Description
Left rear side airbag for PEUGEOT 407. Side behind the driver.
This left rear side airbag is a direct-fit replacement designed for Peugeot 407 vehicles and intended for mechanics and experienced DIY enthusiasts. Commonly searched by part numbers 9647923780 and 8216CQ, the unit restores side-impact protection for the rear left seating position after deployment or damage. Ideal for collision repairs, the module comes with original-style mounting points and the factory electrical connector for straightforward installation.
Key Features
- Direct fit for Peugeot 407 rear left side position.
- OE Part Numbers Included: 9647923780, 8216CQ (also listed as NFP in some catalogs).
- Designed to restore occupant protection in side-impact events.
- Connector and mounting compatible with factory wiring and trim panels.
Compatibility
Fits Peugeot 407 (model years approximately 2004–2011). Confirm fitment using the listed product codes when searching parts catalogs: 9647923780, 8216CQ.
Technical Information
- Manufacturer: Stellantis / Peugeot
- Model: Peugeot 407
- Product Codes: 9647923780, 8216CQ
- Other Numbers: NFP
How The Part Works
The rear side airbag deploys in a sufficiently severe lateral impact to reduce torso and pelvis injuries for rear-seat occupants. It is an inertial pyrotechnic device integrated into the vehicle’s side structure and connected to the SRS control system via a dedicated wiring harness and connector.
How To Replace
Replacement should be carried out by a competent mechanic or an experienced DIYer with access to basic tools and an SRS-capable diagnostic scanner. Typical replacement steps:
- Disconnect the negative battery terminal and wait at least 10 minutes to allow system capacitors to discharge.
- Remove the relevant interior trim panels carefully to access the airbag module. Use trim tools to avoid damaging clips.
- Unplug the airbag electrical connector by releasing the locking tab—do not pull on wires.
- Unbolt the airbag module from the mounting points and remove it.
- Install the new airbag in the reverse order: secure mounting bolts to the manufacturer’s torque specifications and reconnect the electrical plug ensuring the locking tab engages.
- After installation, reconnect the battery and perform an SRS system scan with a diagnostic tool. Clear any fault codes and verify that the SRS warning lamp functions correctly.
Installation Recommendations
- Always disconnect the battery before starting work and follow the vehicle manufacturer’s safety procedures.
- Handle the airbag module carefully; keep the deployment side facing away from you and avoid impact or heat exposure.
- Do not attempt repairs on airbag inflators or connectors; replace the complete module if damaged.
- Use a suitable diagnostic scanner to confirm system readiness and to clear stored SRS fault codes after replacement.
Common Causes Of Failure
- Deployment in a previous collision—airbags are single-use devices and must be replaced after activation.
- Electrical connector damage, corrosion, or poor contact caused by water ingress or improper previous repairs.
- Physical damage to the unit or surrounding trim from impacts or improper removal.
- Faults reported by the SRS control module due to sensor or wiring faults in the side-impact detection system.
Searchable Part Numbers: 9647923780, 8216CQ. Use these numbers when sourcing replacement components to ensure the correct fit for Peugeot 407 repairs.
