High-Quality Valeo CL18 Start-Stop Alternator Designed For Mechanics And DIY Enthusiasts. This unit Is A Direct Fit For Many 1.6 e-HDI Applications And Is Frequently Searched By Part Numbers 9675753680, 9675753680-02, 1625944380 And 5705PA. The Start-Stop Design Ensures Reliable Charge Management In Micro-Hybrid Systems, Making It Suitable For Cars Equipped With Stop/Start Functionality. Ideal As A Replacement Alternator During Charging Fault Diagnostics Or When The Original Unit Shows Signs Of Wear.

Technical Information

• Manufacturer: Valeo
• Model(s): Citroën C4; Citroën C4 Picasso; Peugeot 3008 I; Peugeot 308; Peugeot 5008 I (1.6 e-HDI Engines)
• Product Codes: 9675753680, 9675753680-02, 1625944380, 5705PA
• Additional Numbers: Stellantis References Associated With Above Codes

Compatibility

Fits Vehicles With The 1.6 e-HDI Diesel Engine That Use Valeo CL18 Start-Stop Alternator Variants. Confirm Fitment By Matching The Physical Appearance And Part Numbers Listed Above. This Alternator Is Commonly Found On Early Models Of Citroën C4, C4 Picasso And First-Generation Peugeot 3008, 308 And 5008 With Micro-Hybrid Charging Systems.

Function And Design Notes

The Valeo CL18 Is A Start-Stop Compatible Alternator Optimized For Vehicles With Frequent Engine Stop/Start Cycles. Compared To Standard Alternators, Units For Start-Stop Systems Include Features To Better Manage Rapid Charge/Discharge Events And Ensure Stable Voltage For Vehicle Electronics During Engine Restart Sequences.

Installation Recommendations

1. Always Disconnect The Battery Before Starting Work To Avoid Short Circuits And Protect Vehicle Electronics.
2. Release Serpentine Belt Tensioner And Remove Drive Belt From Alternator Pulley.
3. Disconnect Electrical Connectors And Main Output Terminal (Observe Protective Covers And Insulators).
4. Remove Mounting Bolts And Extract Alternator. Compare Mounting Points And Connector Types With Replacement Unit.
5. Install New Unit In Reverse Order. Ensure Correct Belt Tension And That All Electrical Connections Are Clean And Secure.
6. After Installation, Reconnect Battery And Verify Charging System Operation With Vehicle Running; Check For Correct Voltage And Absence Of Noises.

For Best Results Use Proper Tools And Torque Settings Recommended By The Vehicle Manufacturer. If In Doubt, Have The Final Checks Performed With A Professional Diagnostic Tool That Monitors Charging Performance.

Most Common Reasons For Failure

• Worn Bearings Causing Noise And Increased Friction, Leading To Premature Failure.
• Voltage Regulator Or Diode Rectifier Failure Resulting In Undercharging, Overcharging Or Electrical Faults.
• Brush Wear And Poor Electrical Contact In Older Units.
• Contamination From Oil, Coolant Or Road Debris Affecting Electrical Components.
• Drive Belt Or Pulley Issues Causing Slippage And Insufficient Charging.
• Start-Stop Duty Cycle Stress: Vehicles With Frequent Stop/Start Operation Place Higher Loads On Charging Components, Potentially Reducing Lifespan.

Typical Service Life

Service Life Depends On Driving Conditions, Maintenance And Operating Environment. Alternators On Modern Vehicles Commonly Last Well Over 100,000 Km Under Normal Conditions, But Start-Stop Applications And Harsh Operating Environments Can Lead To Earlier Replacement.

Why Choose This Unit

This Valeo CL18 Alternator Is A Practical Choice For Professionals And Enthusiasts Seeking A Direct-Fit Start-Stop Replacement For 1.6 e-HDI Citroën And Peugeot Models. Clear Part Number Identification Makes It Easy To Locate The Correct Unit During Repairs Or Fleet Maintenance.