Valeo 439095 Alternator

Valeo 439095 Alternator for Mercedes-Benz

The Valeo 439095 alternator is a 12-volt, 90-amp OE-style charging component built for select Mercedes-Benz applications. It uses an internal fan, internal regulator, clockwise rotation, and a 6-groove serpentine pulley to match the original charging system layout.

As part of the Valeo OE alternator family, this unit reflects Valeo’s long history in electrical systems and original equipment supply. The aluminum housing supports efficient heat management, while the 100% new construction helps eliminate the risks associated with remanufactured units.

Key Features

• 12-volt alternator with 90-amp output
• Internal fan and internal voltage regulator
• Clockwise rotation with 6-groove serpentine pulley
• Aluminum housing for OE-style fit and durability
• Valeo OE family construction for select Mercedes-Benz charging systems
• Technical number: A13VI220

Detailed Description

Valeo 439095 is an alternator replacement for Mercedes-Benz C230, C280, C36 AMG, C220, and E320 applications listed in the fitment data. It is built to match the electrical and mechanical requirements of the original charging system, including the 12V design, internal regulation, and serpentine belt drive. This makes it a direct-fit choice for drivers searching for a Mercedes-Benz C280 alternator, Mercedes-Benz E320 alternator, or Valeo 439095 replacement alternator.

This part cross-references Bosch 13396 and 13709 for the same application.

What It Helps Address

• Battery warning lights caused by charging system output loss
• Low-voltage conditions affecting lights, electronics, and accessories
• Charging instability from a worn or failing alternator
• Noise or belt-drive issues related to alternator wear
• Starting problems linked to insufficient alternator output

Installation Notes and Tips

Verify pulley groove count, rotation direction, amperage rating, and regulator style before installation. Confirm the vehicle uses the listed serpentine belt configuration and compare the technical number A13VI220 against the original unit when possible. For Mercedes-Benz C230, C280, C36 AMG, C220, and E320 fitments, match the OE-style electrical connector and mounting points before final assembly.

Quality Assurance

Valeo is a recognized original equipment supplier in automotive electrical systems, and this alternator is part of the Valeo OE line. The 100% new design is intended to reduce the risk of premature failure associated with reused internal components.