Radio and On-Board Computer Display Peugeot 407 9821852480 659349

Description

Display of the radio and onboard computer for Peugeot 407 vehicles. Some functions may need to be activated by diagnostic equipment.

Overview

This replacement display is intended for the radio and instrument computer of the Peugeot 407. It restores clear readout of radio information, clock, trip computer and simple onboard messages. The unit is a direct-fit component that is commonly listed by OEM reference numbers 9821852480 and 659349, making it easy to find by part number when searching online or in spare-part catalogs.

Key Features & Function

• LCD Module For Radio And Onboard Computer Displaying Station, Track, Clock, And Trip Data
• Direct Replacement For Factory Dashboard Display In Peugeot 407
• May Require Diagnostic Activation For Certain Functions (see First Paragraph)
• Restores Readability When Original Screen Has Failed, Dimmed Backlight, Or Pixel Defects

Compatibility / Fitment

Fits Peugeot 407 models (Sedan, SW, Coupe), model years approximately 2004–2011. Compatibility is usually determined by OEM part numbers 9821852480 and 659349—search these codes when verifying fit for a specific vehicle.

Technical Information

• Manufacturer: Stellantis (Citroën / Peugeot)
• Model: Peugeot 407
• Product Codes: 9821852480, 659349
• Additional Numbers: —

How The Part Is Replaced

Basic replacement steps for a competent mechanic or experienced DIYer:

1. Disconnect The Battery Before Any Work To Avoid Short Circuits Or Damage To Electronics.
2. Remove Center Trim Panels Surrounding The Radio Using Trim Tools To Avoid Damage.
3. Unscrew The Radio Unit Fasteners And Carefully Slide The Unit Out Of The Dash.
4. Unplug Multiway Connectors And Any Antenna Or Auxiliary Cables.
5. Replace The Display Module Or Swap The Complete Radio Unit, Reconnect Connectors And Refit Screws.
6. Reassemble Trim Panels, Reconnect Battery, And Verify Display Operation. Some Features May Require Diagnostic Activation.

Installation Recommendations

Work Should Be Performed By An Experienced Technician Or By A Knowledgeable DIYer With The Right Tools. Always Use Non-Marring Trim Removal Tools, Keep Screws Organized, And Avoid Excessive Force On Plastic Clips. If The Display Is Part Of A Larger Radio Assembly, Consider Replacing The Entire Unit If Internal Connections Or Control Boards Appear Damaged. After Installation, Check All Radio And Trip Computer Functions; If Some Features Are Inactive, A Diagnostic Tool May Be Needed To Activate Or Configure Them.

Why This Part Fails Most Often

Common Failure Modes For Peugeot 407 Displays Include:

• Backlight Failure Or Dimming Due To Ageing LEDs/Components
• LCD Pixel Defects, Dark Spots Or Lines From Panel Damage Or Internal Degradation
• Cold Or Broken Solder Joints Causing Intermittent Display Or Loss Of Segments
• Connector Corrosion Or Wiring Issues Causing Loss Of Signal/Power To The Module
• Water Ingress From Spills Or Leaks Leading To Short Circuits Or Corrosion

Regular exposure to heat and vibration shortens the life of electronic dash components; careful handling during removal and reinstallation reduces the risk of damage.

Practical Tips For Mechanics

• Search By OEM Codes 9821852480 Or 659349 To Quickly Locate Matching Replacements.
• Inspect Connectors For Bent Pins And Clean Contacts Before Declaring The Display Faulty.
• Retain Original Screws And Clips; Replacements Can Be Difficult To Source In Some Interiors.

Summary

This display restores clear radio and onboard computer readout in Peugeot 407 dashboards. It is a practical spare for workshops and skilled DIYers who maintain older 407 models. When replacing, follow safe electrical procedures, handle internal connectors carefully and be prepared to use diagnostic tools if certain functions require activation.