Electric rear tailgate lock designed for PSA vehicles. This replacement lock fits Citroën and Peugeot models and is commonly used on the Peugeot 607. It restores reliable locking and tailgate release when the original unit fails.

Application

Direct-fit lock for the rear hatch/tailgate on Peugeot 607 and compatible PSA models. Frequently searched by part numbers 9653831780 and 8726Q6.

Function And Common Failures

The unit controls the mechanical locking and the electrical release of the rear tailgate. Common failure causes include motor or gear wear, corrosion and water ingress, damaged wiring or connectors, and seized mechanical components. Typical symptoms are the tailgate not locking or unlocking, intermittent operation, or central locking system errors.

Replacement Guidance

Replacement generally requires removing the inner tailgate trim to access the lock assembly. Recommended steps: disconnect the vehicle battery or isolate the electrical system, remove trim fasteners and clips, unplug the electrical connector from the lock, remove mounting screws, install the new lock, reconnect wiring and verify correct operation before refitting the trim. Suitable for professional mechanics and experienced DIYers.

Durability And Maintenance

Service life depends on vehicle age, usage and exposure to moisture. Locks on older vehicles or those exposed to wet conditions tend to fail sooner. Regular inspection of seals and connectors and keeping the area free of corrosion helps extend service life.

Technical Information

• Manufacturer: PSA / Citroën / Peugeot
• Model: Peugeot 607 (and compatible PSA models)
• Product Codes: 9653831780, 8726Q6
• Additional Numbers: 8726Q6 | 9653831780