Overview

This electric rear door (tailgate) lock is a direct-fit replacement designed for Citroën and Peugeot models. It integrates the latch mechanism and electric actuator to operate with the vehicle’s central locking system and remote key. Ideal for professional workshops and DIY mechanics, the unit is commonly searched by part numbers 9671153780 and 8719G5, which improves findability for technicians and parts purchasers.

Application

Compatible Models (examples): Citroën C3 Picasso, Citroën C4 Picasso, Citroën C5 X7, Peugeot 207, Peugeot 308. Always match the part number listed on the unit to the vehicle’s existing part to confirm fitment.

Technical Information

• Manufacturer: Stellantis (Citroën / Peugeot)
• Model: Rear Door / Tailgate Lock
• Product Codes: 9671153780, 8719G5
• Additional Numbers: 9671153780 | 8719G5

Installation Recommendations

Prior to any work, disconnect the battery to avoid short circuits and potential damage to electrical components. Typical replacement steps:

1. Open the tailgate and remove the interior trim panel using appropriate trim tools to avoid damage.
2. Locate and disconnect the electrical connector from the lock unit.
3. Unbolt the lock mechanism from the tailgate and detach any mechanical linkages or rods. Note the routing and orientation for reassembly.
4. Install the new unit, reconnect linkages and the electrical connector, and secure all fasteners to the original positions.
5. Reinstall the trim panel and reconnect the battery. Test the lock operation with the central locking, remote key and manual release to confirm correct function and alignment.

Use appropriate hand tools and a trim removal set. After installation, check latch alignment and lubricate moving points with a suitable lubricant to ensure smooth operation.

Most Common Reasons For Failure

• Water Ingress And Corrosion: Exposure to moisture can corrode electrical contacts or mechanical parts.
• Mechanical Wear: Repeated use leads to worn gears, broken plastic components or seized linkages.
• Actuator Or Microswitch Failure: Electrical motor or internal switches can fail, preventing locking/unlocking.
• Connector Or Wiring Damage: Chafed wires or poor connector contacts cause intermittent or permanent faults.
• Impact Damage Or Misalignment: Tailgate impacts or improper alignment can deform the latch and prevent engagement.

Symptoms Indicating Replacement

Common symptoms include inability to lock or unlock the tailgate with the remote or central locking, abnormal grinding or clicking noises from the lock area, or intermittent operation. Addressing faults early prevents further damage to linkages and surrounding trim.

Notes

This part is supplied as a replacement lock unit for the listed Citroën and Peugeot models. Verify the part number stamped on the old unit matches one of the product codes above before installation. Professional installation is recommended for complex central locking systems or when access to specialized tools is required.