Description
Alternator MITSUBISHI CL12 for Citroën and Peugeot vehicles. Charging current [A]: 120
Product Overview
Robust Mitsubishi CL12 120A alternator designed for a range of Citroën and Peugeot models. This high-output alternator restores reliable charging performance for vehicles with increasing electrical loads — from lighting and infotainment to engine management systems. Ideal for professional workshops and experienced DIY mechanics, the unit is commonly referenced by its product codes, making it easy to locate by part number when ordering or replacing.
Technical Information
- Manufacturer: Mitsubishi
- Model: CL12
- Product Codes: 9649846880, A003TG1891
- Additional Numbers: 5705CF, 5705EF
- Output: 120 A
- Voltage: 12 V
Compatibility
Fits multiple Stellantis models, commonly used on:
- Citroën C4
- Citroën C5
- Peugeot 307
- Peugeot 407
Function And Typical Failure Modes
The alternator converts mechanical energy from the engine into electrical energy to charge the battery and supply onboard electrical systems while the engine runs. Common failure causes include:
- Worn Bearings — Leads to noise and eventual seizure.
- Diode Rectifier Failure — Causes poor charging and battery drain.
- Voltage Regulator Faults — Results in undercharging or overcharging.
- Brush And Slip Ring Wear — Gradual loss of contact reduces output.
- Contamination Or Oil Ingress — Accelerates wear and electrical faults.
- Belt Slip Or Incorrect Tension — Causes overheating and reduced output.
Installation Recommendations
Follow safe, standard procedures during replacement. Key steps and tips:
- Always Disconnect The Battery Before Starting Work To Prevent Short Circuits.
- Remove Or Loosen The Drive Belt To Free The Alternator Pulley.
- Disconnect Electrical Connectors And Remove Mounting Bolts; Note Bolt Locations For Correct Reinstallation.
- Compare Product Codes And Physical Connections To Ensure Correct Fitment.
- Inspect The Drive Belt, Tensioner, Battery Condition, And Ground Connections When Replacing The Alternator.
- After Installation, Verify Charging Voltage At Idle And Under Load; Typical System Voltage Should Be Around 13.8–14.8 V With Engine Running.
- Use Proper Tools And Observe Manufacturer Safety Guidelines. If Unsure, Have The Installation Performed By A Qualified Technician.
Why This Part Is Often Searched By Code
Many buyers look up alternators by OEM numbers rather than vehicle model. Searching by codes such as 9649846880 or A003TG1891 speeds up identification and helps ensure the correct replacement part is ordered.
Practical Advice For Mechanics And DIYers
- Measure Charging Output Before Replacing The Alternator To Confirm The Fault.
- Replace Worn Belts And Check Tensioner Bearings At The Same Time To Extend Service Life.
- Keep Electrical Connections Clean And Secure To Avoid Intermittent Charging Issues.
Notes
Product codes and compatibility listings are provided to aid identification. Verify physical fit and connector type before installation to ensure proper compatibility with the vehicle.
