Valeo 439717 Alternator

Overview of Valeo Alternator 439717 for Mercedes-Benz C350 and E350

The Valeo Alternator 439717 is designed specifically for Mercedes-Benz C350 and E350 models, providing reliable 12-volt electrical charging performance. Engineered with an internal fan and regulator, this alternator supports efficient power generation and vehicle electrical system stability.

• Voltage: 12V for standard automotive electrical systems
• Internal fan type for optimized cooling
• Clockwise rotation direction
• 6-groove pulley compatible with serpentine belts
• Aluminium housing for durability and heat dissipation
• Internal regulator for consistent voltage control
• Amperage rating of 180A to meet high electrical demands
• Technical number: Fgn18s046

Valeo Alternator Product Line Details

The Valeo Alternator product line focuses on original equipment (OE) quality components designed to meet or exceed manufacturer specifications. This alternator belongs to the Valeo OE family, ensuring compatibility and performance aligned with Mercedes-Benz factory standards. The use of aluminium housing and internal components reflects Valeo's commitment to durability and efficient operation within the Alternator line.

Technical Description and Features

This alternator features a 12-volt electrical system with a 180-amp output, suitable for the electrical load requirements of Mercedes-Benz C350 and E350 vehicles. The internal fan design enhances cooling efficiency, reducing the risk of overheating during operation. Its clockwise rotation and 6-groove pulley are compatible with serpentine belt systems commonly found in these models. The aluminium housing provides a lightweight yet robust structure, improving heat dissipation and longevity. An internal voltage regulator maintains stable electrical output, protecting vehicle electronics from voltage fluctuations.

Common Applications and Problem Resolution

• Replacement for failing or underperforming alternators in Mercedes-Benz C350 and E350
• 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 439717, 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. Use appropriate torque specifications for mounting bolts to avoid damage to the aluminium housing. Testing the charging system after installation will confirm proper operation.

Quality Assurance and Warranty

Valeo alternators are manufactured to meet stringent OE standards, ensuring reliable performance and durability. This alternator is part of the Valeo OE family, reflecting consistent quality control and engineering precision. While specific warranty details are not provided here, Valeo products typically come with manufacturer-backed warranties covering defects in materials and workmanship.