This direct-fit display unit is intended for Peugeot 308 T7 vehicles and serves as the visual interface for the radio and the on-board computer. Designed for professional workshops and experienced DIY mechanics, the unit restores clear screen readout, menu navigation and status information for infotainment and driver information systems. Replacing a faulty display can revive the vehicle’s user interface, improve diagnostics feedback and eliminate intermittent blank screens or corrupted characters that interfere with everyday use.

Key Features And Benefits

• Compatible With Factory Dash Layout: Fits The Peugeot 308 T7 Instrument Panel Without Major Modifications.
• OEM Part Numbers Included: Helps Fast Identification When Searching By Code.
• Restores Full Menu Visibility: Improves Usability Of Radio, Trip Computer And Vehicle Settings.
• Suitable For Workshops And Skilled DIYers: Clear Instructions For Removal And Installation Provided Below.

Technical Information

• Manufacturer: Stellantis / Peugeot-Citroën
• Model: Peugeot 308 (T7)
• Product Codes: 966631380, 966631380-02, 9821851780
• Other Numbers: 6593P2, 6593P3

Installation Recommendations

• Always Disconnect The Battery Before Starting Work To Prevent Short Circuits And Protect Sensitive Electronics.
• Remove Trim Panels Carefully Using Plastic Trim Tools To Avoid Damage To Clips And Surrounds.
• Unscrew And Slide Out The Radio/Head Unit, Then Disconnect Electrical Connectors And Ribbon Cables Gently—Avoid Pulling On Wires.
• Inspect Connectors For Corrosion Or Bent Pins; Clean Contacts If Necessary Before Installing The New Display.
• After Installation, Power Up The Vehicle And Check All Display Functions. Some Features May Require Diagnostic Activation Or Software Settings To Be Enabled.

How To Replace The Display (Step-By-Step)

• Park On A Level Surface, Switch Off Ignition And Disconnect The Negative Battery Terminal.
• Use Trim Removal Tools To Remove Surrounding Dashboard Panels.
• Unscrew Fasteners Securing The Radio/Cluster, Slide The Unit Forward And Disconnect The Multiway Connectors And Display Ribbon Cable.
• Remove The Old Display Module From The Radio Housing And Fit The Replacement, Ensuring The Ribbon Cable Is Seated Correctly.
• Reinstall The Head Unit, Reconnect All Plugs, Refit Trim Panels And Reconnect The Battery.
• Verify Display Operation And Menu Access. If Certain Functions Do Not Appear, Use Diagnostic Equipment To Enable Required Options.

Why This Part Fails Most Often

• Backlight Or LCD Degradation: Over Time Heat And UV Exposure Can Cause Dimming, Dead Pixels Or Uneven Lighting.
• Ribbon Cable Fatigue Or Connector Issues: Repeated Vibration And Poor Contact Can Create Intermittent Or Permanent Failure.
• Moisture Ingress And Corrosion: Leaks Or High Humidity Can Corrode Contacts And Electronics.
• Software/Compatibility Issues: After Replacement Some Functions May Be Disabled Until Activated By Diagnostic Tools.

If You Search By Part Number, Use The Codes Listed Above To Quickly Find The Correct Unit. This Display Is A Direct Replacement For Units Marked With The Included Product Codes And Is Intended For Technicians Comfortable With Dashboard Electronics And Diagnostic Activation Procedures.

High-quality replacement display for the radio and onboard computer of the Peugeot 407. The unit displays radio station and track information, trip computer data (range, average consumption, trip distances), clock and warning messages. Commonly searched under OE number 9666631380 and reference numbers 659349 / 966631380 — ideal for professional mechanics and DIY car owners looking for a direct-fit replacement.

Overview

This display is designed to restore clear, factory-style readout of audio and vehicle information in the Peugeot 407. It fits the original dashboard opening and uses the factory connectors. Note that some functions may require activation with a diagnostic tool after installation.

Installation

• Disconnect the negative battery terminal before starting work.
• Carefully remove the trim panels around the center console using plastic trim tools to avoid damage to the fascia.
• Unscrew the radio/display mounting fasteners (Torx or Philips depending on the vehicle) and gently pull the unit out of the dash.
• Unplug all electrical connectors and the antenna lead. Inspect pins for corrosion or damage.
• Replace the display/module, reconnect the connectors and test all functions (radio reception, trip computer readouts, illumination) before reassembling.
• Refit trim panels and tighten fasteners to the correct specification.

Technical Information

• Manufacturer: Peugeot (Stellantis)
• Model: Peugeot 407
• Product Codes: 9666631380
• Other Numbers: 659349, 966631380

Mounting Recommendations

Perform the replacement in a dry, well-lit area. Use ESD precautions when handling electronic components and avoid touching circuit boards or connector pins. Verify connector seating and fuses for the radio/display circuit. If certain features remain inactive after fitment, activation via diagnostic equipment may be necessary.

Most Common Failure Causes

Typical causes of display malfunction include backlight degradation, failing electrolytic capacitors, thermal stress, moisture ingress and connector corrosion. Symptoms to watch for are blank or intermittent display, fading backlight, pixel defects or loss of some information fields.

For faster searching and compatibility checks, use the OE number 9666631380 or reference numbers 659349 / 966631380 when sourcing the part.