Valeo 439798 Alternator

Reliable Valeo Alternator for Audi and Porsche Vehicles

The Valeo Alternator 439798 is engineered to provide consistent 12-volt electrical output for select Audi and Porsche models. Designed with an internal fan and regulator, this alternator supports efficient charging and reliable engine starting performance.

• Voltage: 12V for standard automotive electrical systems
• Internal fan type for optimized cooling
• Clockwise rotation direction
• 6-groove pulley compatible with serpentine belts
• Durable aluminium housing for heat dissipation and strength
• Internal regulator for stable voltage control
• Amperage rating of 180A to meet high electrical demands
• Technical number: Fgn20s036

Detailed Features of the Valeo Alternator 439798

This alternator belongs to the Valeo oe family, ensuring original equipment quality and fitment. The internal fan design helps maintain optimal operating temperatures, reducing wear and extending service life. Its clockwise rotation and 6-groove pulley are specifically designed to match the serpentine belt systems found in compatible Audi and Porsche models. The aluminium housing provides a lightweight yet robust structure, enhancing durability under demanding conditions. With an internal voltage regulator, the alternator maintains consistent output, protecting your vehicle's electrical components.

Compatible Audi and Porsche Models

This Valeo Alternator 439798 is compatible with a range of Audi and Porsche vehicles, including Audi A4, A4 allroad, A4 Quattro, A5, A5 Quattro, A6, A6 Quattro, and allroad models, as well as Porsche Macan and Q5. It is designed to meet the specific electrical and mechanical requirements of these vehicles, ensuring proper fit and function.

Common Issues Addressed by This Alternator

• Failure to charge the battery properly
• Intermittent electrical system malfunctions
• Dimming or flickering headlights and dashboard lights
• Engine stalling due to electrical failure
• Unusual noises from the alternator pulley or bearings

Installation Notes and Tips

When installing the Valeo Alternator 439798, ensure the serpentine belt is properly aligned with the 6-groove pulley. Verify the clockwise rotation direction matches the vehicle’s specifications. It is recommended to inspect the battery and electrical connections for corrosion or damage before installation. Use appropriate torque settings for mounting bolts and confirm the internal regulator is compatible with the vehicle’s electrical system.

Quality Assurance and Warranty

Valeo Alternators are manufactured to meet original equipment standards, providing reliable performance and durability. This alternator is part of the Valeo oe family, reflecting strict quality control and engineering precision. Please refer to the product documentation or supplier for specific warranty details related to part number 439798.