Description
CD Car Radio For Citroën Vehicles CITROEN C4 B7. Tested – Functional.
Original factory CD head unit designed for Citroën C4 II (C4 B7) that preserves the vehicle’s original appearance and controls. This unit is a direct-fit replacement for workshops and DIY mechanics who need a reliable OE-style radio with CD playback and standard radio functions. The part is commonly searched by product numbers, so check the listed codes to confirm physical match and connector layout. The radio is ideal for restoring audio functionality after a failure or when replacing a damaged dashboard unit.
Technical Information
- Manufacturer: Stellantis (Citroën/Peugeot)
- Model: Citroën C4 II (C4 B7)
- Product Codes: 9666994580, 6574SN
- Other Numbers: 1611729080, 1613842980
Compatibility And Fitment
Designed primarily for Citroën C4 II (C4 B7) dashboards with matching connector layout and antenna plug. Compatibility depends on the vehicle’s original radio cavity and wiring harness. These units are typically direct replacements for vehicles originally equipped with the same factory stereo part numbers.
Installation Recommendations
- Always disconnect the battery before beginning any work on the vehicle’s electrical system to avoid short circuits and protect sensitive electronics.
- Remove surrounding trim panels carefully with appropriate plastic trim tools to avoid damaging clips and finish.
- Unscrew the radio cage or release the mounting clips, slide the unit out, and disconnect harness plugs and the antenna lead.
- Compare connector pinouts and antenna plug before connecting the replacement unit. Secure the unit in the original cage and reassemble trim in reverse order.
- After installation, check radio reception, CD operation, and all front-panel controls for correct function.
How The Unit Is Replaced
Typical replacement procedure: remove trim, undo mounting screws/clips, extract old unit, unplug wiring harnesses and antenna, fit the new unit by plugging-in harnesses, test the functions (power, radio, CD), then secure the unit and refit trim.
Most Common Failure Reasons
Failures usually result from mechanical wear of the CD mechanism or laser assembly, accumulated dust and debris, worn front-panel switches, poor grounding or corroded connectors, and water ingress from climate exposure. Electrical surges or a blown fuse in the vehicle’s power supply can also cause the unit to stop powering up. Regular use over many years increases the risk of mechanical faults in the CD transport and optical pickup.
Practical Tips And Maintenance
- Keep vents and interior clean to reduce dust entry into the radio. Avoid inserting damaged or cracked discs.
- Inspect connector pins and antenna plug for corrosion when replacing the unit; clean contacts with suitable electrical contact cleaner if needed.
- If the CD mechanism is intermittent, a professional cleaning of the laser lens may restore operation temporarily, but mechanical wear often requires replacement.
Why Choose This Unit
As an original-fit radio for Citroën C4 II, this unit maintains factory ergonomics and dashboard aesthetics. For mechanics and experienced DIYers it offers a straightforward swap using existing vehicle harnesses and keeps the vehicle’s original control layout intact.
