Description
Left rear side airbag for Peugeot 407
High-quality replacement left rear side airbag designed for Peugeot 407. This SRS side airbag provides occupant protection in lateral impacts and is a direct-fit option for workshops and experienced DIY mechanics looking to restore full passive safety after deployment or damage. Commonly searched by product codes 9647923780 and 8216CQ, this item is suitable for vehicles equipped with factory side protection systems.
Technical Information
- Manufacturer: Stellantis / Peugeot
- Model: Peugeot 407
- Product Codes: 9647923780, 8216CQ
- Other Numbers: NFP
Function And Application
The left rear side airbag is part of the vehicle SRS (Supplemental Restraint System). Its primary function is to reduce injury to rear-seat occupants during a side collision by providing a cushioning barrier between the occupant and the vehicle structure. Depending on vehicle equipment level, this airbag may be mounted in the seat side or in the side curtain assembly. It is a single-use safety component: once deployed it must be replaced.
Compatibility
Intended for Peugeot 407 models equipped with rear side airbag systems. Always verify the part number (9647923780 / 8216CQ) against the vehicle’s parts list or repair documentation to confirm fitment for the specific vehicle variant and trim.
Installation Recommendations
- Disconnect the negative battery terminal and wait at least 10 minutes to allow the SRS capacitors to discharge before starting work.
- Follow the vehicle manufacturer’s removal procedure: remove interior trim panels carefully to access the airbag module without damaging clips or wiring.
- Unplug the airbag connector using appropriate tools; avoid pulling on wiring. Note connector locking tabs and orientation.
- Remove mounting fasteners, replace the module with the new unit and secure to the specified torque values from the repair manual.
- After mechanical installation, clear SRS fault codes with a compatible diagnostic tool and verify the SRS indicator behavior (should extinguish after self-check). If the airbag warning lamp remains on, perform a full diagnostic to identify and correct related faults.
- If you are not fully confident with SRS work, have the replacement carried out by a qualified technician: incorrect handling can cause accidental deployment or system faults.
Why This Part Most Often Fails
- Deployment In A Crash: Airbags Are Single-Use. Once deployed they must be replaced.
- Water Ingress And Corrosion: Moisture entering connectors or modules can cause electrical faults or failure to deploy.
- Electrical Connector Damage: Improper removal/installation or pin damage can lead to loss of circuit continuity and SRS faults.
- Previous Collision Repairs: Incorrectly reinstalled interior trim or damaged mounting points after an accident may affect airbag function.
Practical Tips For Mechanics And DIYers
Keep the work area clean and avoid contaminating the airbag inflator. Handle the module with the deployment surface facing away from you. Use OE-equivalent replacement parts referenced by the product codes to maintain compatibility with the vehicle’s SRS system. After replacement always confirm the SRS warning lamp behavior and read fault memory with a diagnostic scanner.
Order this left rear side airbag for Peugeot 407 by using the product codes 9647923780 or 8216CQ to ensure you get the correct item and restore the vehicle’s passive safety after an incident.
