Description
Seat Belt for Citroën C4 and Peugeot 307 Five-Door Model Driver Side
Used Pyrotechnic Driver Seat Belt Pretensioner (Pyropás) compatible with Citroën C4 and Peugeot 307 five‑door models. This safety‑critical component tightens the lap/shoulder belt immediately upon severe impact to reduce occupant movement and improve airbag effectiveness. Often referenced and searched by part numbers listed below, the unit is intended for professional replacement by mechanics or experienced DIYers equipped with appropriate tools.
Technical Information
- Manufacturer: Stellantis (Citroën / Peugeot)
- Model: Citroën C4 (I) / Peugeot 307 (Five‑Door)
- Product Codes: 96346431XX, 96527697XX, 8974T9
- Additional Numbers: 8974.T9
Features And Function
The unit is a pyrotechnic pretensioner integrated with the driver seat belt retractor. On detection of a qualifying collision, a small pyrotechnic charge activates and rapidly retracts the webbing to remove slack, securing the occupant tightly to the seat. This action complements airbag deployment and is a one‑time activation safety device.
Common Faults And Why It Fails
- Activation During A Collision: The pretensioner Is Designed To Deploy Once In A Crash And Must Be Replaced After Activation.
- Electrical Or Connector Damage: Corrosion, Broken Wires Or Poor Contacts Can Prevent Proper Signal Transmission.
- Mechanical Wear Or Jamming: Retraction Mechanism Can Become Stiff Or Blocked By Debris, Affecting Locking Function.
- Previous Repair Damage: Incorrect Removal Or Impact Damage From Prior Repairs Can Compromise The Unit.
Installation Recommendations
- Always Disconnect The Battery Before Starting Work And Wait At Least The Manufacturer‑Recommended Time To Allow SRS Capacitors To Discharge.
- Follow Manufacturer Procedures And Trim Removal Sequence To Avoid Damaging Airbag Modules Or Wiring Harnesses.
- Unbolt The Retractor And Carefully Disconnect The Electrical Connector; Avoid Pulling On Wires.
- Install The Replacement Unit In The Correct Orientation, Route The Belt Webbing According To Factory Guides And Tighten Fasteners To Manufacturer Torque Specifications.
- After Installation, Perform An SRS Diagnostic Check And Clear Any Crash Codes Using A Suitable Diagnostic Tool; Verify System Status Before Returning The Vehicle To Service.
- If You Are Not Experienced With SRS Systems, Have The Replacement Performed Or Checked By A Qualified Technician.
Why Use Part Numbers For Search
Mechanics And DIY Customers Frequently Search By Reference Number (96346431XX, 96527697XX, 8974T9). Using These Codes Ensures Faster Identification Of The Correct Replacement For Specific Citroën And Peugeot Chassis Variants.
Important Safety Note
Do Not Reuse A Deployed Pretensioner. Replacement Of Any Pyrotechnic Restraint Component Should Comply With Vehicle Manufacturer Safety Instructions. Improper Handling Can Result In Personal Injury Or Failure Of The Restraint System.







