Valeo 439649 Alternator

Overview of Valeo Alternator 439649 for Mercedes-Benz Vehicles

The Valeo Alternator 439649 is designed to provide reliable electrical charging for select Mercedes-Benz models. Engineered with a 12-volt system and an internal fan, this alternator supports efficient power generation for your vehicle's electrical components.

• Voltage: 12V
• Fan Type: Internal
• Rotation Direction: Clockwise
• Pulley Groove Quantity: 6
• Housing Material: Aluminium
• Pulley Belt Type: Serpentine
• Regulator Type: Internal
• Amperage Rating: 180A
• Technical Number: Fgn18s016

Detailed Features and Specifications

This Valeo Alternator 439649 is part of the Valeo oe family, ensuring compatibility and quality consistent with original equipment standards. The aluminium housing offers durability and heat dissipation, while the internal fan design helps maintain optimal operating temperatures. With a clockwise rotation direction and a 6-groove serpentine pulley, this alternator is engineered to match the specific requirements of Mercedes-Benz models such as the G550, GL450, GL550, ML350, ML550, R350, and SLK350. The internal regulator simplifies installation and reduces the need for external components, and the 180-amp rating supports high electrical loads common in luxury vehicles.

Valeo Alternator Product Line Information

The Valeo Alternator product line focuses on delivering OE-quality electrical components designed to meet the rigorous demands of modern vehicles. This line emphasizes durability, precise fitment, and efficient power output, making it suitable for premium automotive brands like Mercedes-Benz. The Alternator line ensures that each unit, including part number 439649, adheres to strict manufacturing standards for reliable performance.

Common Applications and Problem Resolution

• Replaces faulty or worn alternators in Mercedes-Benz G550, GL450, GL550, ML350, ML550, R350, and SLK350 models
• Resolves battery charging issues and electrical system failures
• Addresses dimming or flickering headlights caused by insufficient alternator output
• Eliminates warning lights related to charging system malfunctions
• Prevents vehicle stalling due to inadequate electrical power supply

Installation Notes and Tips

When installing the Valeo Alternator 439649, ensure the serpentine belt is properly aligned with the 6-groove pulley to avoid premature wear. Verify the clockwise rotation direction matches the vehicle’s specifications. It is recommended to inspect the battery and electrical connections during installation to ensure optimal performance. 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, including part number 439649, are manufactured to meet original equipment standards, ensuring reliable operation and longevity. The aluminium housing and internal components undergo rigorous testing for durability and performance. Warranty coverage details should be confirmed with the supplier or manufacturer, as they may vary by region and distributor.