Description
Seat Belt for Citroën C4 Picasso or C4 Grand Picasso — Middle Rear Seat.
Product Overview
This middle rear seat belt is designed for Citroën C4 Picasso and C4 Grand Picasso models. It provides a direct-fit safety restraint for the center passenger of the rear bench, restoring full occupant protection after wear, damage or following removal of the original unit. Suitable for professional workshops and competent DIY mechanics who perform interior disassembly and safety system work.
Key Features
- Direct fit for Rear Center Seat on Citroën C4 Picasso and C4 Grand Picasso.
- Complete assembly including Retractor And Buckle (where applicable) for straightforward replacement.
- Designed to integrate with existing anchor points and pretensioner systems used by Stellantis vehicles.
- Ideal for mechanics and experienced DIYers searching by product code or OE number.
Technical Information
- Manufacturer: Stellantis (Citroën/Peugeot)
- Model: Citroën C4 Picasso, C4 Grand Picasso
- Product Codes: 9654438077
- Additional Numbers: 8974XR, 8974YH
Function And Common Failure Modes
The center rear seat belt secures the middle passenger and works together with the vehicle’s overall restraint system. Typical failure modes include:
- Webbing Wear Or Fraying: Abrasion, contamination or UV exposure can weaken the belt webbing and reduce effectiveness.
- Retractor Malfunction: Dirt, debris or internal spring/fork wear can cause slow retraction or locking failure.
- Pretensioner Damage: In vehicles equipped with pyrotechnic pretensioners, deployment in an impact or electrical faults can render the unit unusable.
- Anchor Corrosion Or Damage: Corroded or damaged fixing points reduce mounting security and must be replaced or repaired.
Replacement Frequency
Seat belts have no fixed service interval, but replacement is required after any crash where the belt/pretensioner has been activated, after visible damage or when retraction/locking is impaired. Regular inspection during service intervals is recommended, especially in older vehicles or those exposed to damp/ corrosive environments.
Installation Recommendations
- Safety First: Always disconnect the vehicle battery and wait an appropriate time before starting work to avoid accidental pretensioner activation or electrical damage.
- Remove Interior Trim: Access the retractor and anchorage by carefully removing the required trim panels. Keep fasteners and clips for reinstallation.
- Disconnect Electrical Connector (If Present): If the unit has an electrical connector for a pretensioner or sensor, disconnect it before unbolting the assembly.
- Unbolt Mounting Points: Remove the bolts securing the retractor and buckle. Retain bolt locations and replace damaged hardware as needed.
- Fit New Unit: Position the new belt assembly ensuring the webbing is not twisted. Reattach bolts and tighten to the Manufacturer’s torque specification.
- Reconnect Electrical Connector: Reconnect any pretensioner/sensor connectors if present, then reconnect the vehicle battery.
- Function Check: Confirm smooth extension/retraction and correct buckle engagement. Verify that webbing locks under a quick pull to test the locking mechanism (perform tests carefully).
- Professional Help: When in doubt about pretensioner-equipped units or airbag system interactions, have the work completed by a qualified technician.
Why This Part Fails Most Often
Center rear seat belts typically fail due to wear and contamination of the webbing, mechanical faults in the retractor, or pretensioner deployment during a collision. Water ingress and corrosion at anchor points are frequent contributors in high-humidity environments. Improper use (e.g., heavy loading or sharp objects) and damaged interior trim exposing the belt to abrasion also accelerate deterioration.
Fitment & Compatibility Notes
This listing references common product and additional numbers used to locate the correct part. Fitment is primarily for Citroën C4 Picasso and C4 Grand Picasso models. Search by the product codes listed above to match the required component for your vehicle.
Who Should Install
Recommended for professional mechanics and experienced DIYers. If the vehicle’s restraint system includes pretensioners or integrated sensors, or if there is any uncertainty about safe installation, entrust the replacement to a workshop with appropriate tools and safety equipment.








