Description
Overview
Heater servo motor manufactured by Valeo for Citroën and Peugeot vehicles. This quality used part is compatible with Citroën C2, C3 and other PSA models and restores precise control of the HVAC blend and air distribution system.
Key Features
- Direct replacement for OE codes F663746X.B, F663746X.C and 6447NL
- Controls heater and vent flap position for accurate cabin temperature regulation
- Sturdy Valeo construction designed for durable everyday use
- Suitable for professional mechanics and experienced DIY installers
Technical Information
- Manufacturer: Valeo
- Model: Citroën C2, Citroën C3 and compatible Peugeot models
- Product Codes: F663746X.B, F663746X.C, 6447NL
- Other Numbers: 6447NL
Compatibility
Fits Citroën C2, Citroën C3 and multiple PSA/Peugeot models that share the same HVAC components. Always verify the part numbers (F663746X.B / F663746X.C / 6447NL) against your vehicle’s requirement before ordering.
Installation
Replacement is straightforward for experienced DIYers and professional technicians. Typical procedure: disconnect the battery, access the HVAC housing (usually beneath the dashboard or behind the glovebox), remove retaining screws and the electrical connector, fit the new servo motor and reassemble. After installation, cycle HVAC controls to confirm correct flap movement and temperature response.
Common Failure Modes & Maintenance
Servos commonly fail due to worn internal gears, motor wear, contaminated or corroded connectors, or damage from moisture and debris. Symptoms include stuck flaps, incorrect or unstable cabin temperature, clicking or grinding noises. Regular inspection and careful handling during disassembly will help extend service life.
Why Choose This Part
This Valeo heater servo motor is a cost-effective solution to restore climate control performance. The used unit has been carefully tested to ensure reliable operation and offers OE-compatible fitment for repairs and maintenance.
