Description
Left front pyrotechnic seatbelt pretensioner for Citroën C2, C3 and C3 Pluriel. Driver’s seat.
This OE-compatible left front pyrotechnic seatbelt pretensioner is designed for Citroën and Peugeot small cars and restores the initial locking function of the driver’s restraint system after a fault or deployment. Commonly searched by part numbers 9640676877 and 8973TH, this pretensioner is a safety-critical component that works together with the airbag and seatbelt system to reduce forward movement in a collision. Professional fitment is recommended for correct functionality and safety.
Technical Information
- Manufacturer: Stellantis (Citroën / Peugeot)
- Model: Citroën C2; Citroën C3; Citroën C3 Pluriel; Peugeot 1007
- Product Codes: 9640676877; 8973TH
- Other Numbers: NFP
Recommended Installation
- Disconnect the negative battery terminal and wait at least 10 minutes to ensure the airbag system capacitors are discharged.
- Remove seat trim and covers to access the pretensioner mounting points and electrical connector.
- Carefully unplug the pretensioner connector; avoid pulling on wiring—use the connector body.
- Unbolt the pretensioner from the seat frame. Keep the unit oriented away from your body and do not expose it to heat or open flame.
- Install the replacement pretensioner in the correct orientation, secure bolts to the manufacturer’s specification (refer to the vehicle service manual for torque values), and reconnect the electrical connector.
- Reinstall trim, reconnect the battery, and clear any restraint-system fault codes with appropriate diagnostic equipment.
Why This Part Fails
- Deployment During A Crash: Pyrotechnic pretensioners are single-use and must be replaced after activation in an impact.
- Electrical Problems: Connector corrosion, broken wires or poor grounding can prevent activation.
- Water Ingress Or Corrosion: Moisture can damage the connector and internal components over time.
- Mechanical Damage: Seat impacts, improper handling or previous repairs can impair the unit.
Note: This is a safety-critical component used to improve occupant protection. Correct fitment to the specified models and careful installation according to the vehicle service manual are essential. The part is frequently searched by OE numbers 9640676877 and 8973TH; use these codes to confirm fitment when sourcing replacement parts.







