Valeo 439393 Alternator

Reliable Valeo Alternator for Audi and Volkswagen Vehicles

The Valeo Alternator 439393 is engineered to provide consistent 12-volt electrical power for a range of Audi and Volkswagen models. Designed with durable aluminium housing and an internal fan, this alternator supports efficient engine operation and reliable battery charging.

• Voltage: 12V for standard automotive electrical systems
• Internal fan type for effective cooling
• Clockwise rotation direction
• 6-groove pulley for secure belt engagement
• Aluminium housing for lightweight durability
• Internal regulator for stable voltage output
• Amperage rating of 140A to meet vehicle power demands
• Technical number: Sg14b022

Detailed Features of the Valeo Alternator 439393

This alternator is part of the Valeo Alternator product line, known for integrating essential electrical components that meet OEM specifications. The internal fan design helps maintain optimal operating temperatures, while the aluminium housing reduces weight without compromising strength. The 6-groove pulley ensures compatibility with the serpentine belt systems found in many Audi and Volkswagen vehicles. With a 140-amp output, this alternator supports the electrical needs of models such as the Audi A3, A4, TT, and Volkswagen Passat, Jetta, Tiguan, and Beetle.

Compatible Vehicles and Applications

Compatible with various Audi and Volkswagen models, this alternator is suitable for:

• Audi A3 and A3 Quattro
• Audi A4 and A4 Quattro
• Audi TT and TT Quattro
• Volkswagen Beetle, CC, Eos, GTI
• Volkswagen Jetta, Passat, Tiguan, Tiguan Limited

Common Issues Addressed by Valeo Alternator 439393

• Battery not charging properly or draining quickly
• Dim or flickering headlights and dashboard lights
• Electrical system warning lights on the dashboard
• Unusual noises from the engine bay related to the charging system
• Vehicle stalling or difficulty starting due to insufficient power

Installation Notes and Tips

When installing the Valeo Alternator 439393, ensure the following:

• Verify clockwise rotation direction matches your vehicle’s requirements
• Confirm the 6-groove pulley aligns with the existing belt system
• Check electrical connections for corrosion or damage before installation
• Use proper torque specifications to secure mounting bolts
• Test the charging system after installation to confirm proper operation

Quality Assurance and Warranty

Valeo alternators are manufactured to meet strict quality standards, ensuring reliable performance and durability. This alternator features an internal voltage regulator and robust construction to maintain consistent output. Please refer to Valeo’s warranty policy for specific coverage details related to part number 439393.