Description
Alternator Valeo FG15T168 Citroën Peugeot for 1.5 BlueHDi and 1.2 12V engines.
High-quality Valeo alternator FG15T168 designed for Citroën and Peugeot applications. This direct-fit replacement unit supports the 12V charging system on 1.5 BlueHDi and 1.2 12V engines and is commonly used on a range of Stellantis passenger vehicles. Built with professional installers and DIY mechanics in mind, the alternator delivers reliable charging performance to keep the battery healthy and electrical systems operating under load. Keywords: Alternator, Valeo FG15T168, Citroën, Peugeot, 1.5 BlueHDi, 1.2 12V, OE 9826573480.
Technical Information
- Manufacturer: Valeo
- Model: FG15T168
- Product Codes: 9826573480
- Other Numbers: FG15T168 (Valeo Reference) / Stellantis Application References
Typical Applications
Typical vehicle applications include Citroën Berlingo III, Citroen C4 II, Peugeot 308 (T9) and Peugeot Rifter. The alternator is intended for 1.5 BlueHDi diesel and 1.2 12V petrol engine variants where this Valeo unit is specified.
Function And Benefits
The alternator converts mechanical energy from the engine into electrical energy to charge the 12V battery and supply power to the vehicle’s electrical systems (lighting, ECU, infotainment, auxiliaries). A correctly functioning alternator ensures stable voltage regulation, reduces battery discharge, and prevents electrical anomalies during idling and while driving.
Symptoms Of A Failing Alternator
- Battery warning light illuminated on the dashboard.
- Dim or flickering headlights and dashboard lights.
- Difficulty starting the engine or repeated jump starts required.
- Unusual grinding or whining noises from the front of the engine (bearing wear).
- Intermittent electrical faults, stalls, or loss of charging under load.
Most Common Reasons For Failure
Alternators commonly fail due to bearing wear, worn brushes, regulator or diode rectifier failure, contamination from oil or coolant leaks, or excessive heat. Belt tension or pulley issues and prolonged electrical overload (loose connections, high-draw accessories) also shorten alternator life.
Replacement And Installation
Replacement of the alternator is a straightforward task for a trained mechanic or experienced DIYer with basic tools. Typical steps:
- Disconnect the negative battery terminal before starting to avoid short circuits.
- Loosen and remove the drive belt from the alternator pulley (note belt routing or take a photo).
- Disconnect the electrical connectors and main charging cable from the alternator.
- Remove mounting bolts and extract the alternator from its bracket.
- Fit the new alternator, secure mounting bolts and tighten to the manufacturer’s torque specifications.
- Reconnect electrical connections and refit the drive belt with correct tension.
- Reconnect the battery and verify charging voltage at idle and under load (approx. 13.5–14.8 V typical for healthy systems).
Installation Recommendations
Always follow the vehicle manufacturer’s service procedure. Use correct belt tension and ensure all electrical connections are clean and secure. Check for oil or coolant leaks that may have damaged the previous alternator and address the root cause before fitting the replacement. After installation, verify charging performance with a multimeter or diagnostic tool and clear any related fault codes.
Why Choose This Unit
Valeo is a leading OE supplier and this FG15T168 unit provides a cost-effective, direct-fit solution for common Citroën and Peugeot applications. It helps restore reliable charging performance and reduces the risk of unexpected battery discharge or electrical faults, making it suitable for both professional workshops and competent DIY repairs.








