Valeo 439070 Alternator

Overview of Valeo Alternator 439070 for BMW Models

The Valeo Alternator 439070 is designed to provide reliable electrical charging for select BMW vehicles. Engineered with a 14-volt output and an 80-amp amperage rating, this alternator supports the electrical demands of BMW 3 Series and 5 Series models, including the M3 and Z3.

• Voltage: 14V for consistent power delivery
• Amperage Rating: 80A to support vehicle electrical systems
• Internal fan type for efficient cooling
• Clockwise rotation direction
• 6-groove pulley compatible with serpentine belts
• Aluminium housing for durability and heat dissipation
• Internal regulator for stable voltage control
• Technical Number: A13vi132

Detailed Features of the Valeo Alternator 439070

This alternator features an internal fan that helps maintain optimal operating temperatures, enhancing longevity and performance. The clockwise rotation direction matches the original equipment specifications for BMW 323i, 325i, 328i, 525i, M3, and Z3 models. Its aluminium housing provides a lightweight yet robust structure, improving heat dissipation during operation. The 6-groove pulley is designed for serpentine belt systems, ensuring compatibility with the factory belt setup. An internal voltage regulator maintains consistent electrical output, protecting your vehicle’s battery and electrical components.

Valeo Alternator Product Line Information

The Valeo Alternator product line focuses on delivering original equipment (OE) quality components. This line is engineered to meet or exceed OEM specifications, ensuring proper fitment and reliable performance. The 439070 alternator is part of this OE family, designed specifically for BMW vehicles to maintain factory standards in electrical charging and starting systems.

Common Applications and Issues Addressed

• Replacement for failing or underperforming alternators in BMW 3 Series and 5 Series models
• Resolves battery charging problems and electrical system malfunctions
• Addresses issues with dimming headlights or electrical accessories
• Fixes irregular voltage output that can cause battery drain
• Eliminates noises or overheating related to alternator fan or pulley wear

Installation Notes and Tips

When installing the Valeo Alternator 439070, ensure the serpentine belt is properly aligned with the 6-groove pulley. Verify the clockwise rotation direction matches the vehicle’s original alternator. It is recommended to check the battery and electrical connections for corrosion or damage before installation. Use appropriate torque specifications for mounting bolts to avoid damage to the aluminium housing.

Quality Assurance and Warranty

Valeo alternators are manufactured to meet strict quality standards, ensuring durability and reliable performance. This alternator is part of the Valeo OE family, reflecting original equipment quality. While specific warranty details may vary, Valeo typically offers coverage against manufacturing defects to provide confidence in your purchase.