Description
Right roof-mounted side airbag for Peugeot 407 sedan and estate. Passenger side.
Ensure occupant safety with this genuine-fit roof-mounted side (curtain) airbag designed for Peugeot 407. Engineered to deploy rapidly in side impacts and rollovers, this passenger-side unit provides head and upper-torso protection for front and rear-seat occupants along the vehicle roofline. Ideal for professional workshops and experienced DIY mechanics who repair collision-damaged interiors or replace deployed safety components. Commonly searched by part numbers, this airbag is listed under OE references 9660989280 and 8331AC for quick identification.
Function
The roof-mounted side (curtain) airbag inflates during a side collision or rollover to cushion the head and reduce the risk of serious injury. Mounted along the headliner above the passenger side, it works together with seatbelt systems and other airbags to manage impact energy and keep occupants protected.
Compatibility / Fitment
- Peugeot 407 – Sedan (Saloon) and Estate (SW)
- Passenger Side (Right)
- Commonly Identified By: 9660989280, 8331AC
Technical Information
- Manufacturer: Stellantis / Peugeot
- Model: Peugeot 407 (Sedan, Estate)
- Product Codes: 9660989280; 8331AC
- Other Numbers: 8331AC | 9660989280
Installation Recommendations
- Disconnect the battery and wait at least 10 minutes (or follow the manufacturer-specified interval) before beginning work to avoid accidental deployment.
- Work In A Clean, Static-Free Environment; Avoid Impact Or Excessive Force On The Airbag Assembly.
- Remove Interior Trim Panels Carefully To Access Headliner Mounting Points; Keep Fasteners Organized For Reassembly.
- Disconnect The Airbag Connector By Releasing Any Retaining Clips; Do Not Pull On Wires.
- Fit The New Airbag Securely To The Factory Mounting Points And Ensure All Connectors Are Fully Engaged And Locked.
- After Installation, Restore Battery Power And Verify Airbag System Status With A Diagnostic Tool; Clear Fault Codes Only After Correct Repair.
- Follow Manufacturer Procedures For Torque Settings And Trim Reinstallation; Improper Fitment Can Compromise Performance.
Why This Part Fails Most Often
- Deployment During A Collision: Once Deployed, The Airbag Requires Replacement.
- Water Ingress Or Moisture: Leaks Around Door Seals Or Sunroof Areas Can Cause Corrosion Or Electrical Failures.
- Damaged Wiring Or Connectors: Impact, Previous Repairs Or Rodent Damage Can Interrupt Circuits.
- Connector Corrosion: Poor Electrical Contact May Trigger Fault Codes Or Prevent Deployment.
- Previous Improper Repairs: Non-OEM Fastening Or Incorrect Reassembly Can Affect Fit And Function.
Replacement of roof-mounted airbags should be performed by trained technicians or experienced mechanics familiar with airbag safety procedures. Proper handling, secure connections and fault clearing with a diagnostic tool are essential to restore full system functionality and ensure occupant safety.
