Description
Electric motor for the left front window regulator for Citroën C4 first generation – Driver’s door.
Overview
This replacement electric window motor is designed for the left front (driver’s) door of the Citroën C4 first generation. It drives the window regulator to raise and lower the glass smoothly and reliably. Ideal for professional garages and DIY mechanics, the unit is commonly searched and ordered by OEM part numbers such as 9647442280 and 9221AW, which are included below for quick identification.
Key Benefits
- Direct fit for Left Front Door applications on Citroën C4 First Generation vehicles.
- Restores reliable window operation when original motor fails or becomes noisy.
- Easy to source by part number – useful for fast diagnosis and ordering in workshops.
Technical Information
- Manufacturer: Citroën / Peugeot (Stellantis)
- Model: Citroën C4 (First Generation) – Driver’s Door
- Product Codes: 9647442280, 9221AW
- Other Numbers: 9681575280, 9647441480
Function And Application
The motor converts electrical power into mechanical movement to operate the window regulator mechanism. It is mounted to the regulator assembly inside the door and engages a gear train or worm drive to move the window glass up and down. Correct operation depends on a secure electrical connection, intact regulator mechanism, and unobstructed window channels.
Installation Recommendations
Recommended for qualified technicians or experienced DIY mechanics. Typical replacement steps:
- Disconnect the negative battery terminal before starting to avoid electrical short circuits.
- Remove inner door trim and protective vapor barrier carefully to access the regulator.
- Lower the window to a position where glass can be supported and detached from the regulator.
- Support the glass securely to prevent it from falling when the regulator is loosened.
- Unplug the electrical connector to the motor and remove the mounting bolts securing the motor to the regulator.
- Transfer any mounting plates or linkages to the new motor if required and install the replacement unit.
- Reconnect the electrical connector, temporarily reconnect the battery, and test window travel before reassembling the door trim.
- Reassemble door trim and confirm full function. Ensure window alignment and smooth travel.
Most Common Failure Causes
- Wear of internal brushes or commutator leading to intermittent or no operation.
- Gear or worm drive wear causing noisy operation or inability to move the window under load.
- Water ingress and corrosion inside the motor or connector areas, especially in older seals.
- Overheating from repeated heavy use or a binding regulator assembly increasing load on the motor.
- Electrical faults such as poor connector contact or wiring damage between switch and motor.
Notes For Buyers
Many technicians and DIY enthusiasts search using OEM part numbers. Use the product codes listed above to confirm fitment for Citroën C4 first generation vehicles. When replacing the motor, inspect the regulator, window tracks, and wiring to avoid early repeat failures.
