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.

This VALEO CL15 150A alternator is a direct-fit replacement for many Citroën and Peugeot petrol and diesel engines. Designed with an overrunning (freewheel) pulley to reduce vibration and improve belt life, it delivers stable charging performance for vehicles with medium electrical loads. Ideal for professional workshops and experienced DIY mechanics seeking reliable OE-style charging system performance. Common search terms include VALEO CL15, 150A alternator, and the OE codes listed below.

Technical Information

• Manufacturer: Valeo
• Model: CL15
• Product Codes: 9646321780, 5705AS, 5702E3, 5705EY, 5705NH
• Additional Numbers: 1638095180

Application

Suitable for many Citroën and Peugeot models including Citroën C2, Citroën C3, Citroën C3 Picasso, Citroën C3 Pluriel, Citroën C4, Citroën C4 II, Citroën C4 Picasso, Citroën C5, Citroën C5 X7, Citroën C8 and Peugeot 307, Peugeot 407, Peugeot 807. Verify fitment against the part numbers listed above when replacing.

How To Replace

Always follow safe workshop procedures. Basic replacement steps:

• Disconnect the negative battery terminal to prevent short circuits.
• Remove engine covers or intake components as required for access.
• Loosen and remove the drive belt by releasing the belt tensioner.
• Disconnect electrical connectors and the main charging cable from the alternator.
• Remove mounting bolts and extract the alternator. Note pulley orientation and wiring routes.
• Fit the replacement alternator, secure mounting bolts and reconnect wiring. Replace the drive belt and set correct tension.
• Reconnect the battery and verify charging system operation with a multimeter or charging system tester.

Recommended Installation

Installation by a qualified mechanic is recommended for vehicles with complex electrical systems. For competent DIYers: wear protective gloves and eye protection, ensure battery is disconnected, inspect the drive belt, belt tensioner and battery condition while replacing the alternator. After installation, check charging voltage at idle and under load (typically around 13.8–14.6 V) and listen for abnormal noises from the overrunning pulley.

Why It Fails Most Often

Alternators typically fail due to mechanical wear or electrical component degradation. Common causes include worn bearings, failure of the diode rectifier or voltage regulator, brush wear, contamination from oil or coolant leaks, and pulley or belt-related issues. Symptoms include battery warning light on the dash, dimming lights, slow engine cranking, unusual whining or grinding noises from the alternator area, or intermittent charging.

Notes For Mechanics And DIYers

When replacing an alternator on Citroën and Peugeot applications, always compare OE part numbers to ensure correct fitment and pulley type. Check the condition of the serpentine belt and tensioner, and verify electrical connections are clean and secure. After fitting, perform a charging system test under load to confirm correct operation.

Designed to replace original equipment, the installation of the Valeo CL15 is straightforward, suitable for both professional mechanics and DIY enthusiasts. Common causes of alternator failure include wear of the internal components over time, but this carefully sourced unit ensures your vehicle maintains optimal charging performance.

Technical Information

• Manufacturer: Valeo
• Model: CL15 150A
• Product Codes: 9646321780, 0124525035, 5702E3, 5705AS, 5705EY, 5705NH, 1638095180
• Additional Codes: 5705AS, 5705EY, 5705NH, 1638095180

This part is compatible with a wide range of Citroën and Peugeot vehicles, including Citroën C4, C4 Picasso, C5, C8, and Peugeot 307, 407, and 807 series. Its broad compatibility makes it a popular and versatile choice within alternator replacements.

For best results, make sure this alternator matches your vehicle’s specifications. Our customer support is available to help with any questions to ensure you select the correct part.

Opt for this Valeo CL15 alternator to restore your vehicle’s electrical system reliability and enjoy long-term performance. Our team is dedicated to helping you find the perfect components for your automotive needs.