Valeo 439498 Alternator

Valeo 439498 Alternator Overview

The Valeo 439498 is a 12-volt alternator built for charging-system replacement on select Audi A4, Audi A4 Quattro, and Volkswagen Passat applications. It features a 150-amp output, internal fan, internal regulator, clockwise rotation, and a 6-groove pulley for OE-style fitment and electrical performance.

As part of the Valeo OE alternator family, this unit is a 100% new replacement designed to restore charging output without reusing worn internal components. Valeo’s long history in electrical systems and OE supply is reflected in the TG15C065 design used for these applications.

Key Features

• 12-volt alternator with 150-amp amperage rating
• Internal fan and internal voltage regulator
• Clockwise rotation
• 6-groove pulley configuration
• Aluminium housing for OE-style construction
• Valeo OE family design, technical number TG15C065

Detailed Product Description

The Valeo 439498 alternator is engineered for vehicles that require a 150-amp charging unit with OE-style electrical and mounting characteristics. It is listed for 1999-2009 Audi A4, 1999-2009 Audi A4 Quattro, and 2000-2002 Volkswagen Passat applications. This part number 439498 is also identified by technical number TG15C065 and is built as a new replacement alternator rather than a remanufactured unit.

This alternator cross-references Bosch AL0825N and AL0825X for the same application. It is a direct-fit charging component for drivers searching for a Valeo alternator for Audi A4 1999-2009 or a Volkswagen Passat alternator 2000-2002 with 150 amp output.

What It Helps Address

• Low battery charging caused by a weak alternator
• Battery warning light concerns related to charging output
• Voltage instability from a failing generator assembly
• Reduced electrical performance from worn internal alternator components
• Charging-system replacement needs on Audi A4, Audi A4 Quattro, and Volkswagen Passat models

Installation Notes and Tips

Verify pulley groove count, rotation direction, voltage, and amperage rating before installation. Confirm the vehicle’s original alternator matches the 6-groove, clockwise, internal-regulator configuration. For best results, inspect the battery, belt condition, and charging connections during replacement to help ensure proper system operation.

Quality Assurance

Valeo has supplied original equipment electrical components since 1923, and this alternator is part of the Valeo OE line. The 100% new construction helps avoid issues associated with reused internal parts and supports consistent charging-system replacement on the listed Audi and Volkswagen applications.