Description
Side impact sensor for airbag for CITROEN PEUGEOT cars
Original sensor/side impact sensor (side impact/crash sensor) for the airbag system of Citroën and Peugeot cars. Thanks to the correct airbag sensor, it accurately evaluates a side collision and activates the side and head airbags. Suitable as a replacement when the airbag light is on and there is a side impact sensor error in diagnostics.
Key OEM/PSA numbers (search terms)
– 9666370880
– 618293300
– 8217F6 (also marked as 8217.F6)
Determination and compatibility
– Citroën C3 Picasso
– Citroën C5 (X7)
– Peugeot 308
– Can also be used on other PSA models where the part code is the same from the factory. Always verify compatibility by VIN and part number on your original sensor.
Technical information
– Function: measures the lateral acceleration of the body and sends a signal to the airbag control unit.
– Location: usually on the B‑pillar or body sill (varies by model). Follow the orientation arrow/marking on the sensor body.
– Connection: PSA airbag connector (typically yellow fuse).
– Fastening: usually 1-2 screws (Torx). Tighten according to the manufacturer’s specification.
Assembly and safety tips
– Before doing any work on the airbag system, disconnect the negative terminal of the battery and wait at least 10 minutes.
– Mount the sensor in the correct orientation (according to the arrows/marking “FRONT/UP”).
– After replacement, always delete errors and check the system with diagnostics (Lexia/Diagbox, etc.).
– Do not connect testers/bulbs to airbag circuits or tamper with live connectors.
Condition and packaging
– Used original part from PSA cars, ideal as a cost-effective replacement for a new part.
– Package contents: 1x side impact sensor.
Search keywords
PSA side impact sensor, Citroën Peugeot side impact sensor, side airbag sensor, crash sensor side impact, 9666370880, 618293300, 8217F6, 8217.F6, Citroën C3 Picasso, Citroën C5 X7, Peugeot 308
Note: For some versions the sensor may be the same for both left and right, others are specific – always refer to the stamped/printed part number on your sensor and the car’s VIN.







