This heater fan control module is a direct-fit electronic regulator designed for Citroën C8 and Peugeot 807 models. Ideal for professional workshops and DIY mechanics, the unit restores precise blower motor speed control across all fan settings. Commonly searched by part numbers, this module improves cabin comfort and ensures reliable operation of the heating and ventilation system.

Key Benefits

• Direct replacement for original blower control electronics on Citroën C8 and Peugeot 807.
• Restores smooth fan speed regulation and eliminates stuck or single-speed operation.
• Fits original connector and mounting locations for straightforward installation.
• Often referenced by OE codes for fast identification: 8390149, 6441AV, 6441AW.

Fitment And Application

Designed for Citroën C8 and Peugeot 807 MPV models. Frequently used in repairs where the blower motor does not respond to the climate control selector, operates only on one speed, or runs intermittently. Suitable for technicians and experienced home mechanics familiar with HVAC system access procedures.

Technical Information

• Manufacturer: Stellantis
• Model: Citroën C8, Peugeot 807
• Product Codes: 8390149, 6441AV, 6441AW
• Additional Numbers: 6441AV / 6441AW (alternative designations commonly used in parts catalogs)

Installation Recommendations

• Disconnect The Battery Before Work: Always disconnect the negative battery terminal before starting to prevent electrical damage and avoid short circuits.
• Access Location: The regulator is usually mounted in the blower motor housing or on the heater box under the glovebox or lower passenger dash. Remove trim panels and the glovebox as required to reach the unit.
• Removal Steps: Unplug The Electrical Connector, remove mounting screws or clips, and extract the module. Inspect The Blower Motor Connector And Harness For Corrosion Or Heat Damage.
• Installation Steps: Fit The New Module In The Correct Orientation, secure fasteners to the original torque where applicable, reconnect the electrical connector, and reassemble interior panels.
• Final Check: Reconnect The Battery And Test Fan Operation Across All Speeds. Verify There Are No Unusual Noises Or Overheating.
• Professional Tools: Use standard hand tools and, if available, a multimeter to check supply voltages and continuity before and after replacement.

Why This Part Commonly Fails

• Electrical Wear: Internal electronic components can degrade over time with normal use, leading to loss of speed control or complete failure.
• Moisture And Corrosion: Water ingress or high humidity can corrode terminals and circuit traces, especially if the blower housing seals are compromised.
• Overload From Faulty Blower Motor: A worn or seized blower motor increases current draw, which can overheat and damage the regulator.
• Connector And Harness Damage: Heat, vibration, or rodent damage to wiring can cause intermittent operation or open circuits.
• Symptoms Of Failure: Fan Runs Only On One Speed, No Fan Operation, Intermittent Function, Or Burning Smell From Dash Area.

Practical Tips

• Inspect The Cabin Air Filter And Blower Motor When Replacing The Regulator; A Blocked Filter Or Faulty Motor Shortens Regulator Life.
• Clean Connectors And Apply Dielectric Grease To Prevent Future Corrosion.
• When Replacing, Compare Mounting Points And Connector Pinout To Ensure Correct Part Number Match.

Search And Identification

Customers often search using OE numbers 8390149, 6441AV, or 6441AW. Use these codes when locating the correct part for Citroën C8 and Peugeot 807 applications to speed up identification in parts catalogs.

This Left Auxiliary Air Blower (Driver’s Side) is a direct-fit replacement for Citroën C8 and Peugeot 807 models. Designed for professional workshops and experienced DIY mechanics, the unit restores proper airflow in heating, ventilation and air conditioning circuits, helping to maintain cabin comfort and HVAC efficiency. Commonly searched by part numbers 1401396180, 1485725080 or 6441AW, this spare part is ideal when the original fan shows noise, intermittent operation or a complete failure.

Technical Information

• Manufacturer: Stellantis (Citroën / Peugeot)
• Model: Citroën C8, Peugeot 807
• Product Codes: 1401396180, 1485725080, 6441AW
• Additional Numbers: 1401396180 | 1485725080 | 6441AW

Function And Benefits

The auxiliary air blower provides supplemental airflow for the vehicle’s HVAC system on the driver’s side. It supports heating and air conditioning performance by ensuring even distribution of air through ducts, preventing hot or cold spots, and assisting defogging of the windshield and side windows. Key benefits include restored cabin comfort, quieter operation compared to a worn motor, and reliable integration with the vehicle’s ventilation controls.

Installation Recommendations

• Safety First: Disconnect the negative battery terminal before starting any work on electrical components to avoid short circuits or damage.
• Access: The unit is located on the driver’s side; remove any necessary trim panels, glovebox or side panels to reach the blower housing depending on vehicle configuration.
• Disconnect: Unplug the electrical connector and any ducting or mounting clips carefully to avoid breaking plastic parts.
• Remove And Replace: Unscrew the mounting fasteners, remove the old blower, fit the new unit in the same orientation and secure all fasteners to original positions.
• Test: Reconnect the battery and verify operation at all fan speeds and HVAC modes. Check for abnormal noise or vibration.
• Final Checks: Ensure connectors and seals are clean and dry. Replace any damaged clips or seals to prevent air leaks and rattles.

Most Common Failure Causes

• Wear Of Motor Bearings: Over time bearings can wear out, causing noise and reduced rotation leading to failure.
• Debris In The Housing: Leaves, dust and foreign objects can jam the impeller or cause imbalance and damage.
• Moisture And Corrosion: Water ingress or corroded electrical connectors can lead to intermittent operation or short circuits.
• Electrical Issues: Blown fuses, damaged wiring or faulty connectors reduce power to the blower motor.
• Aging And Heat Stress: Prolonged exposure to heat and repeated cycles shorten motor life.

Note: This part is frequently located and ordered by its product codes (1401396180, 1485725080, 6441AW). For efficient servicing, replace worn fans promptly to avoid secondary issues such as uneven heating, window fogging or additional strain on HVAC controls.

Overview

This Left Auxiliary Air Fan is a direct-fit electrical component designed for the Citroën C8 and Peugeot 807 HVAC systems. Positioned on the driver side, the fan supports cabin air circulation and complements the main blower to ensure efficient heating, ventilation and air conditioning performance, especially in dual-zone and complex ducting layouts common to these MPV models.

Key Benefits

• Restores proper airflow to the driver side vents and improves HVAC responsiveness.
• Reduces uneven cabin temperatures and eliminates weak or intermittent airflow at low or high fan speeds.
• Direct replacement for original equipment numbers to simplify parts lookup and ordering.

Technical Information

• Manufacturer: Stellantis (Citroën / Peugeot)
• Model: Citroën C8, Peugeot 807
• Product Codes: 1485725080, 1401396180, 6441AW
• Additional Numbers: 1401396180 | 1485725080 | 6441AW
• Fitment: Left / Driver Side

Function

The Auxiliary Air Fan supports the vehicle HVAC system by driving air through secondary ducts and outlets. It helps maintain consistent cabin temperatures, assists demisting/defogging on the driver side, and takes load off the main blower under specific operating modes.

Common Failure Modes

• Worn Bearings Causing Noise Or Reduced Speed — Over Time Bearings Wear Out, Producing Grinding Or Rattling.
• Contamination — Dust, Debris Or Leaves In The Housing Can Block The Fan Wheel And Reduce Airflow.
• Moisture And Corrosion — Water Ingress Can Damage The Motor Or Electrical Connectors.
• Electrical Faults — Intermittent Operation May Be Caused By Connector Corrosion, Broken Wires Or a Failed Motor.

Expected Service Life

Service life Depends On Use And Environment. Under Normal Conditions The Fan Typically Lasts Several Years; Failures Are Often Observed After Long Service (Multiple Years Or High Mileage) When Bearings Wear Or Contaminants Accumulate.

Replacement Procedure (Overview For Mechanics And DIY)

Basic Steps To Replace The Fan:

1. Prepare The Vehicle: Park On Level Ground, Switch Off Ignition And Disconnect The Negative Battery Terminal To Prevent Short Circuits While Working On Electrical Components.
2. Access The Unit: Remove Relevant Interior Trim Or Glovebox Panels To Reach The HVAC Housing On The Driver Side. Some Models Require Removing The Under-Dash Panel Or Access Cover.
3. Disconnect Electrical Connector: Unplug The Fan Harness Carefully And Inspect For Corrosion Or Damage.
4. Unbolt And Remove Old Fan: Remove Fasteners Retaining The Fan Assembly And Extract The Unit From The Housing.
5. Install Replacement Fan: Fit The New Fan In Correct Orientation, Secure Fasteners To Specified Torque, Reconnect The Electrical Connector And Reassemble Trim.
6. Test Operation: Reconnect Battery, Start The Vehicle, Cycle All Fan Speeds And Modes To Verify Smooth Operation, No Unusual Noise And Proper Airflow To Driver Side Vents.

Installation Recommendations

• Always Disconnect The Battery Before Working On Electrical Components To Avoid Short Circuits.
• Inspect Wiring And Connectors During Replacement; Repair Any Corroded Or Damaged Terminals To Prevent Future Failures.
• Clean The Fan Housing And Ducts Of Debris Before Installing The New Unit To Maximize Airflow And Lifespan.
• Use Correct Fasteners And Avoid Over-Tightening To Prevent Housing Distortion Or Noise.
• After Installation, Confirm Operation Across All Fan Speeds And Check For Unusual Vibrations Or Noise That May Indicate Obstruction Or Misalignment.

Why This Part Is Often Searched By Product Number

Technicians And DIY Enthusiasts Frequently Search By Original Equipment Numbers (1485725080 / 1401396180 / 6441AW) To Ensure Exact Fitment For Citroën C8 And Peugeot 807 Applications. Including These Codes In Listings Helps Faster Identification And Reduces Risk Of Ordering Incorrect Components.

Final Notes

This Left Auxiliary Air Fan Is A Practical Replacement For Restoring HVAC Performance On Citroën C8 And Peugeot 807 Vehicles. Follow Safe Working Practices During Replacement And Verify Electrical Connections And Ducting Are Clean For Long-Term Reliability.