Description
Heating Control For Citroën Berlingo And Peugeot Partner First Series
High-quality replacement heating control designed for Citroën Berlingo and Peugeot Partner first generation vehicles. This unit allows precise regulation of cabin temperature, fan speed and airflow distribution. Ideal for professional workshops and experienced DIY mechanics who search by product code (030807DA / 030807D / 6451NJ). Compatible with original dashboard mounting and wiring plugs, this control restores full manual climate control functionality and dashboard ergonomics.
Features And Function
The heating control regulates cabin temperature, fan blower speed and vent selection (windscreen, face, feet). It integrates control switches/potentiometers and electronics that send signals to the blower motor, heater valve/actuator and recirculation system. Clear rotary controls and buttons ensure easy operation while driving. Restores lost control over heating, defrosting and ventilation functions.
Technical Information
- Manufacturer: Stellantis (Citroën / Peugeot)
- Model: Citroën Berlingo; Peugeot Partner — First Generation
- Product Codes: 030807DA, 030807D, 6451NJ
- Other Numbers: 6451.NJ
Compatibility
Designed for first generation Citroën Berlingo and Peugeot Partner models that use the same dashboard heater control architecture. Often sought by part number; confirm matching shape, connector count and control layout before installation.
Installation Recommendations
- Disconnect the battery before starting work to avoid short circuits and protect vehicle electronics.
- Carefully remove the surrounding trim panels on the center console using plastic trim tools to avoid damage to clips.
- Unscrew the mounting screws holding the control unit and gently pull the unit forward to access electrical connectors.
- Unplug all connectors, noting their positions or taking a photo to ensure correct reassembly.
- Install the replacement unit by reversing the removal steps: connect plugs, secure with screws, refit trim panels and reconnect the battery.
- After installation, verify all functions: fan speeds, temperature adjustment, airflow direction and backlighting. Test defrost and recirculation to ensure proper operation.
Why The Part Most Commonly Fails
- Wear Of Mechanical Controls: Frequent use causes potentiometers, sliders and rotary switches to wear, leading to intermittent or non-responsive control.
- Thermal Stress And Solder Joint Cracking: Repeated heating and cooling cycles can create cracked solder joints on the PCB, causing intermittent failures.
- Liquid Ingress And Contamination: Spills or moisture reaching the control unit can corrode contacts and damage electronics.
- Broken Knobs Or Plastic Clips: Physical damage during use or removal is common, especially on older vehicles.
Replacement Frequency And Practical Advice
There is no fixed service interval for heating controls; failure typically occurs after many years of use or following accidental damage. If controls become inconsistent, lose functions or backlight fails, replacement of the unit is the most effective permanent fix. When replacing, choose the correct product code to match electrical connectors and control layout.
For Mechanics And DIY Enthusiasts
This part is suitable for professional workshops and skilled DIYers. Searching by the listed product codes (030807DA, 030807D, 6451NJ) will speed up finding the correct unit. Keep trim tools and basic hand tools ready, and follow safe working practices when handling interior plastics and electrical connectors.
Ordering Tip
Customers commonly search using the product codes included above. Use these references when comparing parts to ensure compatibility and correct fitment.
