This VALEO CL8+ alternator is a direct-fit replacement designed for selected Citroën and Peugeot models. Built to meet the electrical demands of modern engines and onboard electronics, it restores reliable charging performance and helps maintain battery health. Popular with professional mechanics and DIY enthusiasts alike, this unit is commonly sought by original part numbers listed below — search by code to find the correct fit quickly.

Technical Information

• Manufacturer: Valeo
• Model: CL8+
• Product Codes: 9656956280
• Additional Numbers: 5705AW, 5705FA, 5702A3, 5702C9, 5702F0, 5705AQ, 5705EN
• Compatible Models (examples): Citroën C4, Peugeot 307

Function And Benefits

The alternator converts mechanical energy from the engine into electrical energy to charge the battery and supply the vehicle’s electrical systems while the engine is running. A properly functioning alternator ensures stable voltage for ignition, lighting, infotainment, and engine management. Replacing a failing alternator avoids battery drainage, starting problems, and unpredictable electrical faults.

How To Replace

Replacement is straightforward for a trained mechanic or an experienced DIYer with basic tools. Typical steps:

• Disconnect the negative battery terminal before starting work.
• Relieve tension on the accessory (serpentine) belt and remove it from the alternator pulley.
• Disconnect electrical connectors and the main charging cable from the alternator.
• Remove mounting bolts and extract the alternator from its bracket.
• Install the new alternator in reverse order, ensuring correct alignment of the belt and connectors.
• Reconnect the battery and start the engine to verify charging. Typical charging voltage with the engine running should be approximately 13.5–14.8 V.

Installation Recommendations

• Always disconnect the battery before removal to prevent short circuits and damage to electronics.
• Inspect the accessory belt, tensioner, and pulley for wear; replace if necessary to prevent premature alternator failure.
• Use correct mounting hardware and tighten bolts to the manufacturer’s torque specifications (refer to the vehicle service manual).
• After installation, measure the charging voltage and check for unusual noises or vibrations.
• When replacing the alternator, clean connector contacts and ensure secure, corrosion-free connections.

Most Common Causes Of Failure

• Worn Brushes And Slip Rings — Gradual loss of contact reduces charging output.
• Voltage Regulator Fault — Unstable or excessive voltage can damage batteries and electronics.
• Diode Rectifier Failure — Causes AC ripple and charging anomalies.
• Bearing Wear — Leads to noise and eventual seizure of the alternator.
• Overheating And Contamination — Oil leaks, coolant, or dirt shorten component life.
• Electrical Overload Or Short Circuits — Excessive draw from accessories can overload the alternator.

Typical Lifetime And Symptoms

Alternator lifespan varies with driving conditions and maintenance; many units last 100,000–200,000 km or several years. Early warning signs of failure include dimming headlights, battery warning lamp on the dash, slow cranking, unusual noises from the engine bay, flickering electronics, or a discharged battery despite regular use.

Why Choose This Part

Choosing a VALEO CL8+ alternator with the correct reference number ensures compatibility with the vehicle’s mounting and electrical connectors. Because mechanics and DIYers frequently search by part number, the codes listed above make it easy to confirm fitment. The unit restores reliable charging performance and reduces the risk of electrical faults related to a weak or failing alternator.

Note

Search using the product codes provided to match your vehicle. Do not proceed with removal or installation without following safety practices and the vehicle manufacturer’s service instructions.

High-quality Valeo CL8 alternator designed for PSA Citroën and Peugeot vehicles. Producing 14 V and 80 A charging current with an integrated voltage regulator, this unit is a direct replacement for OE numbers 9642879680, 9638543680 and compatible references listed below. Ideal for professional mechanics and experienced DIYers.

Features

• Voltage: 14 V
• Charging Current: 80 A
• Number Of Ribs: 6
• Mounting: 4-point
• Pulley Diameter: 49 mm
• Integrated Voltage Regulator

Fitment & Compatibility

Compatible with Citroën and Peugeot small to compact vehicles equipped with 1.0, 1.1, 1.4, 1.4 16V, 1.6 and 1.6 16V engines. Verify the OE part number on your vehicle to confirm exact fitment before purchase.

Installation Notes

Disconnect the battery negative terminal before starting. Remove or relieve the drive belt tensioner, disconnect electrical connectors and unbolt the four mounting points to remove the old alternator. Fit the replacement unit, secure mounting bolts and restore belt tension. Reconnect the battery and start the engine; verify charging voltage is approximately 14 V at idle. Always consult the vehicle service manual for correct torque figures and safety procedures.

Common Faults & Lifespan

Typical causes of alternator failure include worn brushes, failed voltage regulator or diodes, bearing wear and overheating. Service life varies with use and environment but commonly falls in the range of 100,000–150,000 km. Regular belt checks and keeping electrical connections clean helps extend service life.

Technical Information

• Manufacturer: Valeo
• Model: CL8
• Product Codes: 9642879680, 9638543680, 9649611780, 9656956280
• Additional Numbers: 5705AW, 5705FA, 5702A3, 5702C9, 5702F0, 5705AQ, 5705EN, 5702E6, 57056D, 57058C
• Voltage: 14 V
• Charging Current: 80 A
• Number Of Ribs: 6
• Mounting Points: 4
• Pulley Diameter: 49 mm
• Integrated Regulator: Yes

Valeo CL8+ alternator designed for PSA Citroën and Peugeot vehicles. Delivers 14V and up to 80A charging current with an integrated voltage regulator. Compact 4-bolt design with a 6-rib pulley (49 mm), engineered for small petrol engines in the 1.0–1.6 litre range.

Features & Benefits

• OE-quality Valeo replacement for dependable battery charging and stable electrical system performance.
• Integrated voltage regulator reduces installation complexity and electronics interfacing.
• Compact 4-point mounting ensures direct fit on compatible PSA engine brackets.
• 80A output supports modern electrical loads without overstraining the alternator.

Application Examples

Typical fitment includes a range of PSA models with 1.0–1.6L petrol engines such as Citroën C1, C2, C3, Saxo, Berlingo and Peugeot 107, 206, 207, 306, 307, Partner. Always confirm compatibility by cross-referencing OE numbers before purchase.

Replacement & Maintenance

Replacement steps (typical): disconnect the negative battery terminal, remove the drive belt, disconnect electrical connectors, unbolt the alternator (4 bolts), install the new unit and reconnect in reverse order. Inspect the drive belt and tensioner for wear and replace if necessary. Follow vehicle manufacturer torque specifications and safety precautions when installing.

Common Failure Modes

Alternators usually fail due to worn bearings, brush wear, diode or regulator faults, overheating, or belt slippage. Symptoms include battery warning lamp, dimming headlights, slow engine start or unusual noises. Address symptoms promptly to avoid battery discharge and electrical system issues.

Technical Information

• Manufacturer: Valeo
• Model: Citroën, Peugeot (PSA) — 1.0 / 1.1 / 1.4 / 1.4 16V / 1.6 / 1.6 16V
• Product Codes: 9665577680, 9656956280
• Additional Numbers: 5705AW, 5705FA, 5702A3, 5702C9, 5702F0, 5705AQ, 5705EN
• Voltage (V): 14
• Output Current (A): 80
• Number Of Ribs: 6
• Mounting: 4-bolt
• Pulley Diameter (mm): 49
• Regulator: Integrated

Confirm fitment by matching OE/product codes listed above with your vehicle part number. If in doubt, consult a professional mechanic or supply your VIN/OE number to ensure correct compatibility.

Features

• Voltage: 14V
• Charging Current: 80A
• Pulley Ribs: 6
• Mounting: 4-point / 4-bolt
• Pulley Diameter: 49 mm
• Integrated Voltage Regulator

Fitment & Applications

Compatible with PSA Citroën & Peugeot petrol engines: 1.0, 1.1, 1.4, 1.4 16V, 1.6 and 1.6 16V. Always verify vehicle fitment by OEM reference numbers before purchase to ensure correct application.

Technical Information

• Manufacturer: Valeo / PSA
• Model: Valeo CL8+ alternator, used on Citroën & Peugeot small petrol engines
• Product Codes: 5705AW, 5705FA, 5702A3, 5702C9, 5702F0, 5705AQ, 5705EN, 5702E6
• Other Numbers: 9642879680, 9638543680, 9649611780, 9656956280, 57056D, 57058C

Installation & Maintenance

Always disconnect the negative battery terminal before starting. Remove the accessory drive belt, disconnect the electrical connector and the main output cable, then unbolt the alternator mounting. Install the replacement unit, reconnect wiring, refit the belt and set correct tension. Start the engine and confirm charging system output (around 14V). Follow vehicle manufacturer’s torque specifications for mounting bolts.

Common Failure Modes

Alternator faults usually result from worn brushes or slip rings, bearing failure, a faulty voltage regulator, overheating or contamination, and accessory belt problems. Service life depends on driving conditions and usage but alternators on these small petrol units commonly require replacement after approximately 100,000–150,000 km under normal conditions.