Description
Radio and Trip Computer Display For Peugeot 407. Some functions may need to be activated via diagnostics.
Product Overview
Direct replacement display for the radio and onboard computer in Peugeot 407 vehicles. This unit carries OE references 9666628180, 659349 and 9821852480 and is typically sought by technicians and DIY enthusiasts under those numbers. The display handles radio information, trip computer readouts and various menu functions; certain advanced features may require diagnostic activation after installation.
Key Features
- OE Reference Compatibility: 9666628180 / 659349 / 9821852480.
- Displays Radio Station, Track Info, Time, Trip Computer Data and Menu Messages.
- Direct Fit For Peugeot 407 Factory Radio/Display Systems.
- Ideal For Professional Workshops And Experienced DIYers Performing Electronics Replacements.
Compatibility
Fits Peugeot 407 models equipped with the factory radio/onboard computer. Commonly found on 407 vehicles from the model years around 2004–2011. Verify the OE numbers printed on the original unit to ensure correct match: 9666628180, 659349, 9821852480.
Technical Information
- Manufacturer: Stellantis / Peugeot
- Model: Peugeot 407
- Product Codes: 9666628180, 659349
- Additional Numbers: 9821852480
Installation Recommendations
- Disconnect The Battery Before Starting Work To Prevent Short Circuits And Protect Electronic Modules.
- Remove Dash Trim Carefully Using Non-Marring Trim Tools To Avoid Damage To Clips And Panels.
- Unscrew The Radio/Display Unit, Release Any Locking Tabs And Unplug Connectors Gently—Avoid Pulling On Wiring.
- Inspect Connectors And Harness For Corrosion Or Bent Pins; Clean Contacts If Necessary Before Reassembly.
- Handle The Display Module By Its Housing; Avoid Touching The PCB Or LCD Surface To Prevent Damage And Static Issues.
- After Mechanical Fitment, Some Features May Require Activation Via Diagnostic Tool (e.g., DiagBox) To Restore Full Functionality.
- Test All Display Functions And Backlight Before Final Reassembly.
Why The Part Commonly Fails
- Backlight Degradation Or LED Failure Causing Dim Or Non-Visible Display.
- LCD Pixel Failures Or Dark Spots From Age And Thermal Stress.
- Connector Corrosion Or Poor Electrical Contact Leading To Intermittent Operation.
- Water Ingress Or High Humidity Around The Dash Area Causing Short Circuits Or Corrosion.
- Software/Configuration Issues After Replacement—Some Functions Require Diagnostic Activation.
- Damage During Previous Repairs Or Improper Removal/Reinstallation.
Practical Tips For Workshops And DIYers
- Search By OE Numbers (9666628180, 659349, 9821852480) To Find Matching Units Quickly.
- Keep Replacement Screws And Clips Organized; Trim Clips Often Break And Are Worth Replacing If Damaged.
- If Display Issues Appear Intermittently, Inspect Power Supply And Ground Connections Before Replacing The Unit.
- When In Doubt About Activation Or Reprogramming, Use Appropriate PSA Diagnostic Tools To Enable All Functions.
This replacement display is a practical solution for restoring radio and trip computer visibility in Peugeot 407 vehicles. Correct installation and attention to connectors and diagnostics will ensure reliable operation and return of full functionality.
