Valeo 439307 Alternator

Overview of Valeo Alternator 439307 for Mercedes-Benz CLK320 and E320

The Valeo Alternator 439307 is designed to provide reliable electrical charging performance for select Mercedes-Benz vehicles. Engineered with a 12-volt system and internal fan type, this alternator supports the electrical demands of the CLK320 and E320 models efficiently.

• Voltage: 12V
• Internal fan for optimized cooling
• Clockwise rotation direction
• 6-groove pulley compatible with serpentine belts
• Aluminium housing for durability and heat dissipation
• Internal regulator type for stable voltage output
• Amperage rating of 120A to meet vehicle electrical needs
• Technical number: Sg12b024

Detailed Features and Specifications

This Valeo Alternator 439307 belongs to the Valeo oe family, ensuring it meets original equipment standards for Mercedes-Benz vehicles. The internal fan design helps maintain optimal operating temperatures, while the aluminium housing provides strength and corrosion resistance. The clockwise rotation and 6-groove pulley are specifically designed to fit the serpentine belt system used in the Mercedes-Benz CLK320 and E320 models. With an amperage rating of 120 amps, this alternator supports the electrical system's demands, including battery charging and powering onboard electronics.

Valeo Alternator Product Line Information

The Valeo Alternator product line focuses on delivering OE-quality alternators that match the specifications and performance of original parts. This ensures compatibility and reliability for vehicles requiring precise electrical component replacements. The 439307 alternator is part of this line, designed to maintain the electrical integrity of Mercedes-Benz vehicles without compromising factory standards.

Common Applications and Problem Resolution

• Replacement for failing or underperforming alternators in Mercedes-Benz CLK320 and E320
• Resolves battery charging issues and electrical system malfunctions
• Addresses dimming headlights or electrical accessory failures
• Eliminates warning lights related to charging system faults
• Prevents vehicle stalling caused by insufficient electrical power

Installation Notes and Tips

When installing the Valeo Alternator 439307, 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 inspect the battery and electrical connections for corrosion or damage before installation. Proper torque specifications should be followed to secure the aluminium housing and mounting points.

Quality Assurance and Warranty

Valeo alternators are manufactured to meet OE standards, providing consistent performance and durability. The 439307 alternator undergoes rigorous testing to ensure reliable operation under various conditions. Warranty coverage details should be confirmed with the distributor or retailer, as they may vary by region.