Description
Socket for the right rear inner lamp in the tailgate for PEUGEOT 406 Estate. Includes a short length of wiring; bulbs are recommended to be replaced.
Overview
Replacement socket for the right rear inner lamp in the tailgate of PEUGEOT 406 Estate (Combi). Marked 6351H6 (NFP) and associated with Stellantis Citroën Peugeot. This part is commonly searched by its product code 6351H6, making it easy to find for professional workshops and DIY enthusiasts working on rear lamp repairs.
Function And Application
The lamp socket secures the bulb in the tailgate inner lamp assembly, provides the electrical connection to the vehicle wiring, and helps maintain correct bulb alignment for brake, tail, and indicator functions depending on lamp configuration. It is supplied with a short pigtail to simplify replacement without splicing into the main harness.
Compatibility
- Peugeot 406 Estate (Combi) – Tailgate Right Inner Lamp
Replacement Procedure
Designed for fitment by experienced technicians and competent DIYers. Typical replacement steps:
- Disconnect the negative battery terminal or isolate vehicle power before starting to avoid short circuits.
- Open the tailgate and remove the inner trim panel to access the lamp assembly.
- Remove the lamp unit or access cover, extract the old socket by turning or releasing the retaining clip, and unplug the connector.
- Replace the socket with the supplied pigtail, ensure a secure electrical connection and correct bulb seating, and test lamp functions before reassembly.
- Refit trim panels and verify that seals and clips are correctly positioned to prevent water ingress.
Why This Part Fails Most Often
Common failure causes include corrosion of the contact pins due to moisture ingress, brittle or broken wiring at the solder/connector junction (especially in tailgates exposed to vibration), and heat damage from poor bulb seating or overloaded bulbs. Mechanical wear of the plastic retaining features can also cause poor contact or intermittent operation.
Installation Recommendations
- Replace bulbs when fitting a new socket to ensure reliable contact and to avoid reusing an old or weakened filament lamp.
- Clean mating contacts and apply a small amount of dielectric grease to help prevent future corrosion.
- Ensure wiring is routed and secured to avoid chafing when the tailgate is opened and closed.
- Check rubber seals and grommets around the lamp housing to reduce the risk of water ingress that accelerates corrosion.
Technical Information
- Manufacturer: Stellantis (Citroën Peugeot)
- Model: Peugeot 406 Estate (Combi) – Tailgate Right Inner Lamp
- Product Codes: 6351H6, 6351H6 NFP
- Other Numbers: Not Available
Suitability For Workshops And DIY
This part is suitable for professional garages and home mechanics. The repair is straightforward for technicians familiar with trim removal and lamp assemblies. Having basic hand tools and a multimeter for verifying continuity is recommended.
Note On Bulbs
Always replace bulbs with the correct type and wattage specified for the vehicle. Using incorrect bulbs can lead to overheating, premature socket failure, or blown fuses.
