Description
Ignition barrel, driver’s door lock and one key. For CITROEN PEUGEOT vehicles. It is from PEUGEOT 407.
Overview
This complete lock set replaces the worn ignition barrel and the driver’s door lock on Peugeot/Citroën vehicles. Supplied with one key, the unit is sourced from a Peugeot 407 and is intended as a direct replacement for that application. Ideal for professional workshops and experienced DIY mechanics who need a reliable mechanical lock and key set to restore secure vehicle access and ignition operation.
Key Features
- Complete Set: Ignition Barrel, Driver’s Door Lock And One Key
- Direct Fit For Peugeot 407 Applications
- OE Product Codes: 4162EQ, 4162EA
- Suitable For Replacing Worn Or Damaged Locks Causing Mechanical Or Access Issues
How To Replace
Replacement requires basic mechanical skills and common tools. Typical procedure:
- Disconnect The Battery Before Starting Work To Avoid Electrical Short Circuits And Immobilizer Issues.
- Remove Steering Column Covers To Access The Ignition Barrel (If Replacing The Ignition Barrel).
- Unscrew And Remove The Old Ignition Barrel Or Door Lock Mechanism; Keep Fasteners For Reuse If Intact.
- Fit The New Ignition Barrel Into Position, Ensure Correct Alignment Of The Lock Cylinder And Engage Any Retaining Clips.
- Install The Driver’s Door Lock, Reconnect Any Wiring For Central Locking Actuator If Present, And Test Mechanical Operation Of The Lock.
- Cut The Supplied Key To Match The Lock Profile If Required; After Mechanical Fitment, Verify That The Key Turns Smoothly And Operates The Steering Lock And Door.
- If The Vehicle Uses A Transponder Immobilizer, Key Transponder Programming May Be Required For Engine Start. Use Appropriate Diagnostic Or Key Programming Equipment.
Technical Information
- Manufacturer: Stellantis / Citroën / Peugeot
- Model: Peugeot 407
- Product Codes: 4162EQ, 4162EA
- Other Numbers: N/A
Installation Recommendation
- Perform Installation In A Clean, Dry Environment To Prevent Dirt Or Moisture Entering The Lock Mechanism.
- Use Appropriate Non-Greasy Lock Lubricant (Graphite Or Dedicated Lock Spray) When Reassembling Mechanical Components.
- Check Central Locking Actuator Wiring And Electrical Connections When Replacing The Door Lock; Faulty Wiring Can Mimic Mechanical Failure.
- When Key Transponder Pairing Is Needed, Use Certified Diagnostic Or Key Programming Equipment; Many Dealers And Qualified Locksmiths Offer This Service.
Most Common Reasons For Failure
- Mechanical Wear Of Tumblers Or Cylinder Caused By Long-Term Use Or Heavy Keying.
- Broken Or Worn Keys Leading To Cylinder Damage.
- Corrosion Or Moisture Ingress In The Door Lock Or Ignition Barrel.
- Damage From Forced Entry Or Vandalism.
- Electrical Or Actuator Faults Affecting Central Locking Operation (If Door Lock Is Electrically Assisted).
Why Choose This Part
This unit provides a practical and cost-effective way to restore secure access and reliable ignition operation for Peugeot 407 vehicles. With OE product codes 4162EQ and 4162EA, it is recognizable during parts searches and is frequently sought by mechanics and DIY enthusiasts replacing worn locks or lost keys.
Order this ignition barrel and driver’s door lock set to get a straightforward replacement for vehicles using the listed product codes. Ensure proper key cutting and any necessary immobilizer programming to restore full vehicle function.
