Description
The Denso Heater Servo Motor A 21200680 21200600 EFB350 6447XA is a used HVAC actuator designed for PSA vehicles. It is compatible with Citroen C4 Picasso, Citroen Berlingo and Peugeot Partner second generation models and is intended to restore accurate control of heater flaps and cabin temperature. This unit offers a practical, cost-effective replacement for worn or failed heater servos.
Compatibility
Suitable For: Citroen C4 Picasso, Citroen Berlingo, Peugeot Partner (II). Always verify the part number against your vehicle before ordering.
Function And Common Failure Causes
The heater servo motor controls the position of HVAC flaps (temperature/blend doors or distribution flaps) to regulate airflow and cabin temperature. Typical failure symptoms include inconsistent cabin temperature, clicking or grinding noises from the dashboard, stuck flaps or loss of control through the climate controls. Failures are most often caused by worn plastic gears, motor wear, water ingress, connector corrosion or accumulated debris.
Replacement And Installation
Replacement is straightforward for experienced technicians or skilled DIYers. The actuator is usually accessed from behind the glovebox or lower dash panel. Typical steps: disconnect the battery for safety, remove the glovebox or access panel, unplug the electrical connector, remove the retaining screws, replace the servo and refit in reverse order. After installation, operate the HVAC through its full range to confirm correct flap movement and restore normal temperature control.
Condition And Notes
Condition: Used and tested, supplied in good working condition. As with any replacement part, proper inspection and correct installation are essential. If you are unsure about the procedure, consult a professional workshop to avoid additional damage.
Technical Information
- Manufacturer: Denso
- Model: A 21200680 21200600 EFB350 6447XA
- Product Codes: 6447XA
- Other Numbers: EFB350
