Description
Left rear fog light for Peugeot 407 SW. Complete with socket; bulb function not guaranteed.
This left rear fog light is a direct-fit replacement for Peugeot 407 SW vehicles and is designed for mechanics and experienced DIYers who need a reliable exterior lighting unit. The assembly is supplied complete with socket, which simplifies replacement of a damaged or non-functioning rear fog lamp. Frequently searched by part numbers 9646507480 and 6350T4, this unit restores the rear fog signalling required for safe driving in low-visibility conditions and helps keep the vehicle road-legal.
Technical Information
- Manufacturer: Stellantis / Peugeot
- Model: Peugeot 407 SW
- Product Codes: 9646507480, 6350T4
- Other Numbers: —
Function And Benefits
The rear fog light increases vehicle visibility to traffic behind during heavy fog, rain or snow. This assembly includes the housing and socket, providing a ready-to-fit unit that eliminates the need to source separate connectors. A correct, intact fog lamp helps prevent rear-end collisions in poor visibility and ensures compliance with lighting regulations.
How The Part Is Replaced
Replacement is typically performed from inside the luggage compartment by removing the trim panel behind the light cluster. On some vehicle variants access requires partial bumper or inner trim removal. Steps (general):
- Disconnect Negative Battery Terminal Or Ensure Ignition Is Off Before Working On Electrical Components.
- Remove Inner Trunk Lining Or Access Panel To Reach The Fog Lamp Housing.
- Disconnect Electrical Connector And Remove Retaining Screws Or Clips Holding The Assembly.
- Fit The New Assembly, Secure Fasteners And Reconnect The Connector. Replace Any Seals Or Gaskets If Damaged.
- Test Fog Light Function After Installation; Replace Bulb If Required (Bulb Condition Not Guaranteed).
Installation Recommendations
- Inspect Connector Pins For Corrosion And Clean Contacts Before Reinstallation; Use Dielectric Grease To Improve Long-Term Contact.
- Replace Any Damaged Seals To Prevent Water Ingress That Causes Early Failure.
- Secure Mounting Points To Manufacturer Torque Where Applicable; Avoid Over-Tightening Plastic Fasteners.
- Check Wiring Harness For Chafing Or Previous Repairs; Repair Or Insulate Damaged Wires To Avoid Intermittent Faults.
Why This Part Most Often Fails
- Water Ingress Causing Corrosion Of Contacts And Socket Failure.
- Impact Damage To Lens Or Housing From Minor Collisions Or Road Debris.
- Electrical Issues Such As Corroded Connectors, Broken Wires Or Faulty Grounds.
- Bulb Failure—Bulb Condition May Be Unknown On Supplied Units, So Replacing The Bulb During Installation Is Common.
Buying this complete left rear fog lamp with socket is a practical solution for workshops and competent DIYers seeking a straightforward replacement part identified by OE numbers 9646507480 and 6350T4. Ensure seals and connectors are checked during fitment to maximize service life and reliability.
