Description
Passenger airbag for Citroën C4 first series
2 igniters
Overview
High-quality Passenger Airbag Designed For Citroën C4 First Series. This airbag module is a direct-replacement style unit intended for the front passenger position. It Contains Two Igniters And Is Manufactured To Fit The Original Mounting Points And Connector Layout Used On Early Citroën C4 Models, Making It A Practical Choice For Mechanics And Experienced DIY Enthusiasts Searching By Part Numbers 9646339680 Or 8216GJ.
Key Features And Function
- Occupant Protection: Deploys In Frontal Collisions To Reduce Risk Of Head And Chest Injuries For The Front Passenger.
- Two Igniters: Dual-initiator Design Provides Reliable Deployment Characteristics Matching OEM Behavior.
- Direct Fit: Matches Original Mounting Points And Electrical Connector For Easier Replacement.
- Part Number Reference: Commonly Searched Under 9646339680 And 8216GJ, Improving Findability For Repairs.
Compatibility
Suitable For Citroën C4 First Generation Models (First Series). Always Check The Vehicle’s Model Year And Interior Trim To Confirm Mounting And Connector Type Match The Unit You Are Replacing.
How The Part Is Replaced
- Safety First: Disconnect The Battery And Wait At Least 10–15 Minutes Before Starting Work To Allow Residual System Energy To Dissipate.
- Access: Remove Glove Box Or Trim Panels As Required To Reach The Passenger Airbag Module Fasteners.
- Disconnect: Carefully Unplug The Airbag Electrical Connector(s). Handle Connectors By The Housing—Do Not Pull On Wiring.
- Remove: Unscrew The Retaining Bolts And Extract The Old Module; Keep Bolts And Fasteners For Reuse If Undamaged.
- Install: Position The New Airbag Module, Secure With Correct Torque, Reconnect Electrical Connector(s) And Refit Trim.
- System Check: Reconnect The Battery And Verify Airbag Warning Lamp Behavior. If The Lamp Remains On, Diagnose SRS Fault Codes With A Suitable Diagnostic Tool.
Installation Recommendation
Work On Airbag Systems Requires Caution. If You Are Not Confident Working With Supplemental Restraint Systems, Have The Replacement Performed By A Professional. Always Follow Manufacturer Safety Procedures. Disconnect The Battery Before Starting Work And Observe ESD/Static Precautions Around The Airbag Module. Use Only Specified Torque Values For Fasteners And Ensure Connectors Are Fully Seated.
Why This Part Most Often Fails
- Age And Environmental Exposure: Moisture, Corrosion, And Long-Term Heat Cycling Can Degrade Connectors Or Internal Components.
- Previous Deployment: Airbags That Have Deployed Must Be Replaced; Internal Components Are Single-Use.
- Electrical Faults: Damaged Wiring, Poor Grounding, Or Corroded Connectors Can Cause Warning Lamps Or Failure To Deploy.
- Impact Damage: Minor Collisions Or Interior Damage Can Compromise The Module Even If Other Damage Is Not Obvious.
Technical Information
- Manufacturer: Stellantis (Citroën)
- Model: Citroën C4 First Series
- Product Codes: 9646339680, 8216GJ
- Other Numbers: NFP (As Marked)
Additional Notes For Mechanics
When Replacing The Passenger Airbag, Confirm That Clock Spring And Passenger Presence Sensors (If Equipped) Are Functioning Correctly, Since Faults In Related Components Can Trigger SRS Error Codes. After Installation, Use A Compatible Diagnostic Tool To Clear Historical Faults And Verify That The Airbag Indicator Operates Normally.
