Description
Alternator Valeo FG15T168 Citroën Peugeot For 1.5 BlueHDi And 1.2 12V Engines
Product Overview
The Valeo FG15T168 alternator is a direct-fit replacement unit designed for selected Citroën and Peugeot petrol and diesel engines, including 1.5 BlueHDi and 1.2 12V applications. This alternator restores charging performance, stabilizes vehicle electrical supply and ensures reliable battery charging under varied load conditions. Commonly searched under codes FG15T168 and 9826573480, it is suitable for professional garages and DIY mechanics who expect straightforward installation and long service life.
Key Benefits
- Direct Fit For Select Citroën And Peugeot Models — Reduces installation time and need for modifications.
- Reliable Charging Performance — Designed to meet the electrical demands of modern vehicle accessories and control units.
- Common Replacement Part Numbers Included — Easy to find by referencing FG15T168 or 9826573480.
- Suitable For Professional And DIY Installation — Clear mechanical access on most listed models.
Function And Application
The alternator converts mechanical energy from the engine into electrical energy to charge the vehicle battery and supply power to electrical systems while the engine runs. A healthy alternator maintains correct battery voltage, supports start-stop systems where applicable, and prevents electrical faults that can affect engine management and comfort electronics.
How It Is Replaced
Replacement is typically carried out as follows (general procedure — follow the vehicle manufacturer instructions):
- Disconnect The Battery Negative Terminal Before Any Work.
- Release Drive Belt Tension And Remove The Serpentine Belt From The Alternator Pulley.
- Disconnect Electrical Connectors And Remove Battery/Charging Cables From The Alternator.
- Remove Mounting Bolts And Extract The Alternator From The Engine Bracket.
- Fit The New Alternator, Refit Bolts, Reconnect Electricals, Reinstall And Tension The Drive Belt.
- Reconnect The Battery And Verify Charging System Operation With A Multimeter Or Diagnostic Tool.
Typical Service Life And Failure Modes
Alternators commonly last many tens of thousands of miles but lifespan depends on driving profile, electrical load and operating conditions. Typical reasons for alternator failure include worn bearings, degraded brushes or slip rings, failed voltage regulator or diode pack faults. Overheating, contamination from oil/coolant leaks and prolonged high electrical loads (heavy accessory use, aftermarket audio amplifiers) accelerate wear.
Installation Recommendations
- Always Disconnect The Battery Before Starting Work To Avoid Short Circuits And Damage.
- Inspect The Drive Belt, Pulleys And Tensioner — Replace If Worn To Prevent Premature Alternator Wear.
- Check Charging Voltage After Installation Under Idle And Load Conditions To Confirm Correct Operation.
- Use Appropriate Tools For Belt Tensioning And Fastening; Avoid Over-Tightening Mounting Bolts.
- If Electrical Faults Persist After Replacement, Inspect Battery Condition And Vehicle Ground Connections.
Why This Part Fails Most Commonly
Failure Most Often Occurs Due To Mechanical Wear (Bearings), Electrical Component Degradation (Brushes, Regulator, Diodes) Or External Contamination. Heat And Poor Ventilation Shorten Component Life, While Faulty Belts Or Misalignment Can Cause Excessive Bearing Loads.
Technical Information
- Manufacturer: Valeo
- Model: FG15T168
- Product Codes: FG15T168
- Other Numbers: 9826573480
Compatible Models (Examples)
- Citroën Berlingo III
- Citroën C4 II
- Peugeot 308 (T9)
- Peugeot Rifter
Final Notes
When replacing the alternator on Citroën and Peugeot models it is important to follow manufacturer procedures for electrical safety and torque settings. After installation verify charging voltage and system behavior. Correct part selection by product code (FG15T168 / 9826573480) ensures fitment and simplifies servicing for both professional workshops and experienced DIY mechanics.
