Description
AFIL lane-keeping sensor number 3 for CITROËN and PEUGEOT vehicles. A screw that secures the unit to the wheel arch may be seized — it may need to be drilled out.
The AFIL (lane-keeping/lane-departure) sensor is a direct-fit replacement part frequently searched by part numbers 9659847380 and 6590W1. Designed for Stellantis group vehicles, this sensor monitors lane position and provides input to the lane-keeping/driver-assist systems. Ideal for professional workshops and DIY mechanics, the unit is a common replacement when lane-assist warnings appear or when the system reports a sensor fault. Including OE reference numbers in your search will increase the chance of finding the correct unit quickly.
Technical Information
- Manufacturer: Stellantis
- Model: Citroën C4, Citroën C4 Picasso, Citroën C5, Citroën C5 X7, Citroën C6, Peugeot 308, Peugeot 407
- Product Codes: 9659847380, 6590W1, 603.013
- Other Numbers: 9659847380 | 6590W1
Installation Recommendations
Before starting, Disconnect The Battery To Avoid Short Circuits. Access Typically Requires Removal Of Interior Trim Or Under-Wheel-Arch Covers To Reach The Sensor Unit. Carefully Unplug The Electrical Connector And Remove Mounting Fasteners. Note That The Screw Securing The Unit To The Wheel Arch Can Be Seized; In Such Cases Drill-Out Or Careful Extraction May Be Necessary. Check Connector Pins For Corrosion, Clean Mating Surfaces, And Apply Dielectric Grease To Prevent Future Moisture Ingress. After Mechanical Fitment, The System Usually Requires Recalibration Or A Fault Code Clear Using Manufacturer Diagnostic Equipment. If You Are Unsure, Have Calibration Performed By A Workshop With Appropriate Diagnostic Tools.
Why This Part Fails Most Often
Common Causes Of Failure Include Physical Impact (Bumper Or Minor Collision), Moisture Ingress Leading To Corrosion Of Contacts, Wiring Or Connector Damage, And Seized Mounting Screws Due To Rust. Electronic Faults Can Also Arise From Water Penetration Or Long-Term Vibration. Failures Often Present As Lane-Assist Warnings, Intermittent Operation, Or Permanent Fault Codes From The Vehicle’s Driver-Assistance System.
Buying tip: Search Using The OE Numbers 9659847380 Or 6590W1 When Looking For Direct Replacements For Citroën And Peugeot Models To Ensure Compatibility.
