Alternator Citroën Peugeot CL15 9665617780 is a quality original part for PSA cars, ideal for professional auto mechanics and home repairers who are looking for a reliable spare part with a long service life. Thanks to its high output of 150 A, it reliably powers all the car’s electrical appliances and ensures trouble-free battery charging even with higher loads (air conditioning, heating, audio system, etc.).

This is a VALEO CL15 alternator with a built-in regulator and an idler pulley, which helps reduce vibrations and shocks in engine accessories and thereby increases comfort and the life of the relevant parts. It is especially suitable for selected Citroën and Peugeot models, where it replaces several original and catalog numbers.

Technical information:
Manufacturer: VALEO
Type: CL15
Rated current: 150 A
Pulley version: with free-running pulley
System voltage: 12 V
Purpose: Citroën / Peugeot passenger cars

Car models (approximate):
Citroën C2
Citroën C3
Citroën C4
Citroën C4 Picasso
Citroën C5 (including C5 X7)
Peugeot 206
Peugeot 307
Peugeot 407

Product codes:
PSA: 9665617780, 9646321780
Valeo: 0124525035

Other numbers (replacement / compatible numbers):
5702E3
5705AS
5705EY
5705 NH
1638095180

Installation recommendations:
– Before dismantling the old alternator, always disconnect the battery (negative pole) and secure the vehicle against spontaneous movement.
– Check the condition of the drive belt and tensioners; when replacing the alternator, it is recommended to check and possibly replace the belt if it is worn, cracked or pulled.
– During assembly, ensure that all electrical connections are clean and tight, especially the main power cable and grounding, to avoid transient resistances and overheating.
– Observe the prescribed screw tightening torques according to the service documentation of the specific car model to avoid damaging the threads or the alternator bearing.
– After mounting and connecting the battery, check the charging voltage with the engine running; a properly functioning alternator should maintain a voltage of approximately 13.8-14.5V depending on load and temperature.
– After the first few kilometers, check for belt squeaks, excessive vibrations or unusual noises from the alternator area.

The Bosch CL15 150A alternator is a high-output replacement unit designed for vehicles in the PSA family. This is a used part supplied with a guarantee of functionality, making it a cost-effective option for professional mechanics and experienced DIY enthusiasts looking to restore charging system performance. Many customers search by OE numbers such as 0124525035 or 9646321880, which are listed below for easy identification.

Features & Benefits

Built by Bosch to deliver reliable charging at up to 150A, the CL15 alternator is suitable for vehicles with higher electrical demands. Restoring correct charging voltage reduces battery discharge, improves lighting and electronics operation, and prevents repeated battery replacements. The unit is a direct-fit replacement when matched by correct OEM numbers.

Fitment & Compatibility

This alternator is intended for use on various Citroën and Peugeot (PSA) models that accept the listed OEM part numbers. Always confirm compatibility by comparing the OE/product codes on your vehicle or by providing your VIN to verify correct fitment. Common reference numbers include 0124525035, 9646321880, 5702E3, 5705AS, and 5705EY.

Installation Notes

Recommended general replacement steps (for qualified personnel): disconnect the negative battery terminal; release belt tension and remove the drive belt; disconnect electrical connectors and unplug the alternator; remove mounting bolts and extract the alternator; install the replacement unit, secure mounting bolts to manufacturer torque specifications, reconnect wiring, refit the drive belt and set proper tension, reconnect the battery and verify charging voltage (typically around 13.8–14.6V at idle). Refer to the vehicle workshop manual for exact procedures and torque values.

Common Failure Modes & Service Life

Alternators commonly fail due to worn brushes, faulty diodes or voltage regulators, bearing wear, contamination, or overheating caused by poor ventilation or incorrect belt tension. Typical service life varies with use and conditions, often occurring in the range of 80,000–150,000 km, but this can be shorter in vehicles with heavy electrical loads or intermittent charging issues. Symptoms of a failing alternator include dimming lights, battery warning lamp illumination, slow cranking, or repeated battery drain.

Technical Information

• Manufacturer: Bosch
• Model: CL15 150A
• Product Codes: 0124525035, 9646321880
• Additional Numbers: 5702E3, 5705AS, 5705EY
• Condition: Used, sold with a guarantee of functionality

If you are unsure about fitment, provide the vehicle VIN or compare the OEM numbers on your original alternator. Professional installation is recommended for safety and to ensure correct charging system operation.