Used Electric Window Regulator Designed For Citroën C3 First Generation Passenger Door. This replacement mechanism restores reliable opening and closing of the right front window and is compatible with sequential (comfort) close window systems found on early C3 models. Ideal For Professional Mechanics And Experienced DIY Enthusiasts Searching By Part Number (1689039580, 963912, 400618, 9222AP).

Key Benefits

Restores Smooth Window Operation And Reduces Noise: Replaces worn or damaged regulator components to eliminate jerky movement and grinding noises. Direct Fitment: Engineered To Match Factory Mounting Points For A Straightforward Replacement.Improves Safety And Comfort: Ensures Secure Window Seating And Proper Sealing Against Water And Wind.

Compatibility And Fitment

Fits: Citroën C3 First Generation — Right Front (Passenger) Door With Sequential/Comfort-Close Window Function. Often Searched By Part Numbers: 1689039580, 963912, 400618, 9222AP. Verify Application By Matching Part Numbers Listed On The Unit.

How The Part Works

The Window Regulator Is The Mechanism That Transfers Drive From The Electric Motor To The Glass, Guiding Up And Down Motion Inside The Door Shell. Sequential Comfort-Close Function Means The System Can Complete A Closing Cycle Automatically After An Initiating Switch Command Or One-Touch Input, Which Requires Proper Regulator Travel And Limit Calibration.

Replacement Procedure (Overview)

• Prepare Tools: Trim Pry Tools, Socket Set, Torx Bits, Screwdrivers, Gloves, Suction Cup Or Support For Glass.
• Remove Door Card: Carefully Pry Off Interior Trim And Disconnect Any Electrical Connectors (Speakers, Switches).
• Support Or Detach Glass: Secure Glass In Raised Position Or Unbolt And Remove From Regulator Depending On Design.
• Disconnect Electrical Connector: Isolate Window Motor Connector Before Unscrewing Regulator Mounts.
• Unbolt And Remove Old Regulator: Remove Fixing Bolts And Carefully Extract The Mechanism From The Door Cavity.
• Install New Regulator: Position Unit, Tighten Fasteners To Manufacturer Torque Where Available, Reattach Glass And Electrical Connector.
• Test Operation: Check Smooth Up/Down Travel And Function Of Sequential/One-Touch Close; Perform Window Learning/Calibration If Required.

Installation Recommendations

Disconnect Battery Before Starting Work To Prevent Accidental Window Activation And For Personal Safety. Use Proper Trim Tools To Avoid Damaging Door Card. Support The Glass Securely During Removal To Prevent Breakage. After Installation, Cycle The Window Fully Up And Down Several Times To Verify Smooth Movement And To Allow The System To Relearn End Stops If The Vehicle Requires It. If The Sequential/One-Touch Function Does Not Operate Correctly After Fitment, Perform Standard Window Calibration: Fully Lower Then Fully Raise The Window While Holding The Switch To Reinitialize The Travel Limits.

Technical Information

Manufacturer: Stellantis / Citroën
Model: Citroën C3 First Generation — Right Front (Passenger) Door
Product Codes: 1689039580, 400618, 9222AP, 963912
Additional Numbers: 400618, 9222AP, 1689039580, 963912

Most Common Failure Reasons

• Mechanical Wear: Worn Gears, Slides Or Cable Mechanisms Leading To Slippage Or Jamming.
• Motor Failure: Reduced Torque From The Window Motor Causes Slow Or Non-Functional Movement.
• Corrosion And Water Ingress: Moisture Inside The Door Causes Corrosion Of Tracks Or Electrical Contacts.
• Broken Clips Or Mounts: Plastic Fasteners And Retainers Can Break, Causing Misalignment Of The Glass.
• Overloading And Misuse: Forcing Window When Obstructed Or Frequent Heavy Use Accelerates Wear.

Notes For Mechanics And DIY Enthusiasts

This Part Is Supplied Used. When Replacing The Regulator, Inspect Door Mechanisms, Window Channels, And Seals For Damage Or Contamination That Could Cause Premature Failure Of The New Unit. Keep Part Numbers To Hand (1689039580 / 400618 / 9222AP / 963912) To Speed Up Search And Ensure Correct Fitment.

High-quality replacement window regulator mechanism for the left front (driver’s) door of the Citroën C3 first generation. Designed to work with the vehicle’s sequential close feature, this regulator ensures smooth, controlled movement of the window glass and reliable everyday operation. Ideal for professional workshops and DIY mechanics looking for a direct-fit unit identified by common part numbers used in repairs and ordering.

Features And Benefits

– Direct-fit mechanism for the driver-side front door with sequential close functionality.
– Restores smooth up/down movement and eliminates rattles or dropped glass caused by worn regulators.
– Compatible with original mounting points and electrical connector layout for straightforward replacement.
– Useful spare for garages and independent mechanics handling Citroën C3 body repairs or window-related faults.

Technical Information

• Manufacturer: Stellantis (Citroën)
• Model: Citroën C3 (First Generation) — Driver Front Door / Left Front
• Product Codes: 400616; 400619; 9221AQ
• Additional Numbers: 1689040180; 963912

Installation Recommendations

• Disconnect the battery before starting work to avoid short circuits when handling the motor and wiring.
• Remove the interior door trim carefully to access the regulator assembly; keep fasteners and clips organized for reassembly.
• Support the glass (tape in place or use a padded prop) before detaching the regulator to prevent dropping and damage.
• Disconnect the electrical connector to the window motor and unbolt the regulator from the door shell and glass.
• Fit the new regulator, loosely install bolts, align the glass, then tighten fasteners and test window movement before reinstalling the door panel.
• Lubricate guide rails and inspect door seals while reassembling to reduce future wear and noise.
• After installation, verify the sequential close function and full travel; adjust limit stops if necessary.

Why The Part Commonly Fails

Window regulators typically fail from mechanical wear and environmental exposure. Common causes include frayed or snapped cable assemblies, worn plastic guide components or gears, motor burnout from frequent use or overload, and corrosion or debris in the guide rails. Symptoms include slow or jerky window movement, a window that falls into the door, squeaking or grinding noises, or complete loss of movement. Regular lubrication of the guides and prompt repair of water leaks at the door seals help extend service life.

This replacement part is suitable for mechanics and competent DIYers performing routine body and electrical repairs on Citroën C3 vehicles. Check the listed product codes to match your vehicle’s part reference before ordering.