Description
Electric window regulator for the left rear window for CITROËN C4 B7. The plastic slider is cracked (common on most cars), but sturdy and fully functional. Rear door on the driver’s side.
Overview
Premium used electric window regulator designed for the left rear door of Citroën C4 B7. Ideal for professional mechanics and experienced DIY enthusiasts who need a reliable replacement part with clearly marked product codes. This unit keeps the window operating smoothly despite a cosmetic crack in the plastic slider, which does not affect functionality.
Technical Information
- Manufacturer: Stellantis / Citroën (Citroën Peugeot)
- Model: Citroën C4 B7 (C4 II); Compatible applications also reported on some DS4 variants
- Product Codes: 9820885280, 9223H0
- Additional Numbers: Secondary internal/reference code 9223H0 (as supplied)
Function
The electric window regulator is responsible for raising and lowering the rear side window. The assembly typically includes an electric motor, cable or scissor regulator, and a plastic slider that guides the glass. Proper operation ensures smooth, quiet movement and correct window alignment within the door frame.
Fitment And Compatibility
Fits Left Rear Door (driver’s side) on Citroën C4 B7 (C4 II). May also be compatible with certain DS4 models—check part codes 9820885280 and 9223H0 against vehicle parts lists when possible. Designed for vehicles using the same mounting points and connector type as original equipment.
Replacement Procedure
- Disconnect the battery before starting work to avoid accidental operation of the motor and for personal safety.
- Remove the interior door trim and any moisture barriers to access the regulator.
- Support the glass in the fully closed position (use tape or a suitable prop) and disconnect the window from the regulator (clips or bolts).
- Unplug the electrical connector and remove the regulator mounting bolts.
- Extract the old regulator and fit the replacement unit, securing mounting points and reconnecting the electrical connector.
- Reconnect the glass to the new slider, carefully test operation (up/down) and adjust glass alignment if required before reassembling the door trim.
Installation Recommendations
- Test the regulator operation before refitting the door panel to ensure correct movement and alignment.
- Lubricate window run channels and guide rails with appropriate lubricant to reduce wear on the slider and motor load.
- Replace any damaged clips, seals or foam pads to prevent vibration and water ingress.
- Use proper tools and, if unsure about electrical connections or door module behavior, consult technical documentation or a professional workshop.
Why The Part Most Often Fails
Plastic slider cracking is a common failure mode on these regulators and is often caused by long-term mechanical wear, exposure to moisture and dirt, or repeated stress from heavy or misaligned glass. Additional causes include cable fraying, motor wear or electrical faults, corrosion of mounting points, and accumulation of debris in the guide channels that increases load on the motor and slider.
Typical Service Life
Service life depends on usage, climate and maintenance. In daily-driven vehicles the regulator may last many years, but sliders and cables commonly show wear after 8–15 years, especially in harsh environments or high-mileage cars.
This window regulator is a practical replacement option for workshops and competent DIYers seeking a cost-effective solution. Check the part codes 9820885280 and 9223H0 against the vehicle parts list to confirm fitment before installation.








