Description
Roof right airbag for CITROËN C4 first generation 3- and 5-door models. Passenger side.
High-quality roof (curtain) airbag designed for the passenger side of the Citroën C4 I. Ideal for professional workshops and experienced DIY mechanics who need a direct-fit safety component identified by OEM numbers 9646572080 and 833134. This airbag restores side-impact and rollover protection for the cabin head area and is a commonly searched spare part by its product codes.
Technical Information
- Manufacturer: Stellantis / Citroën
- Model: Citroën C4 I (First Generation) — 3-Door and 5-Door Bodystyles
- Product Codes: 9646572080, 833134, NFP
- Additional Numbers: 833134, 9646572080
Compatibility And Application
Fits Citroën C4 First Generation (commonly referred to as C4 I) in both 3-door and 5-door versions where a right-side roof/curtain airbag is specified. Often looked up and ordered using the OEM reference numbers listed above.
Function And Typical Failure Causes
The roof (curtain) airbag deploys in side-impact or rollover events to protect occupants’ heads and upper bodies. Common reasons for replacement include:
- Deployment During Collision — Once deployed the module must be replaced.
- Physical Damage — Damage to the airbag cover, housing, or inflation channel caused by prior repairs, improper removal of headliner trim, or impact.
- Connector Or Wiring Damage — Corroded or broken connectors from moisture ingress or poor handling during disassembly.
- Storage Or Handling Damage — Creases, cuts or contamination to the airbag fabric or inflator compromise performance.
Installation Recommendation
Safety-Critical Part — Professional Installation Recommended.
- Disconnect Battery: Always disconnect the negative battery terminal before starting and wait at least 10 minutes to allow SRS circuits to discharge.
- Follow Manufacturer Procedures: Remove headliner trim and retaining clips carefully to avoid damaging the airbag or curtain rail.
- Handle Connectors With Care: Inspect connectors and wiring harness for corrosion or damage; replace any compromised components.
- Secure Mounting: Reuse or replace mounting hardware as required and ensure the airbag is seated and fastened according to vehicle specifications.
- Diagnostic Check: After installation clear SRS fault codes and verify proper system operation with a diagnostic tool. If the SRS light remains on, perform a full system scan and address faults before returning the vehicle to service.
- Professional Tools: Use appropriate trim tools and torque settings; improper installation can impair airbag function.
Why Replace This Part
Roof curtain airbags are replaced primarily after activation in an accident. They may also require replacement if physically damaged during interior repairs, if connectors were compromised by moisture or corrosion, or if the unit shows mechanical damage. Because the airbag is a life‑safety component, any signs of damage or previous deployment mandate replacement rather than repair.
Keywords: Citroën C4 airbag, roof airbag, curtain airbag, passenger side airbag, 9646572080, 833134. Suitable for workshops and skilled DIY installers seeking an OEM‑referenced replacement for C4 I models.







