Description
Electric fuel flap lock for Citroën C5 and Peugeot 407
This electric fuel filler flap lock is a direct-fit replacement for Citroën C5 (Phase I & II) and Peugeot 407 models. Designed for workshops and skilled DIY enthusiasts, the unit restores secure locking and reliable electrical operation of the fuel flap. Commonly searched by part number 661520, this lock is suitable when the original latch becomes inoperative due to wear, corrosion or electrical faults.
Technical Information
- Manufacturer: Stellantis (Citroën / Peugeot)
- Model: Citroën C5 I & II; Peugeot 407
- Product Codes: 661520
- Additional Numbers: NFP (as marked)
Installation Recommendations
Replacement is straightforward for a trained mechanic and achievable for experienced DIYers with basic tools. Typical steps:
- Open The Fuel Flap And Access The Inner Trim: Depending On Model, Remove The Wheel Arch Liner Or Inner Trunk/Quarter Panel Trim To Reach The Lock From Behind.
- Disconnect Battery Or Ensure Ignition Off: Isolate Power To Avoid Short Circuits While Working On The Electrical Connector.
- Unplug Electrical Connector And Remove Fasteners: Carefully Release The Connector Clip, Unscrew The Mounting Bolts/Screws And Remove The Old Lock.
- Fit The New Lock: Position The Replacement Unit, Tighten Fasteners To The Manufacturer’s Torque Range, Reconnect The Electrical Connector And Reassemble Trim Parts.
- Test Operation: Cycle The Lock Electrically Several Times, Check For Smooth Mechanical Latching And Confirm The Fuel Flap Opens/Locks Correctly With Central Locking And Keyfob Commands.
Tools Needed: Torx/Screwdriver Set, Trim Removal Tools, Multimeter For Electrical Checks. Use Dielectric Grease On Connectors To Reduce Future Corrosion. If The Lock Does Not Operate Electrically, Inspect Fusebox And Wiring Harness Before Replacing More Components.
Most Common Reasons For Failure
- Corrosion And Water Ingress: Exposure To Moisture Causes Switch Or Actuator Failure And Stiff Mechanical Movement.
- Mechanical Wear: Repeated Use Leads To Worn Latch Components That Fail To Hold Or Release Reliably.
- Electrical Faults: Broken Wiring, Damaged Connector Pins Or Blown Fuses Can Prevent The Actuator From Receiving Power.
- Contamination: Dirt And Debris Around The Latch Can Impair Movement, Making The Lock Jam.
Buying this OEM-compatible unit with the correct product code (661520) helps ensure a precise fit and reliable performance, reducing workshop time and getting vehicles back on the road quickly.
