Description
Product Overview
Quality used Air Conditioning Control Unit designed for Peugeot 307 II. Manufactured by BEHR, this control panel handles climate and heater functions to ensure cabin comfort and user control. Frequently searched by part number (9646627977), this unit is a practical replacement for workshops and DIY enthusiasts seeking a cost-effective solution.
Features & Function
The control unit operates the vehicle’s HVAC system: fan speed, temperature selection, vent distribution and air conditioning activation. It integrates with the vehicle’s climate system electronics and communicates with the HVAC actuator modules. Software version 5.0 and hardware versions 4.3, 4.4 and 4.5 are referenced for correct matching with vehicle electronics.
Compatibility
Designed for Peugeot 307 Second Generation (307 II). Compatibility is commonly identified by the product codes listed below. Always verify the part number on your vehicle before ordering to ensure perfect fitment.
Installation & Replacement
Replacement is straightforward for experienced mechanics and competent DIYers. Typical steps include: disconnect the battery, carefully remove the center console trim, unplug the HVAC control connector(s), remove the retaining screws or clips, swap the unit and reconnect all plugs. Reconnect the battery and check all HVAC functions. If the vehicle reports errors, consult the fault codes and confirm software/hardware version compatibility.
Common Failure Causes
Control units can fail due to prolonged wear, moisture ingress, connector corrosion, damaged solder joints or faulty input potentiometers and buttons. Electrical surges or short circuits in the HVAC wiring can also cause malfunction. Matching the correct software and hardware revision reduces compatibility issues.
Technical Information
Manufacturer: BEHR
Model: PEUGEOT 307 II
Product Codes: 9646627977, 6451ZP, 6451ZN, 6451SN, 98001291XT
Additional Numbers: Software 5.0, Hardware 4.3, 4.4, 4.5
Seller Notes & Support
This unit is offered as a quality used part. Seller guarantees full functionality after thorough revalidation. Fast dispatch and technical support are available to assist with fitment questions or installation advice. If you are unsure about compatibility, provide your vehicle VIN and current part number for confirmation.
