Description
Socket for the left rear outer lamp in the wing of the Peugeot 406 Combi. Supplied with a short length of wiring; bulbs are recommended to be replaced.
Fitment And Function
This replacement bulb socket is intended for the left rear outer lamp mounted in the rear wing of the Peugeot 406 Combi (Estate). It holds the bulb and provides the electrical connection between the vehicle wiring harness and the tail light bulb. The part is frequently sought by part number 6350H5.
Technical Information
- Manufacturer: Stellantis (Peugeot/Citroën)
- Model: Peugeot 406 Combi (Estate) — Left Rear Outer Lamp
- Product Codes: 6350H5
- Other Numbers: NFP
Installation Recommendations
Recommended steps for replacement (general procedure):
- Disconnect the negative battery terminal before starting to avoid short circuits and to protect vehicle electronics.
- Open the tailgate/boot and remove the interior trim to access the rear lamp assembly.
- Unscrew or unclip the lamp assembly retaining fasteners and carefully pull the lamp out of the wing to access the bulb holder.
- Disconnect the wiring connector, remove the old bulb and release the socket from the lamp harness.
- Install the new socket, connect the wiring, and fit fresh bulbs (bulbs are recommended to be replaced together with the socket to ensure reliable contact).
- Test all lamp functions (tail, stop, indicator, and reverse if applicable) before refitting the lamp assembly and trim.
- Use a small amount of dielectric grease on contacts to reduce corrosion and improve long-term conductivity. Tighten fasteners to manufacturer specification and avoid overtightening plastic clips.
Common Failure Causes
- Corrosion from moisture ingress leading to poor contact or open circuits.
- Heat damage or melting caused by excessive bulb temperature or bad contact/arcing.
- Mechanical wear or brittle plastic that cracks after many years or repeated bulb changes.
- Damaged or chafed wiring in the harness causing intermittent or permanent failure.
- Oxidation of metal contacts producing increased resistance and spot heating.
Practical Tips For Mechanics And DIYers
- Always replace bulbs when fitting a new socket to avoid future arcing and to ensure consistent heating characteristics.
- Check surrounding wiring and lamp gaskets for signs of water ingress; replace seals if necessary to prevent repeat failure.
- Keep the area clean and use dielectric grease on contacts to extend service life.
- Search by part number 6350H5 when ordering to speed up finding the correct replacement.
