Description
Electric window regulator mechanism for the left front window for Citroën C3 II (A51). Side – Driver Door. Includes electric motor. 6PIN
Restore smooth, reliable operation of the driver-side window with this direct-fit electric window regulator and motor assembly for the Citroën C3 II (A51). Designed for workshop use and competent DIYers, the unit replaces the complete regulator mechanism including the motor and 6PIN electrical connector, reducing installation time compared with separate-component repairs. Commonly searched by part codes 9221FR and 9802617780, this assembly is ideal when the window is noisy, slow, jams, or does not move at all.
Key Features
– Direct replacement for Left Front (Driver Door) on Citroën C3 II (A51).
– Includes Electric Motor and 6PIN Connector.
– Plug-and-play electrical connection where compatible; mechanical fit matches original mounting points.
– Robust construction for workshop repair and DIY restoration.
Technical Information
- Manufacturer: Stellantis (Citroën / Peugeot)
- Model: Citroën C3 II (A51) — Left Front (Driver Door)
- Product Codes: 9221FR
- Additional Numbers: 9802617780, 6PIN
How It Works
The regulator converts rotary motion from the electric motor into linear motion to raise and lower the window glass. The assembly includes rails, cables or scissor arms (depending on the internal design), sliders and the drive motor. When energized, the motor turns a gearbox that drives the regulator mechanism to move the glass along its guides.
Typical Failure Modes
These units most commonly fail due to wear and tear on moving parts and the motor. Typical causes include:
- Motor Wear: Brushes or motor bearings degrade after many cycles, causing slow or no movement.
- Cable Or Slider Damage: Fraying cables or worn sliders/rollers lead to uneven movement or jamming.
- Broken Plastic Components: Plastic brackets or clips can crack under stress or impact.
- Corrosion And Water Ingress: Moisture in the door cavity accelerates corrosion and seizes parts.
- Debris In Tracks: Dirt and grit in guides increase friction and wear.
Replacement Guidance
Recommended For: Professional workshops and experienced DIYers. Basic steps for replacement:
- Disconnect Battery Before Starting Work.
- Remove Inner Door Trim And Moisture Barrier To Access The Regulator.
- Support The Glass Securely (Tape Or Suction) And Loosen Mounting Bolts Connecting Glass To Regulator.
- Disconnect The 6PIN Electrical Connector From The Motor.
- Remove The Regulator And Motor Assembly From The Door, Transfer Any Reusable Clips Or Glass Mounts If Required.
- Install The New Assembly, Secure Bolts, Reconnect The Motor Connector And Temporarily Refit The Glass To Check Operation.
- Verify Smooth Up/Down Travel, Adjust Glass Alignment If Necessary, Then Refit Moisture Barrier And Door Trim.
Installation Recommendations
– Always Disconnect The Vehicle Battery Before Any Work On Door Electronics.
– Inspect Window Guides, Seals And Clips When Replacing The Regulator; Replace Damaged Components To Prevent Premature Failure.
– Grease Guide Rails Lightly With Appropriate Grease To Reduce Friction.
– Test Full Functionality Before Final Reassembly Of Door Trim.
Why This Part Fails Most Often
Frequent use combined with exposure to moisture and dirt is the main reason regulators fail. The motor experiences electrical and mechanical wear, while plastic sliders and clips become brittle over time. Water intrusion into the door can accelerate corrosion of metal parts and shorten service life. Addressing seals and cleaning guides during replacement helps avoid repeat failures.
Order this complete left-front window regulator and motor assembly (codes 9221FR / 9802617780) to return your Citroën C3 II (A51) driver-side window to reliable operation.
