Description
Electric window lift motor for the front driver’s window. For CITROËN C8 and PEUGEOT 807.
This left-front window regulator motor (driver’s side) is a direct-fit electric drive unit designed for Citroën C8 and Peugeot 807 models. Supplied with OEM reference numbers commonly searched by technicians and DIY enthusiasts, the unit replaces a failed window lift motor to restore reliable up-and-down movement of the door glass. Ideal for professional garages and home mechanics who want a straightforward, durable replacement that fits the original mounting points and electrical connector.
Key Features
– Direct replacement for the left front (driver’s side) window regulator.
– OEM cross-reference codes included for easy lookup.
– Robust electric motor design suitable for passenger and family vans.
– Restores smooth window operation and prevents glass misalignment or rattles.
Technical Information
- Manufacturer: Stellantis (Citroën / Peugeot)
- Model: Citroën C8, Peugeot 807
- Product Codes: 1400794780, 9221AG
- Additional Numbers: Not available
Installation Recommendations
Installation is straightforward for technicians familiar with door trim removal. Basic steps: disconnect the vehicle battery; remove the door trim and plastic moisture barrier; detach the window from the regulator and secure the glass in the up position; unplug the electrical connector and remove the mounting bolts for the motor; fit the new motor, reconnect wiring and test operation before reassembling the door. Check window alignment and lubricate the window channels and regulator rails with suitable grease to ensure smooth movement. Ensure connectors are clean and fully seated to avoid intermittent operation.
Why This Part Fails Most Often
Window lift motors typically fail due to a combination of electrical and mechanical wear: worn carbon brushes or commutator wear inside the motor, water ingress and corrosion from failed door seals, mechanical binding or damage in the regulator mechanism, and overloaded circuits or poor connector contact. Symptoms include slow or intermittent window movement, grinding or clicking noises, and complete loss of motor function. Regularly maintaining seals and lubricating regulator tracks helps extend service life.
Compatible with service and replacement searches by part number, this motor is a practical choice for repairs on Citroën C8 and Peugeot 807 vehicles where the left front window has lost power or is operating unreliably.
