Description
Alternator Mitsubishi CL18 180A for 2.0 and 2.2 HDi engines for Citroën and Peugeot vehicles.
High-output 180A Mitsubishi CL18 alternator designed for PSA Group 2.0 and 2.2 HDi diesel engines. This robust unit is a direct-fit replacement on many Citroën and Peugeot models and carries multiple OEM reference numbers commonly searched by professional mechanics and DIY enthusiasts. The alternator delivers stable charging current for vehicles with increased electrical demand (start-stop excluded) and is suitable for cars equipped with advanced infotainment, lighting and auxiliary systems.
Fitment And Typical Applications
Fits a range of Citroën and Peugeot models with 2.0 / 2.2 HDi engines. Typical applications include:
- Citroën C4
- Citroën C4 Picasso
- Citroën C5 (including C5 X7)
- Citroën C8
- Peugeot 3008 I
- Peugeot 307
- Peugeot 407
- Peugeot 5008 I
- Peugeot 807
Technical Information
- Manufacturer: Mitsubishi (Unit Used On Stellantis Citroën/Peugeot)
- Model: CL18 180A
- Product Codes: 9654752880, 5702K8, 5705AX, 5705EE, 5705JF, 5705E7, 5705NG, 5702F4, 5702G2
- Additional Numbers: 9646065180, 9661544880
How To Replace
General replacement overview for experienced mechanics and competent DIYers:
- Disconnect Battery: Always disconnect the negative terminal of the battery before any work on the charging system.
- Remove Drive Belt: Release tensioner and remove accessory drive belt or serpentine belt from alternator pulley.
- Disconnect Electrical Connectors: Unplug the main charging lead and regulator connector (ensure connectors are clean and undamaged).
- Remove Mounting Bolts: Support the alternator, remove the mounting bolts and lower the unit from its bracket.
- Install New Alternator: Position new alternator, tighten mounting bolts to manufacturer’s specification, reconnect electrical connectors and refit the drive belt with correct tension.
- Final Check: Reconnect battery, start engine and verify charging voltage (typically around 13.8–14.6 V with engine running). Check for unusual noises and secure mounting.
Installation Recommendations
- Use A Torque Wrench: Tighten mounting fasteners to the vehicle manufacturer’s torque specifications to avoid misalignment or damage.
- Inspect Related Components: Check belt condition and tensioner, battery state of charge and ground connections before installation.
- Protect Electrical Contacts: Ensure connectors and the main charging terminal are clean, tight and free of corrosion.
- Perform A Charging System Test: After installation use a multimeter or professional charging tester to confirm correct output and regulator function.
Why This Part Fails Most Often
- Bearing Wear: Bearings wear over time and produce noise or eventual seizure, often caused by high mileage or contamination.
- Regulator Or Brush Wear: Internal voltage regulator or carbon brushes can wear, causing undercharging or overcharging.
- Diode Pack Failure: Rectifier diodes can fail, leading to AC ripple, battery discharge or electrical interference.
- Contamination And Overheating: Oil or coolant leaks, or clogged cooling passages, reduce alternator cooling and shorten life.
- Belt Slippage: Worn or loose drive belts reduce output and increase heat and wear on the alternator pulley and bearings.
Expected Durability: Under normal conditions alternators often last well over 100,000 km, but lifespan depends on vehicle use, maintenance and exposure to contaminants. Symptoms of a failing alternator include warning lights on the dash, dimming lights, unusual noises from the front of the engine and battery discharge.
Post-Installation Checks
- Verify Charging Voltage: Engine idling should register stable charging voltage (approx. 13.8–14.6 V).
- Listen For Noises: Ensure no grinding or whining noises indicate bearing or alignment problems.
- Reinspect Connections: After a short test drive recheck electrical connections and belt tension.
Search Keywords: Alternator 180A CL18, Mitsubishi Alternator, Citroën Alternator 2.0 HDi, Peugeot Alternator 2.2 HDi, OEM 9654752880, 5702K8.
