Description
Fan Regulator For Citroën Peugeot Vehicles. Fits Models Citroën C3 II, C4, C5 III, C6, DS3; Peugeot 407. Fully Functional, Tested.
This Fan Regulator (blower motor resistor/regulator) Is A Direct Replacement Part Designed For Citroën And Peugeot Heating, Ventilation And Air Conditioning Systems. It Controls Blower Motor Speeds To Ensure Smooth Fan Operation Across All Settings, Restoring Proper Cabin Heating And Cooling Performance. The Unit Is Often Searched By Its Part Number, So Listing The Correct Codes Below Helps Mechanics And DIY Enthusiasts Find The Right Component Quickly.
The Regulator Is Suited For Professional Workshops And Home Mechanics Alike: It Offers A Straightforward Swap When The Blower Loses Some Speeds Or Only Works On High Setting. Replacing The Module Typically Restores Full Fan Function Without The Need To Change The Blower Motor Unless That Unit Shows Excessive Wear.
Technical Information
Manufacturer: Stellantis / Citroën / Peugeot
Model: Citroën C3 II, C4, C5 III, C6, DS3; Peugeot 407
Product Codes: 6441S7
Additional Numbers: 9017094, F8840002, 5HL 008 941-03
Installation Recommendations
Disconnect The Battery Before Starting Work. Access The Regulator Via The Passenger Footwell Or Behind The Glovebox Depending On The Model; The Unit Is Typically Mounted Close To The Blower Motor And Secured With A Few Screws. Remove The Electrical Connector Carefully—Avoid Pulling On Wires—Unscrew The Old Module, Fit The New Regulator In The Same Orientation, Reconnect The Plug And Reassemble Interior Panels. After Installation, Test All Fan Speeds And Check Related Fuses. If Fan Speeds Still Fail, Inspect The Blower Motor And Wiring For Excessive Current Draw Or Damage.
Why This Part Fails Most Often
Failure Usually Results From Overheating, Moisture Ingress Or Corrosion In The Connector Area, And From Increased Current Draw Caused By A Worn Or Jammed Blower Motor. Accumulated Dust And Debris Can Also Cause Heat Build-Up, While Ageing Electronic Components May Lose Reliability Over Time. Addressing The Root Cause—For Example Replacing A Failing Blower Motor—Prevents Premature Repeat Failures.
Common Symptoms Indicating A Faulty Regulator Include Loss Of Some Fan Speeds, Fan Working Only On High, Intermittent Fan Operation, Or Burnt Smell From The Dash Area. Because The Part Is Frequently Searched By Its Part Number (6441S7 And The Listed Additional Numbers), Using These Codes Helps Ensure Correct Replacement.
