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Car alternators


Choose the right part from the start with Valeo Premium alternators.

The role of the alternator is to provide continual charge to the battery while the engine is running. This supply of power prevents the battery from discharge, and provides the requested power to the car’s electrical devices. The alternator is connected and powered by the crankshaft through a drive belt. When the engine is running, the drive belt rotates the alternator, which converts the kinetic energy into electrical current. The general principle is to transform the movement initiated by the flywheel into electricity. The reliability, the safety and the best quality of new products are driven by constant innovation and strong testing criteria. Thanks to Valeo's strong Original Equipment presence, Valeo is able to provide alternators for the latest car applications in a short time to market. The new units range consists of the finest possible products thanks to Valeo O.E. demanding testing standards.

Valeo Testing & Innovation

Valeo alternators undergo extreme condition testing (noise, vibration, corrosion and durability) to ensure reliability under the harshest conditions. 

Valeo is driving innovation with over one hundred years experience in rotating machines, from the 1912’s Dynastar to the 2013’s micro hybrid solution i-StARS.

Valeo answers all markets needs and technological evolution, demonstrating a strong historical leadership in original equipment products.  From the single phase alternator and water cool based technology to the latest generation of alternators requiring efficiency and comfort, like the EG alternator. 


When looking for quality, durability and uncompromised performance, choose the right part from the start. Choose Valeo premium alternators.

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