Description
Window Regulator For Right Front Door Citroën C3 First Series With Sequential Closing Function. Passenger Door.
High-quality used electric window regulator for the right front (passenger) door of the Citroën C3 first generation. Designed for vehicles equipped with sequential closing (one-touch/auto finish) this regulator assembly restores smooth, reliable window travel and is a cost-effective alternative to a new OE unit. Ideal For Professional Garages And DIY Enthusiasts Searching By Part Number (400618, 9222AP, 1689039580, 963912).
Key Features
Durable Mechanism With Cable And Pulley Drive Optimised For The Citroën C3 Front Passenger Door. Supports Sequential Closing Function To Ensure Proper Final Travel And Seal Engagement. Suitable For Direct Replacement Where Mounting Points And Connector Match The Original Equipment.
Compatibility And Fitment
Fits Citroën C3 First Generation (Passenger Side, Right Front). Check Vehicle Generation And Door Layout Against Listed Part Numbers Before Purchase. Commonly Searched Under Codes 400618, 9222AP, 1689039580, 963912, And Branded Under Stellantis / Citroën.
How The Part Works
The Regulator Converts The Electric Motor’s Rotation Into Vertical Movement Of The Window Glass Using A Cable/Pulley Or Scissor Mechanism (This Unit Uses A Cable-Based Mechanism). It Controls Up/Down Travel And Provides The Mechanical Interface Between Glass, Motor, And Door Structure. The Sequential Closing Function Ensures The Final Portion Of Travel Is Controlled To Achieve A Tight Seal Against The Window Frame.
Replacement Procedure (Summary)
1. Disconnect Battery To Prevent Short Circuits And Accidental Motor Operation. 2. Remove Interior Door Trim And Any Retainers. 3. Carefully Peel Back The Moisture Barrier To Access The Regulator. 4. Support The Glass (Tape Or Suction) And Unbolt The Glass From The Regulator. 5. Disconnect Electrical Connector Of The Window Motor. 6. Remove Mounting Bolts And Extract The Old Regulator Assembly Through The Door Aperture. 7. Install The New Regulator, Secure Mounting Bolts To Manufacturer Torque Where Available, Reattach Glass And Connector. 8. Test Window Operation Through Full Travel Before Reassembling Trim. 9. Refit Moisture Barrier And Door Trim; Reconnect Battery.
Installation Recommendations
Always Work With The Battery Disconnected While Removing Or Fitting Electrical Components. Support The Glass Properly To Avoid Breakage. Inspect Window Channels, Seals, And Guide Rails; Clean And Lubricate Sliding Surfaces With Suitable Grease Before Reassembly. Check Electrical Connector For Corrosion And Ensure Good Contact. After Installation, Run The Window Through Several Cycles To Verify Sequential Closing Function And Adjust Glass Position If Necessary.
Most Common Failure Causes
Window Regulators Typically Fail Because Of Worn Motor Brushes, Frayed Or Snapped Cables, Damaged Plastic Pulleys/Slides, Corrosion From Moisture Ingress, Or Excessive Force From Misaligned Glass. Frequently Occurs On High-Mileage Vehicles Or Cars Exposed To Humid Environments And Road Salt. Regular Use, Dirt In Channels, And Water Penetration Accelerate Wear.
Advantages Of Replacing This Unit
Restores Smooth Window Movement, Eliminates Noise And Binding, Ensures Proper Seal Against Wind Noise And Water Ingress, And Preserves Convenience Features Like One-Touch/Sequential Closing. Offers Reliable Fit For Vehicles Matching The Listed Part Numbers Without The Cost Of A Brand-New OE Assembly.
Technical Information
- Manufacturer: Stellantis / Citroën
- Model: Citroën C3 First Generation (Right Front Passenger Door)
- Product Codes: 400618, 9222AP, 1689039580, 963912
- Other Numbers: 9222 AP (Alternate Formatting), 400 618 (Possible Catalog Variants)
Why This Part Commonly Fails
The Most Frequent Cause Is Mechanical Wear Of Moving Components: Cable Fraying, Plastic Pulley Failure, Or Motor Wear. Water And Dirt Entering The Door Can Accelerate Corrosion And Seize Moving Parts. Misalignment Of The Glass Or Damaged Guide Rails Places Extra Load On The Regulator, Leading To Premature Failure.
Final Notes
Part Is Supplied As A Used Unit Intended To Replace A Faulty Right Front Window Regulator On Compatible Citroën C3 First Generation Vehicles. Fitment Is Best Confirmed By Matching The Visible Mounting Points And Connector With The Vehicle’s Existing Assembly. Proper Installation And Inspection Of Door Components Will Maximise Service Life After Replacement.
