Description
Left rear lamp light for CITROËN C4 3-door Coupé. Without bulb sockets, with bulbs.
Premium-quality Left Rear Tail Light designed for Citroën C4 Coupé (3-door). This direct-replacement lamp carries the original part references often used by professionals: 9646801777 and 6350T6. Built to match the factory geometry and mounting points, it restores correct illumination, signaling and aesthetics at the rear of the vehicle. Ideal for mechanics and DIY enthusiasts who search by product code or OEM number.
Key Features
– Direct fit for Citroën C4 Coupé (3-door).
– OEM Reference Numbers: 9646801777 / 6350T6.
– Durable housing and lens designed to resist everyday road conditions.
– Restores Brake, Tail And Indicator Functions With Correct Optics.
Technical Information
- Manufacturer: Stellantis (Citroën)
- Model: Citroën C4 I (3-Door Coupé)
- Product Codes: 9646801777
- Additional Numbers: 6350T6
Contents And Compatibility Notes
The listing references the above OEM numbers which are commonly used when searching replacement lamps. According to the provided listing details, the lamp may be supplied without bulb sockets; check the product specification for included components before installation. This unit is intended to replace the left (driver-side) rear lamp assembly on the 3-door Citroën C4 Coupé first-generation models that share these part numbers.
Function And Common Faults
The rear lamp assembly houses brake light, tail light and turn signal functions and ensures correct light dispersion and visibility. Failures are typically caused by:
- Impact Or Body Damage: Cracked Lens Or Broken Mounting Tabs After Collisions.
- Moisture Ingress: Water Or Condensation Leading To Corroded Contacts And Short Circuits.
- Electrical Problems: Corroded Connectors Or Damaged Wiring Causing Intermittent Operation.
- Bulb Failure: Conventional Bulbs Reach End Of Service Life More Often Than The Housing Itself.
- Thermal Stress And UV Degradation: Fading Or Fragility After Many Years In Service.
How To Replace
Replacement is straightforward for a qualified mechanic or experienced DIYer. Typical steps:
- Open The Tailgate/Boot And Remove Any Trim Panels Covering The Lamp Mounting Area.
- Unscrew The Retaining Nuts Or Bolts That Secure The Lamp Assembly To The Body.
- Carefully Unplug The Electrical Connector(s). If The Connector Is Stiff, Use A Small Flat Tool To Release The Clip—Avoid Pulling On Wires.
- Remove The Old Assembly, Inspect The Mounting Gasket And Body Aperture For Rust Or Damage.
- Fit The New Lamp Into Position, Connect The Electrical Plug And Secure With Fixings. Ensure The Gasket Seats Correctly To Prevent Water Ingress.
- Test All Functions (Brake, Tail, Indicator And Reverse If Applicable) Before Refitting Trim.
Installation Recommendations
- Wear Gloves And Eye Protection. If Replacing Bulbs, Avoid Touching Halogen Bulb Glass With Bare Hands—Skin Oils Shorten Bulb Life.
- Check And Replace Any Damaged Seals Or Mounting Clips To Ensure A Watertight Fit.
- Inspect Wiring And Connectors For Corrosion; Clean Contacts And Apply Dielectric Grease If Needed.
- After Installation, Verify Light Alignment And Operation On Both Static And Dynamic Tests.
Why Professionals Choose OEM-Fit Lamps
Using a lamp that matches the original part numbers ensures proper fitment, correct light output and preserves vehicle appearance. For repair shops, fast identification by OEM code (9646801777 / 6350T6) speeds up ordering and reduces vehicle downtime.
Warranty And Quality Notes
Check the seller’s listing for warranty terms and included components. When replacing a rear lamp after an accident, always inspect adjacent bodywork and harnesses for hidden damage that may affect long-term reliability.
