Valeo 439756 Alternator

Valeo 439756 Alternator for Audi Charging Systems

The Valeo 439756 alternator is a 12-volt, 230-amp charging unit built for select Audi applications that require OE-level electrical output. It features an internal fan, clockwise rotation, a 6-groove pulley, and an aluminum housing for a direct-fit replacement focused on stable charging performance.

As part of the Valeo OE alternator family, this unit reflects Valeo’s long history as an original equipment supplier in electrical systems. The 439756 is a 100% new alternator, which helps reduce the risk associated with remanufactured units and supports consistent charging output in demanding vehicle electrical systems.

Key Features

• 12-volt alternator with 230-amp output
• Internal fan design for integrated cooling
• Clockwise rotation
• 6-groove pulley configuration
• Aluminum housing construction
• Valeo OE family replacement
• Technical number: FGN23S061

Fitment Details

• Fits 2014-2016 Audi A8 Quattro, N/A. OE supplier is Valeo; 230 amp alternator for this vehicle.
• Fits 2012 Audi Q7, N/A. OE supplier is Valeo; 230 amp alternator for this vehicle.
• Fits 2011 Audi Q7, N/A. Valeo is the OE supplier for this vehicle; from 04/18/11; 230 amp.

What This Alternator Helps Address

• Low charging output under electrical load
• Battery warning lights related to alternator performance
• Voltage drop during accessory operation
• Charging system instability in Audi A8 Quattro and Audi Q7 applications
• Wear-related failure from an aging alternator

Installation Notes

Verify pulley groove count, rotation direction, amperage rating, and OE reference before installation. Confirm vehicle build date for the 2011 Audi Q7 application, since the fitment note specifies production from 04/18/11. Match the alternator to the vehicle’s charging system requirements and inspect related electrical connections during replacement.

Quality Assurance

Valeo is a recognized OE supplier in electrical systems, and this premium alternator is supplied as a new unit rather than a remanufactured part. This part cross-references Quality-Built 11615 for the same application.