep clips and screws organized.
4. Disconnect Linkages and Wiring: Unclip the door handle rods and disconnect any electrical connectors for central locking or sensors.
5. Remove Lock Assembly: Unscrew the retaining bolts and lower the lock unit out of the door cavity.
6. Install New Unit: Fit the replacement lock, secure bolts to the correct torque, reconnect linkages and electrical plugs, and verify free movement before reassembling the door panel.
7. Test Operation: Reconnect the battery and cycle the lock several times with the key, remote, and interior switches. Check for correct latching and quiet operation before final assembly.

Installation Recommendations

• Inspect Linkages And Clips: Replace any corroded rods, worn clips, or damaged seals when installing the new lock.
• Lubrication: Lightly lubricate moving parts with a suitable dry or white lithium grease to ensure smooth operation and prevent premature wear.
• Check Electrical Connectors: Ensure connectors are clean and fully seated to avoid intermittent central locking faults.
• Test Thoroughly Before Reassembly: Confirm correct locking/unlocking and handle function to avoid having to reopen the door panel.
• Follow Manufacturer Procedures: Where available, adhere to repair manual instructions for torque settings and assembly order.

Why The Part Most Often Fails

Common causes of door lock failures include wear of internal mechanical parts (plastic gears or metal latch components), water ingress and corrosion, broken or fatigued linkage rods and retaining clips, and electrical faults in the central locking actuator or connectors. Heavy use, exposure to moisture, and impact or misalignment of the door can accelerate failure.

Suitable For

Direct-fit replacement for Citroën C3 II (A51) front passenger side door where part number 9800624680 is specified. Ideal for workshop technicians and experienced DIY customers searching by part number or vehicle model.

Order this front passenger door lock to restore secure, silent operation of the door and avoid progressive damage to linkages and central locking components.

This left rear door lock (OEM Number 9800625080) is designed for Citroën C3 II (A51) vehicles and integrates mechanical latch components with the central locking actuator. Ideal for professional workshops and experienced DIY technicians, this replacement lock restores secure door closure, central locking function and reliable operation of the passenger-side rear door. The part is commonly searched by its product code 9800625080.

Technical Information

• Manufacturer: Stellantis / Citroën
• Model: Citroën C3 II (A51)
• Product Codes: 9800625080
• Additional Numbers: Not Available

Features And Function

• Mechanical Latch Mechanism: Secures the door closed and engages with striker on body.
• Central Locking Actuator Compatibility: Works with the vehicle central locking system to lock/unlock the door.
• Linkage Interface: Connects to interior/exterior handles and locking rods.
• Durable Construction: Designed for regular use in a rear passenger door environment.

Symptoms Of A Faulty Door Lock

• Door Does Not Lock Or Unlock With Central Locking
• Intermittent Or Noisy Operation When Locking
• Door Sticks Or Fails To Latch Properly
• Exterior Or Interior Handle Does Not Operate The Latch Smoothly

Replacement Procedure

Replacement should be performed by a trained technician or a confident DIYer with basic automotive tools. Typical steps:

• Disconnect Battery As A Safety Precaution Before Working On Electrical Components.
• Remove Inner Door Trim Carefully To Access Lock Assembly. Keep Clips And Screws Organized.
• Disconnect Electrical Connector(s) For The Actuator And Release Bowden Cables Or Linkages From The Lock Mechanism.
• Remove Fixing Bolts/Screws Holding The Lock To The Door Shell And Extract The Old Unit.
• Fit New Lock, Reconnect Linkages And Electrical Connector, Verify Correct Rod/Handle Engagement.
• Test Locking, Unlocking And Handle Operation Before Reinstalling Door Trim. Ensure Water Seals And Moisture Barriers Are Correctly Replaced.

Installation Recommendations

• Verify Correct Orientation: Install On Passenger-Side Rear Door Only.
• Use Suitable Tools And Torque Settings For Door Fasteners; Avoid Overtightening Thin Door Panels.
• Inspect And Replace Any Damaged Linkage Clips Or Bowden Cables To Ensure Smooth Operation.
• Apply A Moderate Amount Of Corrosion-Resistant Grease To Moving Parts And Pivot Points.
• Test Central Locking Function And Mechanical Operation Thoroughly Before Final Assembly.

Why The Part Most Often Fails

Door locks typically fail due to a combination of mechanical wear and environmental exposure. Common causes include:

• Corrosion From Moisture Ingress Leading To Seized Mechanisms.
• Wear Of Internal Gears And Plastic Components From Frequent Use.
• Damaged Linkage Rods Or Clips Preventing Proper Engagement.
• Impact Or Body Damage Affecting Alignment Between Latch And Striker.
• Electrical Failures In The Actuator Motor Or Wiring Causing Intermittent Central Locking.

Replacing the lock with a correctly fitted unit and addressing any door alignment, sealing or linkage issues will restore reliable operation. For faster parts lookup, search using the product code 9800625080 and the vehicle designation Citroën C3 II (A51).

Overview

This door lock is a direct-fit replacement for the rear right door on Citroën C3 II (A51) vehicles. Supplied as a complete lock mechanism, it integrates the latch, actuator interface and mounting points to match the original equipment. Frequently searched under the part code 9800625180, this unit is intended for professional workshops and experienced DIYers who perform body and trim repairs or replace faulty central locking components.

Features And Function

• Direct Replacement For OE Part Number 9800625180, ensuring fit and function equivalent to the original unit.
• Mechanical Latch And Actuator Interface That Secures The Door And Works With Central Locking System.
• Connector And Mounting Points Matching Factory Specifications For Easier Installation.
• Designed To Work With Door Handles, Lock Rods And Striker Plate Installed In The Vehicle.

Compatibility

Mainly Intended For Citroën C3 II (A51) Models. Always check the part number 9800625180 when searching for a matching lock. The lock may be found on related Stellantis platforms with the same door assembly; verification by part number is recommended for exact fit.

Installation And Recommendations

Replacement of the rear door lock typically requires removal of the interior door trim to access the lock mechanism and electrical connector. Typical steps for a safe and reliable swap:

• Park On A Level Surface And Protect The Work Area. Use Appropriate Tools For Trim And Fastener Removal.
• Carefully Remove The Door Panel To Expose The Lock Assembly, Cables And Electrical Connector.
• Disconnect The Electrical Connector And Linkage Rods From The Lock. Take Note Of Rod Orientation And Clip Positions.
• Remove Mounting Bolts, Replace The Lock, Then Reinstall Bolts To Manufacturer Torque Where Available.
• Reconnect Linkage Rods And Electrical Connector, Then Test Manual And Central Locking Operation Before Refitting Door Trim.
• Lubricate Moving Parts Lightly With Suitable Lubricant And Check Striker Alignment If The Door Does Not Latch Smoothly.

Recommended For Installation By Experienced Mechanics Or DIYers Comfortable With Door Trim Removal And Electrical Connectors. When testing, verify both manual latch action and operation via central locking/remote to ensure correct function.

Why The Part Commonly Fails

• Mechanical Wear Of The Latch Components And Plastic Clips Leading To Poor Engagement.
• Actuator Motor Fatigue Or Internal Gear Damage Caused By Frequent Use Over Time.
• Water Ingress Or Corrosion Damaging Electrical Contacts Or Mechanical Parts.
• Broken Or Detached Linkage Rods And Clips From Impact Or Previous Repairs.
• Electrical Issues Such As Damaged Wiring Or Corroded Connectors Affecting Central Locking Signals.

Technical Information

• Manufacturer: Citroën (Stellantis)
• Model: Citroën C3 II (A51)
• Product Codes: 9800625180
• Additional Numbers: None Specified

Final Notes

Part number 9800625180 is commonly used when searching for this lock. Ensure correct alignment and secure mounting during installation to avoid premature wear. Replacement of worn door locks restores reliable door closure and central locking performance, improving vehicle security and comfort.

High-quality lock set tailored for the Citroën C4 Picasso (first series). This complete kit includes the driver’s door lock mechanism, ignition barrel and three keys — ideal for mechanics and experienced DIYers who need a reliable replacement during bodywork, accident repairs or routine maintenance. The set is commonly searched by product codes 4162KF / 4162KC (and related reference 4162XT), so it is perfect for customers who look up parts by reference number.

The locks restore mechanical security and steering ignition function; replacing the worn or damaged lock assembly eliminates door jamming, key rotation problems and improves vehicle security. Supplied components are ready for mechanical installation, but keys may require cutting and, depending on vehicle immobilizer configuration, further programming to enable engine start.

Technical Information

• Manufacturer: Stellantis (Citroën / Peugeot)
• Model: Citroën C4 Picasso (First Generation)
• Product Codes: 4162KF, 4162KC
• Additional Numbers: 4162XT

Installation Recommendations

• Before starting work, disconnect the vehicle battery to prevent short circuits and to protect any immobilizer or electronic modules.
• Remove the interior door card and any trim to access the door lock mechanism. Support the door glass if required.
• Unscrew the lock assembly mounting bolts, detach mechanical linkages and any electrical connectors for central locking (if present).
• Replace the ignition barrel by removing the retaining clip or screws; ensure the new barrel engages correctly with the steering column lock when installing.
• Install the new door lock, reconnect linkages and connectors, then test mechanical operation of the latch and locking function before refitting the door card.
• Have the keys cut to match the supplied blanks. If the vehicle uses transponder immobilizer keys, programming or synchronization may be required for the engine to start — this is done with appropriate diagnostic equipment or by a qualified locksmith.
• Lubricate the lock cylinder with a dry graphite or specialist lock lubricant; avoid wet oils that attract dirt.

Why This Part Most Commonly Fails

• Mechanical Wear: Years of use cause tumblers and wafers inside the cylinder to wear, leading to difficult or incomplete key rotation.
• Corrosion and Contamination: Water ingress, dirt and salt accelerate corrosion of lock internals and linkages, causing sticking or seizure.
• Key Damage: Worn or bent keys damage the cylinder profile and increase wear on tumblers.
• Forced Entry or Impact: Attempts to force the lock or accident damage to the door can deform components and impair operation.
• Actuator Failure: In locks with integrated central locking actuators, the small electric motor or gears can fail and prevent locking/unlocking even if the mechanical cylinder works.

Notes for Mechanics and DIYers

This set is aimed at professionals and experienced DIY enthusiasts who are comfortable with door disassembly and key handling. Use common workshop tools and follow manufacturer torque and reassembly guidelines. Searching by the listed product codes (4162KF / 4162KC / 4162XT) will help you quickly match the correct part for the Citroën C4 Picasso first generation.

Product Overview

High-quality lock set designed for Citroën C3 II (A51) model years 2009–2016. This kit includes the driver door lock, fuel filler cap lock and ignition barrel, supplied with one key. The set is intended for professional mechanics and experienced DIYers who need a reliable replacement for worn or damaged locking components. Commonly searched by part numbers 4162VH and 4162PT, this kit helps restore secure access to the vehicle and reliable ignition operation.

Applications

• Fits Citroën C3 II (A51) 2009–2016
• Suitable for vehicles using Stellantis parts identified under codes 4162VH / 4162PT
• Ideal for replacing faulty driver door lock, fuel flap lock or ignition barrel

Technical Information

• Manufacturer: Stellantis (Citroën / Peugeot)
• Model: Citroën C3 II (A51) 2009–2016
• Product Codes: 4162VH, 4162PT
• Additional Numbers: A51

Function And What To Expect

The driver door lock secures the door and provides the mechanical interface for central locking on vehicles equipped with it. The ignition barrel houses the key cylinder responsible for turning the ignition switch and engaging the starter. The fuel filler cap lock secures the fuel flap to prevent unauthorized access. Replacing the set restores mechanical locking function and ensures a single key operates all included locks when supplied as a matched kit.

How The Part Is Replaced

• Driver Door Lock: Remove the interior door trim and moisture barrier, disconnect electrical connectors (if actuator present) and linkage rods, unbolt the lock assembly and extract it from the door. Transfer any clips or actuators if required and fit the new unit, then reconnect linkages and test operation before reassembling the door panel.
• Ignition Barrel: Remove steering column covers to access the ignition barrel retaining clip. With the steering unlocked and battery isolated if working near electrical systems, release the retaining clip and pull out the old cylinder. Fit the new barrel, confirm smooth key operation and that the steering lock and ignition positions function correctly.
• Fuel Filler Cap Lock: Access typically from inside the wheel arch or luggage area by removing the inner trim. Unfasten the lock retaining screws, disconnect any electrical connector if present and replace the lock. Test opening/closing and locking before reassembly.

Installation Recommendations

• Use appropriate trim tools to avoid damaging panels and seals.
• Lubricate mechanical linkages and the new barrel with recommended dry graphite or silicone-based lubricant for smooth operation—avoid heavy oils that attract dirt.
• Ensure linkages and rods are correctly aligned and clips are fully seated to prevent binding.
• After installation, verify that the key operates door lock, fuel lock and ignition smoothly and that central locking (if present) actuates properly.
• Where electrical connectors or actuators are involved, inspect wiring and connectors for corrosion or damage and secure all plugs.

Why This Part Most Commonly Fails

• Mechanical wear of tumblers and internal components from long-term use or excessive force when turning a worn key.
• Corrosion and water ingress, especially around door and fuel flap locks, leading to seizure or intermittent operation.
• Broken or bent linkage rods and damaged actuator mechanisms from impact or slamming doors.
• Frozen locks in cold climates due to moisture and lack of proper lubrication.
• Key breakage inside the barrel or worn key profiles that no longer engage the tumblers reliably.

Additional Notes

This set is frequently searched by its product codes 4162VH and 4162PT—include these when searching catalogues or ordering. Supplied with one key; if key duplication or coding is required for immobilizer systems, follow manufacturer procedures. Proper installation restores locking security and prevents further damage to linkage and actuator components.

Product Description

High-quality replacement electric central locking door lock designed for the right front (passenger) door of the Citroën C2. Ideal for professional workshops and DIY mechanics who need a reliable actuator that restores central locking function. The unit connects via a 5-pin connector and replaces worn or failed original locks to ensure secure closing and correct central locking operation.

Key Features And Benefits

• Direct Fit For Citroën C2: Designed to match the original mounting points and electrical connector (5-pin).
• Restores Central Locking Function: Replaces faulty lock mechanisms and actuators that prevent door locking/unlocking.
• Durable Construction: Robust metal and plastic components intended to withstand normal door usage and mechanical stresses.
• Easy To Install: Compatible with standard repair procedures used by professional technicians and experienced DIYers.
• Includes OEM Product Code Reference For Easier Search: 9136Q6.

How The Part Works

The unit houses the locking mechanism and small electric actuator that receives signals from the central locking system. When the vehicle sends a lock/unlock command, the actuator moves the latch mechanism to lock or release the door. The electrical connector (5-pin) supplies power and control signals to the actuator motor and limit switches inside the assembly.

Replacement Procedure (Overview)

• Disconnect The Battery Before Starting Work To Avoid Short Circuits And Unintended Actuator Movement.
• Remove The Inner Door Trim Panel Carefully To Access The Locking Mechanism.
• Peel Back The Water Shield And Disconnect The 5-Pin Electrical Connector.
• Unfasten The Mounting Bolts And Linkage Rods Securing The Lock Assembly.
• Install The Replacement Lock, Reconnect Linkages And Electrical Connector, And Test Locking/Unlocking Function Before Reassembling The Door Trim.

Installation Recommendations

• Use Dielectric Grease On Electrical Contacts To Prevent Corrosion And Improve Long-Term Reliability.
• Lubricate Moving Linkages And Latch Points With Appropriate Graphite Or Silicone-Based Lubricant.
• Check Door Water Seals And Drainage Channels To Minimize Moisture Ingress That Can Damage The Mechanism.
• Tighten Fasteners To Manufacturer Spec If Available, And Verify Alignment Of Linkage Rods To Prevent Binding.
• Test Central Lock Operation Several Times With The Door Open To Confirm Correct Function Before Final Assembly.

Why This Part Commonly Fails

Door lock assemblies on small cars like the Citroën C2 commonly fail due to moisture ingress and corrosion, which can cause electrical contacts to deteriorate and the actuator motor to seize. Plastic gears or linkages inside the unit may wear or break after many cycles, and connector corrosion can cause intermittent or complete loss of function. Mechanical damage from slamming doors or misaligned linkages can also accelerate failure.

Technical Information

• Manufacturer: Stellantis / Citroën
• Model: Citroën C2
• Product Codes: 9136Q6
• Additional Numbers: N/A

Compatibility And Notes

This lock is intended for the right front (passenger) door of Citroën C2 models that use a 5-pin connector lock assembly. Confirm visually that the connector and mounting configuration match your vehicle before installation. The part number 9136Q6 is commonly used to locate the correct replacement.

Who Should Fit This Part

Suitable For Experienced DIYers Comfortable With Door Panel Removal And Electrical Connections, And For Professional Auto Technicians. If You Are Unsure About The Procedure, Have The Unit Fitted By A Qualified Workshop.

Overview

This Electric Central Locking Actuator is a direct-fit replacement for the left front (driver’s) door on the Peugeot 307. Designed for professional workshops and experienced DIYers, the unit restores reliable locking and unlocking via the vehicle’s central locking system. The actuator is commonly searched by its part code, making it simple to find and order for timed repairs.

Key Benefits

• Direct replacement for the original left front door lock assembly on Peugeot 307 models.
• Restores remote and central locking function, improving security and convenience.
• Compact design that fits into the factory door lock location for hassle-free installation.
• Ideal for mechanics and competent DIYers who regularly perform door trim and lock repairs.

Technical Information

• Manufacturer: Stellantis (Citroën/Peugeot)
• Model: Peugeot 307 — Left Front Door (Driver’s Door)
• Product Codes: 9135N6
• Additional Numbers: NFP

Fitment

Compatible with Peugeot 307 models (various body styles including hatchback, SW/estate and CC/coupé‑cabriolet). Verify fitment by matching the part code 9135N6 and the door position (left front / driver’s side).

Function

The actuator is part of the central locking system: it moves the lock mechanism to lock or unlock the door in response to remote commands or the vehicle’s locking switches. The assembly typically integrates an electric motor and mechanical linkage that operate the door latch.

Replacement Guide

1. Disconnect the negative battery terminal before beginning work to prevent short circuits and unintended actuator operation.
2. Remove the inner door trim panel and any moisture/vapor barrier carefully to access the lock unit.
3. Unplug the electrical connector and detach any control rods or linkages from the lock assembly. Note the positions for reassembly.
4. Unscrew the mounting fasteners and remove the old lock/actuator from the door.
5. Install the new actuator, refit rods/linkages and connector, and secure all fasteners to the manufacturer’s specification.
6. Reconnect the battery, test the central locking function (lock/unlock via remote and interior switches) before reassembling the door trim, then recheck operation after full reassembly.

Recommended Installation

Perform the replacement in a dry, well-lit area. Protect the door upholstery and trim during work. Lubricate linkages and latch contact points with an appropriate lubricant to reduce wear. After installation, cycle the lock several times to confirm smooth operation. If electrical faults persist, inspect wiring and connectors for corrosion or damage.

Common Failure Causes

• Water ingress and moisture causing corrosion of contacts or electrical motor failure.
• Wear or breakage of plastic gears and internal mechanical components after years of use.
• Corroded or loose electrical connectors leading to intermittent operation.
• Mechanical strain from misaligned linkages or damaged door latches causing premature wear.

Why Choose This Part

This actuator is suitable for technicians who need a reliable, code-searchable replacement for left front door locking faults on the Peugeot 307. Clear part numbering (9135N6) speeds up procurement, and the unit addresses common failure modes such as motor wear, gear damage and connector corrosion.

This used electric rear door/tailgate lock is an original-equipment solution for Citroën and Peugeot models and is commonly searched by product numbers 9671153480 and 8719G5. Designed for professional workshops and confident DIY mechanics, the unit restores secure central locking and reliable tailgate operation. Compatibility with popular models such as Citroën C3 Picasso, Citroën C4 Picasso, Citroën C5 X7, Peugeot 207 and Peugeot 308 makes this part a frequent replacement in bodywork and electrical repairs.

Technical Information

Manufacturer: Stellantis (Citroën / Peugeot)
Model: Citroën C3 Picasso, Citroën C4 Picasso, Citroën C5 X7, Peugeot 207, Peugeot 308
Product Codes: 9671153480, 8719G5
Additional Numbers: 8719G5, 9671153480

Function And Application

The lock assembly secures and releases the rear door or tailgate as part of the vehicle’s central locking system. The unit contains mechanical latches and an electrical actuator that receives locking/unlocking commands from the remote key, central locking module or interior switches. When functioning correctly it ensures reliable closure, prevents unwanted opening during driving and integrates with convenience functions such as remote unlocking and alarm sensors.

Typical Failure Modes

• Water Ingress And Corrosion: Moisture penetration can corrode electrical contacts and metal linkages, causing intermittent operation or complete failure.
• Worn Plastic Gears Or Mechanical Linkage: Repeated use and age can wear internal plastic components or break linkage arms, preventing the latch from engaging.
• Actuator Motor Failure: The small electric motor or solenoid inside the unit can seize or lose power due to wear or electrical faults.
• Connector Or Wiring Issues: Corroded pins, damaged wires or poor grounding may interrupt signals to the lock.
• Impact Damage: Rear-end collisions or forceful closing can bend or damage the latch mechanism.

Replacement And Installation

Basic replacement steps (for experienced technicians or informed DIYers):

• Disconnect The Battery Before Starting Work To Prevent Short Circuits.
• Remove Interior Trim Of The Rear Door/Tailgate To Access The Lock Assembly.
• Disconnect The Electrical Connector And Any Linkage Rods Or Cables; Note Their Positions For Reassembly.
• Unscrew The Fixing Bolts And Extract The Old Lock Unit.
• Transfer Any Required Mechanical Parts (If Applicable) From The Old Unit To The New One.
• Fit The New Lock, Reconnect Linkages And Electrical Connector, Refit Trim And Reconnect The Battery.
• Check Function: Test Locking/Unlocking With Remote And Interior Switches; Verify Mechanical Latch Engagement.

Installation Recommendations

• Use Correct Tools And Take Care With Plastic Trim Clips To Avoid Breakage.
• If Connector Pins Show Corrosion, Clean Or Replace Them Before Reassembly.
• Apply Dielectric Grease To Electrical Connectors To Reduce Future Corrosion.
• Ensure Linkage Rods Are Properly Adjusted And Secure To Avoid Misalignment Of The Latch.
• After Installation, Cycle The Lock Several Times And Check That The Tailgate Closes And Latches Securely.

Why The Part Most Often Fails

Environmental exposure (water, road salt) and mechanical wear are the primary causes of failure. The combination of water ingress and aging plastic/metal components leads to corrosion, seized actuators or broken internal gears. Frequent use, impacts and poor sealing around the tailgate area accelerate deterioration.

Notes For Buyers

This item is commonly identified in searches by the OEM numbers 9671153480 and 8719G5. When replacing the lock, follow manufacturer procedures and vehicle-specific guides for access and adjustment. Suitable for professional garages and skilled DIY mechanics familiar with door trim removal and electrical connections.

This combined set is ideal for professional workshops and DIY mechanics who need a ready-matched immobilizer solution for Citroën C1 and Peugeot 107 with the 1.0 1KR Euro 4 engine. The package contains the vehicle’s immobilizer unit, engine control unit (ECU), ignition barrel and two transponder keys taken from the same donor car — reducing the amount of coding work compared with mismatched components. Customers often search by part numbers listed below, so the set is suitable when replacing a failed immobilizer system or replacing an ECU after electrical damage.

Technical Information

• Manufacturer: Stellantis / Citroën / Peugeot
• Model: Citroën C1, Peugeot 107 (1.0 1KR, Euro 4) — Origin: Citroën C1 (2009)
• Product Codes: 89661-0H070, 0261S04464, 4162FK
• Other Numbers: 89780-0H020, 89780-0H021, 89740-0H010, 89740-0H011, 6580V7, 6252P3, 1943FE

What The Set Does

The immobilizer unit communicates with the transponder chips inside the keys to allow engine start. The Engine Control Unit (ECU) manages fuel injection, ignition timing and emission control; it will only allow the engine to crank and start when it receives the correct immobilizer authorization. The ignition barrel provides the mechanical switch function and houses the antenna/reader for the transponder key.

Replacement Procedure

Typical replacement steps for experienced technicians:

• Disconnect the battery before any work.
• Remove steering column covers to access ignition barrel and immobilizer module.
• Unplug electrical connectors and remove the ignition barrel and immobilizer module.
• Access and remove the ECU (usually located in the engine bay/passenger compartment depending on model).
• Install the donor units in reverse order; ensure connectors are clean and secure.
• Perform cloning or coding procedure (see Installation and Coding section below) to authorize keys and ECU with the immobilizer.

Common Failure Causes

• Corrosion or water ingress causing connector faults or internal damage to immobilizer or ECU.
• Electrical surges from jump-starts or charging faults damaging ECU electronics.
• Wear to the ignition barrel or key transponder failure due to mechanical damage.
• Intermittent faults caused by poor grounding or loose connectors.

Installation Recommendations

• Always Disconnect The Battery Before Removal/Installation To Prevent Damage And Avoid Airbag/ECU Faults.
• Inspect Connectors And Wiring For Corrosion, Clean Contacts, And Replace Damaged Clips Or Harnesses.
• Use Proper Diagnostic/Programming Equipment (DiagBox/Lexia/PP2000 Or Equivalent) For Coding And Key Learning.
• If Possible, Transfer Mounting Hardware And Connector Brackets From The Original Vehicle To Ensure Correct Fitment.
• After Installation, Clear Fault Codes And Perform A Full System Check: Immobilizer, Central Locking, Engine Start And Readiness Tests.

Installation And Coding – Important

• The unit Is Used And Is “Paired” With The Original Vehicle (VIN/PIN/Keys).
• Options For Commissioning:
  1. Cloning Data From The Old Unit (EEPROM/Flash) – After Cloning The Unit Is Plug And Play.
  2. Virginization And Subsequent Initialization/Telecoding Via DiagBox (Possibly Online) + Key Adaptation.
• Recommended To Be Performed By A Technician With PSA Service Equipment (DiagBox/Lexia/PP2000).
• Before Removal/Installation Always Disconnect The Battery And Follow The Manufacturer’S Procedure To Avoid Damaging The Unit.

Why Choose This Set

Buying the matched set from a single donor vehicle reduces compatibility issues between immobilizer, keys and ECU and can save significant time during commissioning. It is a practical option for garages and experienced DIYers who can perform cloning or professional coding. The set includes two keys with chips, which is useful when replacing a lost or damaged key pair.

Included In The Package

• Immobilizer Unit (matched)
• Engine Control Unit (89661-0H070 / 0261S04464)
• Ignition Barrel (4162FK)
• Two Transponder Keys

Suitable For Professionals And Competent DIY Mechanics Familiar With Immobilizer Coding And ECU Handling. Always Follow Safe Working Practices And Use Correct Diagnostic Tools For Final Commissioning.