OEM-quality rear fog lamp suitable for mechanics and DIY enthusiasts seeking a direct replacement for damaged or non-functioning units. This used left rear fog light carries original Stellantis/Citroën references (9653548780 / 6350AA / 6350HS) and is a cost-effective solution to restore rear visibility and legal compliance. The housing is complete and ready to be refitted; cosmetic signs of prior use do not affect functionality when electrical contacts and seals are intact.

Technical Information

• Manufacturer: Stellantis (Citroën)
• Model: Citroën C4 Picasso, Citroën C4 Grand Picasso
• Product Codes: 9653548780, 6350AA, 6350HS
• Additional Numbers: 6350AA / 6350HS (alternative references often used in listings)

Function

The rear fog light increases the vehicle’s visibility to following traffic in poor visibility conditions such as heavy rain, fog, or snow. It is mounted in the rear bumper and integrates the lamp carrier and lens to project a powerful, focused red beam. Proper operation is essential for road safety and to meet local vehicle regulations.

Fitment & Applications

Designed for Citroën C4 Picasso and Citroën C4 Grand Picasso models. Compatibility is primarily determined by the part numbers listed above (9653548780 / 6350AA / 6350HS). Use the product codes when searching for fitment confirmation or cross-references.

Installation Recommendation

1. Prepare Tools: set of screwdrivers, trim tools, socket set, and gloves.
2. Safety First: Disconnect the negative battery terminal before starting work to avoid short circuits and protect vehicle electronics.
3. Access: Depending on model year and bodywork, access the rear fog lamp either through the trunk by removing the luggage trim or by removing the inner wheel arch/bumper fasteners to reach the lamp housing.
4. Remove Old Unit: Unplug the electrical connector, remove retaining screws or clips, and extract the lamp assembly. Inspect connectors and wiring for corrosion or damage.
5. Fit New Unit: Insert the replacement lamp, secure with the original screws/clips, reconnect the electrical plug and ensure sealing gaskets are seated to prevent moisture ingress.
6. Test: Reconnect the battery and verify lamp operation. Check alignment and that the lamp housing is firmly mounted with no gaps.
7. Final Steps: Replace any damaged fasteners or seals to maintain long-term watertightness.

Why This Part Commonly Fails

• Impact Damage: Rear collisions or parking impacts often crack the lens or break mounting tabs.
• Moisture Ingress: Worn seals or damaged lens joints allow water to enter, causing corrosion of contacts or electrical failures.
• Connector Corrosion: Salt and road debris can corrode connectors, interrupting the circuit even if the lamp itself is intact.
• Bulb Failure: In variants with replaceable bulbs, filament burnout or poor bulb contact can cause loss of function.
• Mounting Wear: Plastic clips and tabs can become brittle with age and break during minor impacts or removal.

Part Numbers For Search And Ordering: 9653548780, 6350AA, 6350HS. Order this used left rear fog light to restore rear visibility and ensure safe driving in adverse weather conditions.