This front passenger seat side airbag is an original-equipment compatible unit designed for Citroën C4 Picasso II and Grand C4 Picasso II models. The module contains a pyrotechnic inflator that deploys the side cushion to protect the occupant in a lateral impact. Ideal for professional workshops and experienced DIY mechanics who replace crash-deployed modules or fix vehicles with damaged seat-side restraints. Customers often search by part numbers 9655047580 or 8216PH, so you can quickly locate the correct item for your repair.

Technical Information

• Manufacturer: Stellantis (Citroën/Peugeot)
• Model: Citroën C4 Picasso II / Grand C4 Picasso II
• Product Codes: 9655047580, 8216PH
• Additional Numbers: 8216PH (reference)

Fitment And Compatibility

Fits second-generation Citroën C4 Picasso and Grand C4 Picasso equipped with a passenger-side seat-mounted side airbag (Version II). Always verify the part number on the original module before fitting to ensure full compatibility.

Function And Typical Failure Causes

The seat side airbag is a pyrotechnic safety device that inflates instantaneously during a side impact to reduce chest and pelvic injuries. Airbags do not wear out under normal conditions but become unusable when deployed in a crash. Common causes of non-function or damage include prior deployment, connector or wiring harness damage (often from seat movement), water ingress and corrosion, improper previous repairs, or electrical faults in the airbag circuit.

Replacement And Installation

Replacement should be performed by a qualified technician or an experienced mechanic following safety procedures. General replacement steps:

• Disconnect the negative battery terminal and wait at least 10 minutes for the system capacitors to discharge (follow vehicle manufacturer recommendations).
• Remove seat trim and access panels to reach the airbag connector and mounting points.
• Carefully unplug the airbag connector using the correct release method; avoid pulling on wiring.
• Unbolt the airbag module from the seat structure and remove the old unit.
• Install the replacement airbag, secure mounting bolts to the manufacturer specification and reconnect the connector ensuring a clean, corrosion-free contact.
• Reassemble trim and restore the battery connection.
• Use an appropriate diagnostic tool to clear airbag fault codes and confirm system readiness.

Installation Recommendations

Handle the airbag module with extreme care—store it with the deployment side facing up and keep away from heat sources and static. Do not attempt repairs on the inflator or cushion. Replace any damaged connectors or seat wiring harness sections. After installation, always perform a full airbag system check with a suitable diagnostic interface to ensure no fault codes remain and the system reports as operational.

Why Replace This Part

Most replacements are required after crash deployment. Other reasons include damaged or corroded connectors, wiring faults caused by repeated seat movement, or visible damage to the module or seat structure. Because this is a critical safety component, any signs of damage or prior deployment mean replacement is mandatory.

Order using the part numbers 9655047580 or 8216PH for quick identification. Suitable for professional repairs and quality-conscious DIY mechanics seeking a reliable passenger seat side airbag for Citroën C4 Picasso II and Grand C4 Picasso II.

This passenger seat side airbag is designed for Citroën C4 Picasso and Grand Picasso vehicles (Version I). It Is A Pyrotechnic Inflatable Bag Mounted In The Seat And Intended To Provide Lateral Impact Protection For The Occupant. The Part Is Commonly Searched By Part Numbers 9655047580 And 8216PH, Which Makes Identification Easy For Mechanics And DIY Repairers.

Key Features And Function

The Module Contains A Pyrotechnic Inflator And A Folding Textile Airbag Packaged Inside The Seat Structure. On Detection Of A Side Impact Event The Inflator Rapidly Deploys The Airbag To Cushion The Occupant’S Torso And Pelvis, Reducing The Risk Of Injury. The Unit Is A Passive Safety Component And Must Be Installed Correctly To Ensure Proper Deployment Performance.

Technical Information

• Manufacturer: Stellantis / Citroën
• Model: Citroën C4 Picasso (Version I); Citroën Grand Picasso (Version I)
• Product Codes: 9655047580, 8216PH
• Additional Numbers: 8216PH

Replacement And Installation

Removal And Installation Should Be Performed By A Qualified Technician Or An Experienced DIY Mechanic Familiar With SRS Systems. General Steps Include: Disconnect The Vehicle Battery And Wait The Manufacturer’S Recommended Time To Allow The SRS Capacitors To Discharge; Remove Seat Trim And Covers Carefully To Access The Airbag Module; Disconnect Electrical Connectors And Unbolt The Airbag Module From The Seat Frame; Fit The New Module, Reconnect The Electrical Connectors Securely, Reinstall Trims And Reconnect The Battery. After Installation, Verify That The SRS Warning Light Behaves According To The Manufacturer’S Procedure.

Recommended Notes For Safe Mounting

• Always Disconnect The Battery Before Starting Work And Observe The Manufacturer’S Safety Intervals.
• Handle Airbag Modules By The Housing Only; Avoid Striking Or Dropping The Unit.
• Ensure Connectors Are Clean, Dry And Fully Engaged; Replace Damaged Wiring Or Connectors.
• Follow Manufacturer Torque Specifications And Seat Trim Reassembly Procedures.

Why The Part Typically Fails

Airbags Rarely Fail Without Cause. The Most Common Reasons For Replacement Are Deployment During A Collision, Water Or Moisture Ingress Leading To Connector Corrosion, Physical Damage To The Seat Structure, Or Electrical Faults In The Seat Wiring. Previous Deployment Or Tampering With The SRS System Will Necessitate Replacement Of The Affected Module.

Compatibility And Identification

This Listing Is Focused On The Passenger Seat Side Airbag For The First Generation (Version I) Citroën C4 Picasso / Grand Picasso. Customers And Workshops Often Search Using The OEM Numbers 9655047580 And 8216PH To Identify The Correct Item Fast. Always Compare Part Numbers And Physical Appearance When Replacing SRS Components.

Additional Advice

Because Airbag Systems Are Critical For Occupant Safety, If You Are Unsure About Any Step Of The Replacement Or Diagnostics, Seek Assistance From A Workshop With SRS Experience. Proper Installation And Connector Integrity Are Essential For The System To Function As Designed.